I got a htc 8525. i can see everything perfect excepct the fact that the lcd screen doesn't light up. so basically im looking like a owl trying to read text n whatnot. Any ideas?
Had the same problem, replaced the flywheel when repairing my hermes, IT WAS THAT!!!!!
I couldnt tell you why it caused the problem but it did. Used the mainboard of 2 Hermes to test and it WAS the scrollwheel that caused the no backlight problem. Was kinda relieved as the mainboard in my old jasjam was bloody brilliant and quick, the new one was kinda slow. So, back to the old mainboard.....YAY....
Cheers....
i can confirm this - got my hermes in pieces in front of me, trying to fix the white screen / dead d-pad problem. did a power-up test while it's still in pieces and forgot to re-attach the scroll wheel, backlight didn't come up. searched and found this thread, tested again with the scroll wheel in place, and it works fine.
I have the same problem with the screen, it doesn't light up. It is working fine except the back light. This happened after i dropped my hermes and since then no back light on the screen. The flash also doesn't work when i lunch the camera. It only blinks on start and then nothing. After reading the post i removed the scroll well and turned on the device but again no light. Should the screen work without the scroll well? Any ideas??
It won't work without the scroll wheel board removerd, it HAS to be replaced with a working one.
You need to find a working scroll wheel board.
Cheers...
Thanks for your answer. After reading the post i kept trying to find a solution since i knew what the problem was. Finally i used a spray to clean the contacts on the motherboard and the scroll wheel and all other contacts on the motherboard. Then re attached everything in place and the screen now works just fine. Thanks again!
Related
Alright, this problem is a bit different than what I have seen. The screen goes to white when the phone is closed, meaning the keyboard is not slid out. I tried the put a plastic piece under the D-pad trick, still a no go. Now whats weird is if you slide the keyboard open, everything works perfectly fine, the screen acts normal, but as soon as I slid the keyboard closed, the screen fades to white. If I slide it open again, it works normally without even having to do a hard reset. This time it seems to be the LCD since I tried it in another phone, and the same problem happened, so is does anyone know what part of the LCD would need to be fixed? Is the solder on the ribbon going from the digitizer to the LCD loose or is it something that I can't fix at all?
OK another thing I've found out is that it only happens with the AT&T WM6, when I have WM5 on the phone, the problem does not occur at all. If I turn the phone on in bootloader mode, the problem is not there at all either....anyone have any idea what it could be?
Tried LCD
LCD is not the issue I have replaced it. Still have white screen...
I'm thinking it might be the flex cable..
Timleary25
This isn't inconsistent with some of the other things I have read on this issue at all. You're saying you haven't read about it occurring in conjunction with sliding the keyboard in/out but others have definitely noted that this causes it to happen for them.
So I would look at fixing it the same way -- troubleshooting the d-pad cable. If you have already tried this, then double-check that what you changed hasn't fallen apart and also make sure you did exactly what others have said to try.
Hi all, my Trinity's hardware buttons doesn't work.
The 2 softkey hardware buttons, the red and the green button, the ok button and the Start button seems to be broken also if they have backlight. All the others buttons are ok.
I've tried to softreset, hardreset and flash the ROM (I'm using last Ervius ROM). After flashing for the first time the buttons were ok for a littewhile but now they seems to be broken again even after several flash. I've also tried to downgrade to wm5 but nothing change. I think that is an hardware issue and I'm going to try to fix it by opening my Trinity hoping that is just a flat connector pluged out but if someone else has experienced the same problem and has to suggest me something is really welcome.
Campo said:
Hi all, my Trinity's hardware buttons doesn't work.
The 2 softkey hardware buttons, the red and the green button, the ok button and the Start button seems to be broken also if they have backlight. All the others buttons are ok.
I've tried to softreset, hardreset and flash the ROM (I'm using last Ervius ROM). After flashing for the first time the buttons were ok for a littewhile but now they seems to be broken again even after several flash. I've also tried to downgrade to wm5 but nothing change. I think that is an hardware issue and I'm going to try to fix it by opening my Trinity hoping that is just a flat connector pluged out but if someone else has experienced the same problem and has to suggest me something is really welcome.
Click to expand...
Click to collapse
I experienced this myself, and replaced this item:
http://cnn.cn/shop/p3600dopod-d810-keypad-p-1825.html
HPN
keys are stuck
Mine also, but solved it after a couple of days (temporarily). The hardware buttons problem seems to be related with one of the keys stuck. If one of those keys is stuck none of the others work. I tried "fast" double clicking on one key at a time to unstuck and it worked for me. Mine has been working for two weeks with no problem. Anyway I ordered that part "just in case".
So before opening your trinity try to unstuck the keys. It seems to be related with humidity conditions and carrying the phone in the pocket (just a guess).
hpn said:
I experienced this myself, and replaced this item:
http://cnn.cn/shop/p3600dopod-d810-keypad-p-1825.html
HPN
Click to expand...
Click to collapse
Thanks !
n0t said:
Mine also, but solved it after a couple of days (temporarily). The hardware buttons problem seems to be related with one of the keys stuck. If one of those keys is stuck none of the others work. I tried "fast" double clicking on one key at a time to unstuck and it worked for me. Mine has been working for two weeks with no problem. Anyway I ordered that part "just in case".
So before opening your trinity try to unstuck the keys. It seems to be related with humidity conditions and carrying the phone in the pocket (just a guess).
Click to expand...
Click to collapse
I'm going to try this becouse during the last 4 days sometimes the buttons work so.... thanks!
Ok, nothing work.
I've also tried to open the device but looking behind the buttons pad fortunally/unfortunally there isn't an evident hardware problem.
The only solution is to replace the pad.
Hi to all.
I have had buttons not working on my trinity for some time. was tempted to send it back for repair but i did not want to be without my phone and did not want to have to stick the old wm5 rom back on!!
I took my trinity apart too see if i could see anything wrong. and got it down to the keypad. one thing i did notice is that there was a lot of dust. also around the small disks that provide the buttons, there are 3 small holes in the sealing sheet. seems that the construction of the switch array is circuit board at the bottom, with small tin disks on top, all held in place with a thin plastic sheet.
The tin disks 'pop' inside out when you press the buttons, making the contact for the switch. On the old nokia phones, these disks got deformed and this would make the button work but with no click. I had a click but no button operation, and with the holes, and all the dust i found, i figured that it must be dusty contacts.
so here is how i managed to fix my buttons for free:
1, strip the phone to get to the keyboard circuit (i used this link clicky)
2, clean all the dust from the buttons
3, start to tease the plastic film from the front of the board (i used a sharp knife but mind your fingers and take care not to damage the board)
4, once one corner is up you should be able to slowly pull the film up (take care not to damage the disks as the plastic comes up but make sure the disks stay on the plastic sheet)
5, dont pull the sheet totally off otherwise you will have a job getting it all to line up after.
6, get some alcohol or head cleaning fluid on a cotton bud and clean all the gold contacts, as well as the insides of the discs.
7, slowly rub the plastic film to put it back where it came from, taking care to get the disks in the center of the gold contacts.
8, rebuild and test
All being well you should have working buttons again!!! It seems the design of the buttons lets dust inside the workings.
Hope this helps someone with clicking buttons but no action!!!
Hi mates yesterday i bought a used herm...with excellent condition. but when i opened any dialog. the window closed automatically. and the screen light remains always on. and touch is creating problems.
and after some time the touch screen totally stop working. i dont know what happened. al the buttons are working fine. i upgraded my t-mobile herm to its original t-mobile wm6 rom. and again the touch screen is not working. and the screen light always stay on..
so is this hardware or software problem.?
guide me if you have any clue about this..
according to my thinking.. i think some button is pressed continuesly.. but everything is working fine.. only the touch is not working.
broken digitizer for the touch screen, buy a replacement lcd/digitizer together and replace yourself, about $100Aud. Use Mike Channons site to download the service manual. Use the search function and type in "htc service manual hermes".
As for the light, you will have to use your buttons to navigate to settings>system>backlight>battery power and external power. you can select how long the backlight remains on for.
Cheers...
Hi mate thanks for your reply.. Actually the situation is that. the screen is working perfectly. all buttons are also working perfectly. but suddenly the touch feature stopped working.
that time i was just opening some menus and they closed automatically. it looks like that there is some button pressed. and the screen light never stops. it continuously remains on. all buttons are working perfectly and everything. on the touch feature is not working.
i upgraded my device with genuine shipped t-mobile wm6 rom and again it stopped at the starting screen where i have to click the screen and the device brings the window for stylus adjustment.
so i wanna ask that is this also possible that some touch drivers are corrupted or something like this.? or is this a hardware failure.?
Kind Regards
I had same problem, it was hardware. Thats why I said to change the lcd. It is theoretically possible to replace JUST the digitizer, BUT, it is a MAJOR hassle.
As for getting past the alignment stage, look up Remote Screen Alignment. Its a cab file that stores the alignment settings on your pc. You WILL have to have a friend that has the same phone so you can get their settings as you need to copy them to your pc first. You can then copy the settings to your phone so you can use it until you replace that pesky lcd...
Cheers.....
I had a similar problem with my hermes. After a lot of investigating, I found out that this is a heat related issue with the hermes. The unit will heat up an some connection somwhere gets messed up and continually registers ghost taps on the upper right corner of the screen, which causes the continual opening and closing of programs/task manager. This overloads the phone which then causes the screen to eventually become unresponsive due to excessive computing.
With my phone, it must be heat related because it will only occur during or after heavy use or overcharging. Other people have had this exact problem with the conclusion being overheating. The worse part is, there is apparently no way to fix this, replacing the screen doesn't change anything. setting your screen alignment very far left will fix the problem but then everything you tap needs to be compensated for.
Good luck, hate to be the harbinger of bad news, but it's better to know whats wrong and that you can't fix it then not know whats wrong and keep trying to fix it.
same problem here... only my hermes is overheating already after 5 minutes use...
in the morning it works and when i put it in front of the airconditioning the touchscreen also works...
somebody who has an idea where to look for a solution??
kingsfan said:
same problem here... only my hermes is overheating already after 5 minutes use...
in the morning it works and when i put it in front of the airconditioning the touchscreen also works...
somebody who has an idea where to look for a solution??
Click to expand...
Click to collapse
Some of the suggestions in the white screen thread/s might help. The problem is that those who have the heat related problem will find it very difficult to trace the actual fault. The heat may be causing miniscule expansions on the boards / components and connectors. The tiniest of cracks or poor connections can therefore break with the expansion.
Another theory is that rather than heat it might be a capacitor that is breaking down either over time or again through heating. Unless you are a skilled electronic engineer that is virtually impossible to check, particularly since schematics are not available.
You might just be lucky if you dismantled and re-assembled - it might just re-set a connector or adjust a board so it does not get affected in future. That would be very much a matter of luck and of course potentially the situation might be made worse!
Mike
Hi mates. I am back with some issue.. i moved my device to a repair center and he said that its a software issue. and he fixed my device without changing any rom.. i dont know how..
but again when i open some window like programs. the right scrollbar make a problem... when i move scrollbar it automatically press the top close button..i aligned my screen 3 times but same problem with right side scroll bar.
and after playing with it. the touch totally stopped.
now the thing is.all the buttons are working fine and everything is working fine. even sms and calls. but when i check sms and press my scroller button. it displays the right click menu instead of opening the sms. and the screen light is continuesly on. as something is pressed. so. i think this thing wil help. i am now trying this method to check my pc.
http://inuchanbt.blog54.fc2.com/blog-entry-99.html
check this out as well.
i will send you details soon.
might just have something lodged between the case and screen.. also to get rid of the screen alignment, cable it up and delete welcome from the startup programs and then reset it.. should get you past it so at least you can use it until you repair your screen
Well, plain and simple is that my touchscreen doesn't response to any touch reponse but the screen is working and everything else
I recently bought a white G1 housing kit on ebay and decided to take the risk of opening up my G1 to replace the housing of my black G1 to the white one, but turns out the white case for the screen / menu buttons arent correct so i scraped those and just changed the keyboard and menu button keys to white and put everything back together properly and exam each part and etc.
so i put everything back together and turn on the g1 everything works fine but the touchscreen doesn't work, is there anyway i can fix this?
life is hard using the G1 without a working touchscreen lol
thanks again and i don't think my screen is defective just wondering why it doesn't reponse to my touch
thanks
Once I was walking around in the heat with my G1 in my BDU pocket for like 4 hours, and it obviously got really humid in my pocket, and my touchscreen stopped responding. I let the phone just sit off for a while and after about an hour sitting in my room, it started working again. But I've had several instances where the touch screen has been less responsive/not responsive.
My guess based off my experience would be that some ambient moisture may have gotten into the phone when you opened it up. How long has it been since you put it back together?
Any update on this?
you said you had 2 g1s, right? so take the phone apart again and replace the touch screen.
the touch screen is separate from the LCD, so that wont affect it.
Hello,
I have a Telus branded P4000. Since I had It,one LED in the bottom left of the screen that was always full on - so there was a brighter part always on my screen no biggie.
Today I took apart my phone to see why the DPad stopped working. After I put it back together (done it many times before), I noticed my dpad still not working, but my screen was uniform again?!?!?! no one bright LED. Nice. Take what you will from that.
After that my SD card stopped working. Is that a loose connection I can check? which connection would it be? (plan on checking it over again tomorrow).
Also is there a fix for the dpad not working? all the other hardware buttons work, just not the dpad.
I am guessing since you checked the connections that the dpad is just broken and will need to be replaced. Also you have one lcd with a backlight the bright spot is a manufacturing defect not one bright LED. Most of the time the bright spot will come back and get bigger.
yep I think you are right on the nose.
is there anywhere I can get a dpad?
will one from a titan, mogul or 6800 fit into my P4000? I'm guessing so just want to make sure.
and if you have hook ups let me know
Any pad other than a xv6800 pad will work.
thanks go one on order now
So still no d-pad.
Got a brand new one. Still no d-pad, every other button around it works no problem. But the d-pad does nothing. I can feel it push, but nothing happens.
Is this a software issue? I don't want to wast money on this if it's not going to fix it