Replace lcd screen or motherboard?? Maybe? Maybe not?? - myTouch 4G Q&A, Help & Troubleshooting

Ok this one goes out to all you cool smart guys out there. I currently have two mt4g's. One is working perfectly fine with the "bad screen", as they call it, and the other is bricked, or no it has a failed pu is what someone told me, but it has the "good screen".
Anyway while just minding my own business on the internet one day I came across a video which shows you how to replace a lcd screen in a mytouch 4G! I was hooked. I could do this I said, it looked so easy! Sure you need some patience, which I got btw. So I was determined to do this, even ordered the tools from repairsuniverse. So about the fourth time watching the tutorial I began to wonder if it would be possible to just swap motherboards instead of disassembling all the way to the screen. Mostly because I still need a heat gun so i could remove the digitized then lcd screen.
So i guess my question is will swapping motherboards solve the pu problem in the mytouch with the good screen? And while I got you here has anyone ever replaced there lcd screen?? Is it worth it??
Sent from my HTC Glacier using XDA Premium App

Yes, if you put the good motherboard in the case with good LCD, you'll get one good phone.

Thanks for the response! This will make the job so much easier

repair options
sorry to piggyback you post but i had a similar question....
a friend of mine is giving me their broken mytouch 4g. it was working perfect but then she dropped it on her kitchen tile (bottom right corner hit i'm told) and now it will not turn on at all.....no cracks or anything, just a scratch in the corner. she says she tried a new battery and tried plugging into AC but no lights, nothing.
i've taken apart enough phones so once I get it i'm not afraid to do some swapping of parts.
my question is, those of you who have worked on this model, any indication where you think would be the problem? i'm hoping the lcd/digitizer is fine since its not cracked but we'll see....and i figured maybe i would just need to do a motherboard swap worst case? is there any other components you think could be shot after the drop? from what i've been able to find its just the 1 main mother board , correct? (meaning there is not 2 parts)
thought MAYBE i'll get lucky after opening it up, and verifying all the cables that possible some cables got jarred loose and thats why it wont respond but not holding my breathe on that.
thanks for the help!

Related

HTC G1 Screen cracked (digitizer) - G1 Parts order

Hi,
I'm new to this forum so i'd like to say hello to everybody first
I have a g1 with the screen cracked. When I say the screen is cracked I mean that upper glass area; The lcd does not seem to be cracked in any way so there is no bleeding at all. Touch still works very well even in the cracked area.
I seem to have come across only 1 ebay auction that was selling a digitizer and everywere is absurdly expensive to buy. Any ideas where i can find one ? At 189$ i'm half way to buying a new phone tbh.
Also I saw in this forum that some people had the same problem and people told them that they would need to replace both lcd AND digitizer, however i clearly saw in the htc dream service manual that they are two separate parts with separate part numbers. Is there some particular reason for this ?
Just to clarify, can any tell me the order in which components are placed in the htc g1 ? Im assuming they are as follows:
Touch Screen Digitizer
LCD Screen
cover and hinge
in that order..Am I right in my assumption ?
Thanks,
Mewt
Bump. I would like to know as well.
Check it out:
This listing just got put up on eBay today. This guy has 50 digitizers for sale:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWAX:IT&item=230336383436
If you are sure the LCD is intact, you should just buy the Digitizer. The LCD can easily be seen by opening up the phone.
http://cgi.ebay.com/HTC-T-MOBILE-GO...5|66:2|65:12|39:1|240:1318|301:1|293:1|294:50
I can confirm you can replace the digitizer WITHOUT replacing the lcd.
I just did it. A car ran over my G1 a while ago and I've been lurking on ebay ever since waiting for digitizers to be listed. With a new digitizer, a Torx screwdriver and about an hour I have just replaced the broken one and the new one works perfectly.
Of course that also means I now have a spare G1 since I bought another one in case I couldn't get a replacement.
I will be doing the same shortly.
Actually this is the best price I have found on a digitizer
http://www.perfectesell.com/gog1glscdico.html
Any tips on replacing the part? Does the phone have to come completely apart?
I can't buy from that buyer as he doesn't ship to Malta but thanks, now I know what I need to look for and will be doing so. Hope I can get my g1 working well again...I just hate trying to read messages with cracks in them
Thanks all for your replies
Its quite fiddly but as long as you have the manual you should be okay.
There's a few things tho. Page 23 doesn't really show you how to disconnect the camera very well. On the underside of the main board there is a connector like the one for the screen. It is released by flipping the paddle lever think 90 degrees down. Otherwise the camera connector gets pulled out when you remove the mainboard.
It should go without saying you don't need to disassemble the bottom "chin" part when you remove it. Oh and page 24 has an error, those aren't the 2 screws you need to remove, its 2 long ones, one is in the top right of that picture on page 24 the other is to the right of the one circled.
Mr_dev said:
Its quite fiddly but as long as you have the manual you should be okay.
There's a few things tho. Page 23 doesn't really show you how to disconnect the camera very well. On the underside of the main board there is a connector like the one for the screen. It is released by flipping the paddle lever think 90 degrees down. Otherwise the camera connector gets pulled out when you remove the mainboard.
It should go without saying you don't need to disassemble the bottom "chin" part when you remove it. Oh and page 24 has an error, those aren't the 2 screws you need to remove, its 2 long ones, one is in the top right of that picture on page 24 the other is to the right of the one circled.
Click to expand...
Click to collapse
hey would you say the average person would be able to change the digitizer or do you have to be a handy man.. taking anybodys replys ONLY if you''ve done it
Well I guess I am the average person but then I've taken many a pc and laptop apart and put it back together again so maybe not...
There's nothing that requires great skill in it. As long as you're gentle, patient and careful (taking apart a G1 is like making love to a beautiful woman...). Keep track of what screws came from where and don't try and force anything.
Remember you need some torx head screwdrivers. but you can get these on ebay for very little.
I have to admit I feel a bit smug when I see forum posts from people who advise you sent it back to T-Mo and pay a $100+ excess for them to do it. As if!
Ah, my screen is just gently scratched, but it's annoying sometimes. I might look at into this if it gets any worse.
Just looking at the back of the screen when the G1 is open, it looks like I'd have to take the whole phone apart...are there guides I can look at?
Here is some sites that helped me out.
This is an easy to ready explanation to what you are looking at.
http://www.phonewreck.com/wiki/index.php?title=T-Mobile_G1
This is where I found the service manual a while back
http://www.intomobile.com/2008/12/18/dissect-your-t-mobile-g1-with-the-htc-dream-service-manual.html
This was where you can find the digitizer. (I dunno which one it is... but I think its the clearpad) only thing I could not find a match on part numbers anywhere
http://www.synaptics.com/solutions/products
And this is the address and Houston local number for HTC America. (i didnt check the number so i'm 72.34763% sure its right(just do a little social engineering to get to where you need to be.) )
http://maps.google.com/maps?hl=en&i...-95.551229&spn=0.009187,0.015986&z=16&iwloc=A
same boat here. cracked digitizer. seems like the g1 is the only phone, for which you can't buy one.
Mr_dev said:
Well I guess I am the average person but then I've taken many a pc and laptop apart and put it back together again so maybe not...
There's nothing that requires great skill in it. As long as you're gentle, patient and careful (taking apart a G1 is like making love to a beautiful woman...). Keep track of what screws came from where and don't try and force anything.
Remember you need some torx head screwdrivers. but you can get these on ebay for very little.
I have to admit I feel a bit smug when I see forum posts from people who advise you sent it back to T-Mo and pay a $100+ excess for them to do it. As if!
Click to expand...
Click to collapse
hey i have a question i replace my digitizer but now the bottom part of the touch screen... closest to the menu button doesnt work. what do you think can be wrong
Pull it apart again using the service guide section 2.2.3 and make sure all connections have complete contact. If something is not sitting right the circuit may not be ringing out correctly. Once you have gone through all the steps 2.3.2(lcm assembly) and everything looks connected properly, assemble, reboot and test. If it is not fixed you may have a bad digitizer I'm hoping for the fact that most of your screen is working its just a connection problem.
Mr_dev said:
Its quite fiddly but as long as you have the manual you should be okay.
There's a few things tho. Page 23 doesn't really show you how to disconnect the camera very well. On the underside of the main board there is a connector like the one for the screen. It is released by flipping the paddle lever think 90 degrees down. Otherwise the camera connector gets pulled out when you remove the mainboard.
It should go without saying you don't need to disassemble the bottom "chin" part when you remove it. Oh and page 24 has an error, those aren't the 2 screws you need to remove, its 2 long ones, one is in the top right of that picture on page 24 the other is to the right of the one circled.
Click to expand...
Click to collapse
When you reassembled what did you do about the tape and gaskets? Were you able to buy new or did you use something else? Thanks!
Matt
s02mike said:
Here is some sites that helped me out.
This is an easy to ready explanation to what you are looking at.
http://www.phonewreck.com/wiki/index.php?title=T-Mobile_G1
This is where I found the service manual a while back
http://www.intomobile.com/2008/12/18/dissect-your-t-mobile-g1-with-the-htc-dream-service-manual.html
This was where you can find the digitizer. (I dunno which one it is... but I think its the clearpad) only thing I could not find a match on part numbers anywhere
http://www.synaptics.com/solutions/products
And this is the address and Houston local number for HTC America. (i didnt check the number so i'm 72.34763% sure its right(just do a little social engineering to get to where you need to be.) )
http://maps.google.com/maps?hl=en&i...-95.551229&spn=0.009187,0.015986&z=16&iwloc=A
Click to expand...
Click to collapse
i'm willing to try replacing it myself as well and i was wondering how much your purchased your new digitizer for. would the one suggested earlier at this link: http://www.perfectesell.com/gog1glscdico.html be good? it seems a lot cheaper than other ones and i dont want to buy a faulty and cheap one that may not work as well or break. any other tips would be GREATLY appreciated. TIA!
Here's the correct page on the Perfectesell site:
http://www.perfectesell.com/htcgog1glscd.html
Same price ($65) as the ebay auction that ended.
I dunno what that $12.95 thing was... price doesn't seem right for glass, touch sensing wizardry
mattcairns said:
When you reassembled what did you do about the tape and gaskets? Were you able to buy new or did you use something else? Thanks!
Matt
Click to expand...
Click to collapse
Some of the gaskets i didnt fully remove so i just place em down... and some of the tape i didnt reuse.
bloob9 said:
i'm willing to try replacing it myself as well and i was wondering how much your purchased your new digitizer for. would the one suggested earlier at this link: http://www.perfectesell.com/gog1glscdico.html be good? it seems a lot cheaper than other ones and i dont want to buy a faulty and cheap one that may not work as well or break. any other tips would be GREATLY appreciated. TIA!
Click to expand...
Click to collapse
I bought my digitizer on ebay for about 25 dollars i think. then i bought the screwdrive kit for 7 dollars also
s02mike said:
Pull it apart again using the service guide section 2.2.3 and make sure all connections have complete contact. If something is not sitting right the circuit may not be ringing out correctly. Once you have gone through all the steps 2.3.2(lcm assembly) and everything looks connected properly, assemble, reboot and test. If it is not fixed you may have a bad digitizer I'm hoping for the fact that most of your screen is working its just a connection problem.
Click to expand...
Click to collapse
thanx i took it apart again and that fixed it... i have 2 more problems 1 major 1 not. i dont know but i normally got 3g service in my house and now i dont what could b the problem.
second is that the screen doesnt swivel smoothy as before

Grey Screen (NO REACTION) - Please help me out guys

Hey guys...
So, I have my Desire Z since about 4 weeks and nothing went wrong with it.
Really NOTHING bad happened, it didn't fall on the floor, didn't fall into water, etc etc.
So this afternoon I unlocked it and suddenly I got a blank grey screen.(worked perfect in the morning) The phone did react to my power up/on button, but I couldn't see what I was doing. Also the touchscreen worked, because I could unlock it (I heard the unlock noise) but I only get a blank grey screen.
I tried Bootloader and Battery pull. Also I took out my SD/SIM/Battery and just blow through the whole phone but nothing want to happen:-(
By the way, my phone is fully rooted and running on Cyanogenmod7 since 5 days. Everything worked perfect until this afternoon...
EDIT:
Looks just like this http://i51.photobucket.com/albums/f368/forthcomingtangent/DSCI1196.jpg
C'mon guys:-(
So is it grey from bootup till it gets to the rom or can you see your boot splash screen and whatnot?
HAK Devil said:
So is it grey from bootup till it gets to the rom or can you see your boot splash screen and whatnot?
Click to expand...
Click to collapse
Yes, when I boot it up it's grey, I notice that it's still working because I get the bootup noise. So I can see nothing. But what I noticed is that the grey screen gets a kinda bluegrey screen while the cyanogenmod7 boot animation(the loop)
Sounds like a hardware issue to me, I'd send it in for warranty if I could. Plus, with your screen being the issue I doubt they would check for something like S-off or anything like that
sounds to me like the ribbon cable for the screen has either broken or not placed in its socket properly, does it make a difference when the keyboard is open? try opening it and closing it a few times... watch the screen. otherwise it could be a fault with the screen board or the screen itself
i would try and claim off warrenty or insurance
No it does no difference when the keybaord is open:-(
Problem at the whole thing is, that I have no warranty because I bought it at amazon.com
you either have to see how much htc will charge to repair it, or take it apart yourself and just check the cables... if any are loose then refit them... or buy a new screen, vga board and ribbon cable and fit it
How much would the last option cost?
And how much do you guys think HTC will chare to repair it?
http://cgi.ebay.co.uk/OEM-SLIDE-FLE...944?pt=LH_DefaultDomain_0&hash=item2a10708cb8
something like that if its the ribbon cable.... but that gives you the whole kit
http://cgi.ebay.co.uk/Touch-Screen-...K_Replacement_Parts_Tools&hash=item2a0fd454a5
thats the digitizer but i dont think youll need that but just in case
http://cgi.ebay.co.uk/NEW-GENUINE-H...K_Replacement_Parts_Tools&hash=item2eb3f529d0
thats the screen
but in fairness your better off taking it to a repair shop and getting a price... if you havnt got a warrenty then you dont have to worry about loosing one
Wow thanks, you're really helping me.
So I found a warranty document, since I bought it over amazon.com from another seller(mobilejoker) and it says that they'll repair me my device if it is defect and not my fault. But they also charge 40$ if it's an obvious damage made by myself. Well, I don't know, it wasn't my fault right? I mean it's not like it dropped in water or fell on the floor.
looks to me like its the ribbon cable or the vga board for the screen, as long as you havnt dropped it in liquid, on the ground or opened it up then it cant be your fault... id go with the warrenty first before you open it up
Hit the thanks button please matey
Done
And thanks again for your help.
alrite glad i could help, if you get stuck or if the warrenty doesnt work come back
hey guys I'm having a very similar issue on my phone, I bought a screen on ebay from a USA seller, as well as a flex cable cus both were damaged in my phone. I've got both of those installed and the phone boots up, gives off noises and vibrates like his did, but no video. Backlight lights up, but just black. I've been googling a lot and apparently the grey screen is just a precursor to what I have. Where exactly is the VGA board? is it on the main logic board? does it need a reflow like some laptop chipsets?
Hey guys I just thought I give you a quick update.
So I got my device back, it's working perfect and I didn't have to pay anything for it.
I'm just a bit confused, because my phone now is totally unrooted, and I always thought that root hurts your warranty.
Anyways, thanks for your help!!
whitis said:
Hey guys I just thought I give you a quick update.
So I got my device back, it's working perfect and I didn't have to pay anything for it.
I'm just a bit confused, because my phone now is totally unrooted, and I always thought that root hurts your warranty.
Anyways, thanks for your help!!
Click to expand...
Click to collapse
Either they gave you a new phone or...
They replaced the screen (or samaged parts) and wiped or perhaps upgraded to newest stock.
Do you still have all your info and apps that were previously on it?
What version of android does it show in about, and which hboot do you have now?
Sent from my T-Mobile G2 using XDA Premium App
Well it's just like it was when I bought it, 2.2.1, only google apps, had to configure sim again no sms, etc.. But my phone is definitely now new because there are my scratches on the back of the phone.
whitis said:
Well it's just like it was when I bought it, 2.2.1, only google apps, had to configure sim again no sms, etc.. But my phone is definitely now new because there are my scratches on the back of the phone.
Click to expand...
Click to collapse
I didn't quite understand your reply, lol sry, but I did see one big clue....2.2.1. Which means you should have no problems rooting again.
Sent from my HTC Vision using XDA Premium App
I don't have any problems with rooting again, I was just saying that I was confused that I got my device repaired for free, although they unrooted my phone.

[Q] just purchased a g2 for $30. screen doesnt turn on

The phone definitely boots up because the lights on the buttons flash on then turn off after some time. The keyboard also lights up. You can tell the backlight turns on on the screen, but there is no picture.
Anyone have any idea about what I should do? Thinking about trying to restore to a stock Tom somehow tonight. Then I'm thinking about looking for screen replacements.
I was curious if anyone has had this issue before.
Update 07/14/11
So I got the screen and switched the old one out for the new one. This one also only has the backlight turning on, but I noticed when I put a part back on, there was a little bump in the middle of the phone. Haven't had a chance to fix it, but I noticed it's a piece hitting this rubber piece that seems to "transport" the sound for the mic from the bottom of the phone to the actual microphone module within the phone.
Removed that rubber piece, and I'll try installing it later. I was getting some blue and red visible in the middle of the phone. Anyone know what's wrong?
albanianbrotha said:
The phone definitely boots up because the lights on the buttons flash on then turn off after some time. The keyboard also lights up. You can tell the backlight turns on on the screen, but there is no picture.
Anyone have any idea about what I should do? Thinking about trying to restore to a stock Tom somehow tonight. Then I'm thinking about looking for screen replacements.
I was curious if anyone has had this issue before.
Click to expand...
Click to collapse
ebay for the parts and look around for the link for repairs. I don't exactly remember the link, but it's in one of the "spring replacement" threads. Good luck
mputtr said:
ebay for the parts and look around for the link for repairs. I don't exactly remember the link, but it's in one of the "spring replacement" threads. Good luck
Click to expand...
Click to collapse
How sure are you it's the LCD screen? Replacement screens cost more than what I bought the phone for...lol
it's mostly the physical connection to the screen.
and on your note about it costing more than what you bought the phone for... there are tons of parts on the phone that will cost more than 30bucks. not much you can do about that since you got it non fully functional.
mputtr said:
it's mostly the physical connection to the screen.
and on your note about it costing more than what you bought the phone for... there are tons of parts on the phone that will cost more than 30bucks. not much you can do about that since you got it non fully functional.
Click to expand...
Click to collapse
Sorry to be a both, but what exactly is the physical connection? Do I find it by opening the phone up completely to the point where I replace the actual LCD?
albanianbrotha said:
Sorry to be a both, but what exactly is the physical connection? Do I find it by opening the phone up completely to the point where I replace the actual LCD?
Click to expand...
Click to collapse
Never had to do it myself, but there is a cable connecting the two parts of the phone. That is usually where this problem originates from. It's not easy to fix though if your not familiar with fixing electronics from what i have seen.
xsteven77x said:
Never had to do it myself, but there is a cable connecting the two parts of the phone. That is usually where this problem originates from. It's not easy to fix though if your not familiar with fixing electronics from what i have seen.
Click to expand...
Click to collapse
I've taken apart my laptop completely and put it back together before. Completely as in taking the lcd off and different chips and wireless modules and stuff. I think it may be something I can handle. I'm going to take a look at it now. Restoring wont do me any good because not even the boot screen shows up.
albanianbrotha said:
Sorry to be a both, but what exactly is the physical connection? Do I find it by opening the phone up completely to the point where I replace the actual LCD?
Click to expand...
Click to collapse
It's pretty much a ribbon cable that feeds data to display and stuff. When you buy a spare screen, it usually comes with a connector
Sent from my Desire Z via XDA App
mputtr said:
It's pretty much a ribbon cable that feeds data to display and stuff. When you buy a spare screen, it usually comes with a connector
Sent from my Desire Z via XDA App
Click to expand...
Click to collapse
So I completely tore apart the phone, got to the point where if I had another LCD screen, I could have easily switched it out. But I don't, so I just put it all back together. I really hope this new LCD will fix the issue. I really hope it's not some other motherboard issue. If all else fails, it goes up on eBay for $70-$100 as is for the phone. If I fix it, I just got myself a phone that goes for $200 used for only $57.
sure. goodluck with it. if you can do it then you're all set. good luck
albanianbrotha said:
So I completely tore apart the phone, got to the point where if I had another LCD screen, I could have easily switched it out. But I don't, so I just put it all back together. I really hope this new LCD will fix the issue. I really hope it's not some other motherboard issue. If all else fails, it goes up on eBay for $70-$100 as is for the phone. If I fix it, I just got myself a phone that goes for $200 used for only $57.
Click to expand...
Click to collapse
Only $57? That would make the lcd screen $27 if u really paid $30 for the phone, but you said the screen was more than what u paid for the phone...so now im confused.
Sent from my HTC Vision using XDA Premium App
Got my fingers crossed for ya that your getting ur phone fixed over there
Sent from my HTC Vision using XDA Premium App
ptesmoke said:
Only $57? That would make the lcd screen $27 if u really paid $30 for the phone, but you said the screen was more than what u paid for the phone...so now im confused.
Sent from my HTC Vision using XDA Premium App
Click to expand...
Click to collapse
Sorry. After some searching on eBay, I found some sellers selling it for a few dollars less than 30, e.g. 27.
But I decided to go with a seller who sold more than 200, who claims the screen is an OEM screen, and who is top rated. He sells his for $32. Which makes my phone $62 after all is said and done.
The housing has some scratches on the top and bottom though, which decreases the value a bit, but hey, if it works I'll probably keep it as a backup. Currently have the HD2, but I got a Vibrant with original box and accessories for $100, so I think I'm going to sell the HD2.
That was kinda off topic, sorry
LCD screen should be here by the 13th.
Updated OP
someone help =|
I don't own a G2 but I still think this could be a similar issue to what we get over here on the HTC Droid Incredible. First, what makes you believe its still a screen issue if it lit but just didn't throw picture? Usually thats the symptom of having the wrong recovery version for the device hardware version. Normally for us what happens is we will get somebody who is new and rooting for the first time and they'll end up flashing the wrong recovery or freak out because they don't realize the root process takes a little while and yank the cord. End result being exactly what you've explained above. Phone starts but no screen. So we end up having them do the ruu or a second option which we call a "blind install" where you drop whatever your p file(ours is PB31IMG.zip) so whatever it is for the G2 drop that on the SD and reboot to hboot and do the update process by simply knowing how long to wait between key presses and what keys to hit without useing the screen. Its a unique process and all very magical. Haven't lost a single Inc yet because of this issue.
Anyways bud just a thought...
wildstang83 said:
I don't own a G2 but I still think this could be a similar issue to what we get over here on the HTC Droid Incredible. First, what makes you believe its still a screen issue if it lit but just didn't throw picture? Usually thats the symptom of having the wrong recovery version for the device hardware version. Normally for us what happens is we will get somebody who is new and rooting for the first time and they'll end up flashing the wrong recovery or freak out because they don't realize the root process takes a little while and yank the cord. End result being exactly what you've explained above. Phone starts but no screen. So we end up having them do the ruu or a second option which we call a "blind install" where you drop whatever your p file(ours is PB31IMG.zip) so whatever it is for the G2 drop that on the SD and reboot to hboot and do the update process by simply knowing how long to wait between key presses and what keys to hit without useing the screen. Its a unique process and all very magical. Haven't lost a single Inc yet because of this issue.
Anyways bud just a thought...
Click to expand...
Click to collapse
It doesn't seem to be a ROM issue.
Update 7/18: Sold the G2 on eBay and still made a good lump of money. I was very happy, until another G2 popped up with the same exact issue. Got it for a steal as well, and I tried the OEM screen I got from eBay, and it was still having issues, and it seems to cause the phone to overheat while charging. Definitely a defective screen and someones getting a great deal on a decent condition G2 because I already took the payment after I figured it was the screen I got.
I'm going to try to get a replacement from the guy that sold it to me on eBay, but I already left him positive feedback thinking it was the phone's fault.
Will update probably late July or early August when all of this gets sorted out.
TL;DR: bought 2nd g2 with same issue, turns out replacement screen didn't work in the 2nd g2, too late to not sell the first g2, getting another replacement screen to fix 2nd g2. First g2 was in better condition though =|
SWEEEEEEEEEEEEEEEEEEEEEEEEEEEET
Just installed the second screen that I ordered, and it works PERFECTLY. Phone is perfect nowwww yay. I can't use it right now though, previous owned put a lock pattern on the phone...
Wipe the system and the data and start over.
Sent from my HTC Vision using XDA Premium App
Gratz now a factory wipe and root with a new rom will make it run sweet.
Sent from my Desire Z via XDA App

MyTouch 3G slide screen not working

Hey guys, I have had this phone since August of 2010 and personally its really nostalgic, in all reality I prefer it over my Galaxy S, Especially for the Slideout keyboard and seems to have better ROM support :/ But around November 2011 the screen would spaz out not respond and just not turn on. Sometimes it would but so dark it was nearly impossible to see it. I'm not sure if the screen is dead I haven't used it since November when I got my Galaxy S. If the screen is dead, is there any type of repair service? or a way to buy a top half for the screen and replace it?
Look on Ebay, there are lots of these phones for cheap.
Sent from my T-Mobile myTouch 3G Slide using xda premium
Sounds like a loose connection on the cable for the screen. I had the same problem with mine. I'm still using this phone now. Free fix if you can figure out how to take the phone apart & basically unplug & re-plug. Be super careful though! And of course it could be a different problem.
You can buy a new one very cheap in amazon or ebay i dont think it worth to repair
Not sure it's the right place to post this, I replaced the digitizer in my old MT3GS (cracked in my pocket), and ever since, Ive have the screen-spazzing issue as well - wasn't my first time replacing a screen, either. For me, the solution _every time_ has been hit the power button to lock the screen, hit it again to get back to what I was doing... Never had to totally power down to fix the spaz :\
If it'd interest you at all, I'd be willing to send you the phone, charger brick, (and the metal case if I can find the damn thing) for $50+ship - thats what I paid for the new digitizer... If you have better troubleshooting skills than I do, good on you, because I've torn this one down and put back together again at least 2 or 3 times since replacing the digitizer, and can't find a single loose connection - maybe you'll have better luck than me?
Thanks
L4T
I called a repair shop I found on craigslist and they mentioned it's more than likely the flex cable, not the lcd screen or glass digitizer. These phones' cables go through lots of wear due to the sliding mechanism. They gave me a 70 dollar estimate, so I just don't slide my phone out anymore to prevent the screen from spazzing out or blacking out for good (it happened to a friend of mine's MTS3g). I've also seen the cable for sale online on ebay or repairsuniverse but I'd rather wait for my full upgrade than invest in it AND risk not fixing it.
I really wanna use this phone again, the slide mechanism is so worn on it you can feel it its kinda tough to do its not springy like it was outta the box, also on ebay these phones still run close to 200 dollars, I would take it apart, as its out of warranty anyways, but I don't have the proper tools to do so, like the mini philips head and the tiny socket wrench. And I hear it is most likely the flex cable but as I said I can't access it.

HTC HD2 dissasemble help!

My screen of my HD2 had a pixel fault, it had a purple circle on the middle of the screen, so I decided to dissasemble it.
Well, the phone inside is very confusing, I looked at the screen part and I couldn't see anything.
I re assembled it, and it won't power on now.
Is a phone so sensible when I touch it inside its gonna die?
I successfuly changed the digitizer of my Wildfire S so I thought the HD2 wouldn't be a problem.
Is a phone so sensible when I touch it inside is the chance to kill the phone 90% or what?
I need quick answers.
Thanks!
Sent from my home using my fingers
Hd2 is delicate & not easy to dismantle without experience & extreme care.
Most first time strip-downs by people with little or no experience result in problems like yours.
Check out the threads on dismantling guides & also videos can be found on youtube.
Check all connectors to mainboard are inserted correctly & also check basics such as battery pins are straight & not misaligned during dismantling/rebuild.
Initial screen issue sounds like lcd/digitizer needs replacing.
The very tiny camera holder on the Main Board broke, its Not a important thing its Theres thereby the camera stays at place.
While taking off the screen i accidenty broke the screen BUT ITS ALMOST INVISIBLE.
I lost some screews and the chassis won't fit in the houses.
I was going to fast cause I'm 14 and my parents didn't allow me and I didnt want them to see it.
But problem is, i lost the cable adapter for the phone vibrator (LOL)
And i lost the board screews so I used the screews of the phone case.
Where can I get new screews?
Sent from my HTC Wildfire S A510e using xda app-developers app

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