TAB 10.1 GT-P7500 not detected in win 7 64[SOLVED] - Galaxy Tab 10.1 General

Hi ,the problem is that when i connect the tab to the PC usb port(1.1 and 2.0),it does nothing.i have installed the mtp usb drivers and kies,sometimes the tablet is recognized under windows explorer as "portable device",but it's random and it's not predictable,it can be detected by windows 7 even after 30min or 1 hour.The tab is clockwork modded,actually i have flashed the latest stock rom honeycomb 3.2 build P7500XWKK4.I made a screenshot of the device manager when the tab was detected last time.I tried Debug USB enable/disable,doesn't work.Why this strange behaviour?

I also run x64 and do not experience any problems. You should try testing on a different computer to rule out any problems with the device.

I see,so i tried to connect the GT to my win7 notebook and also to my pc with a clean installation of win7 64 in a separate partition and still no luck.Meanwhile i'm using SwiFTP to transfer files to the device,hope to find a solution,maybe it's a broken/defective cable or 30pin usb port damaged

Yeah, seems like faulty usb port. Should send it back

Mine is Ok too, try to uninstall the Samsung Drivers, and Kies - if you have it installed - then reboot your computer all with the TAB disconnected from your PC.
try to perform a junk clean process for your PC.
Reinstall the Samsung Drivers, and TRY!
Win7 Pro x64 is my setup, working fine.
Don't quickly jump to the conclusion of "Defective USB Port" that's very Unlikely to occur on such pro equipment, me think!

solved
Guys I've changed the suspected faulty cable with a new one,now the TAB is recognised immediatly when plugged in,Odin works perfect now,it was hit'n'miss before.FINALLY!! now i can enjoy my teb(shame on you sammy)

Nice Bet that's a relieve

Yeah 2 weeks gettin' mad,i'm stressed now!i need some fun lol ,see you m8

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windows 7 and usb drivers help

i have never had any problems with windows vista at all now that i have a new pc it just wont work i installed the 64x drivers on my 64x pc and all i get is installing device driver software. samsung android usb composite device ready to use. cdc abstract control model (acm) installing driver software. s3c6410 android adb installing software. usb mass storage device ready to use and android ums disk usb device ready to use. i waited for ever and its just stuck there i changed from one usb port to another some ports recognize it some did not. if it does it goes threw the same process of installing device driver software and some times give me a fail on cdc abstract controls model (acm) i also downloaded the 32 bit and no budge there. i restarted my pc and all also. i been at this for days just need some help searched the forum and the search results did not help thanks.
thanks guys 19 views and no responce
I'm not exactly sure what you are asking. I had problems getting my epic to show on my pc as well. For me, it wasn't the dr4ivers, but the fact I had it plugged into a usb hub. Try plugging it in a main usb port on the back of your case... these are usually the ones for your keyboard/mouse.
Sent from my SPH-D700 using XDA App
iv had the same issue my friend.... for all my pc epic modding I just use my girls xp netbook
dfitzpatrick said:
I'm not exactly sure what you are asking. I had problems getting my epic to show on my pc as well. For me, it wasn't the dr4ivers, but the fact I had it plugged into a usb hub. Try plugging it in a main usb port on the back of your case... these are usually the ones for your keyboard/mouse.
Sent from my SPH-D700 using XDA App
Click to expand...
Click to collapse
I haven't been able to get drivers to load at all... I have given up.
I too have a 64bit Win7 machine.
I too had the same drama for days on end..
I too read that installing PDA net will get you up and running
so..
I too am suggesting the following:
get PDA net and when it installs, select "samsung" and enjoy being able to plug your phone into your computer
I hope this helps
When booting windows hold F8 key and choose "Disable driver signature",now boot into windows and intall drivers it should work.
If not intall PdaNet tether on ur epic download drivers to ur phone for ur pc(it promts u) install them and ur good to go,dont forget to disable driver signiture and if u on win64 bit than u gotta disable it each time u boot into windows.

this usb device can perform faster if you connect it to a Hi-speed USB 2.0 port

My problem is little weird so i try to explain it as best as I can...
until today there was no problem to connect phone with USB but now when i connect the phone windows said "This device can peform faster this usb device can perform faster if you connect it to a Hi-speed USB 2.0 port. And another problem is when i turn phone into download mode start odin and connect the phone it said... usb device not recognized. I didnt flash any rom yet and i try different cables.
I am running on windows 7 ultimate 64-bit. I try two different PC and its look it the same problem.
But the weird part is that on third PC which has also win 7 ult 64-bit it works just fine.
So i try reinstall operation system but the same problem. The computer is max 3 years old so its has for sure usb 2.0
So i am little desperate because i am not sure if its problem with computers or with the phone.
Thank you for any advice!
I always had this problem with the i9100 actually, I blame crappy usb drivers.
Kies installed? Did you also try different usb ports? Chipset and USB Drivers of mainboard installed?
yes kies installed and also try back and front usb... but same result...
and usb drivers are installed manually by windows as far as i know... or?
Bladik said:
My problem is little weird so i try to explain it as best as I can...
until today there was no problem to connect phone with USB but now when i connect the phone windows said "This device can peform faster this usb device can perform faster if you connect it to a Hi-speed USB 2.0 port.
Standard Windows message for USB connections just means what it says .
And another problem is when i turn phone into download mode start odin and connect the phone it said... usb device not recognized.
Download mode how and whats on the phone in download window
Connection must be to a mainboard usb port .
If your PC has Kies make sure its not running make sure USB debugging is off on phone .
Power phone off restart start Kies connect phone does Kies see phone .
If yes turn Kies off remove cable connect phone in USB mass storage mode wait for windows to install drivers . Does PC see phone in Windows Explorer .
jje
Click to expand...
Click to collapse
yes windows explorer works
and kies also but still in usb 1.0 mode...
as I said I tried back usb and also front usb... same problem...
debugging is also off...
I try a little experiment... removed external grahics card and plug graphics on mainboard... and for a few seconds its works!
I try copy some video and speed was usb 2.0 but after few seconds its get error cannot copy bla bla and windows popup : this device can run faster and it change back to USB 1... weird...
and also i try again downloading mode but the same error... usb device not recognized...
Have you always used the same USB-port?
On some pc's, they only have one or two high speed ports and the other ones are "slow".
So yeah, try an other USB port on your pc
Sent from my GT-I9100 using XDA App
OP, I am confident it is a problem with your PC, and this XDA forum won't be able to help.
Try using another USB 2 device (like an MP3 player), see if you get the same message.
Use a different computers with the SGS2, see if you get the same message.
Bladik said:
yes windows explorer works
and kies also but still in usb 1.0 mode...
Thats your PC port USB 1
I try a little experiment... removed external grahics card and plug graphics on mainboard... and for a few seconds its works!
USB port not getting enough power .
Its PC not the phone explore sees phone and Kies sees phone = USB drivers ok
USB ports are not all usb 2 check your manual .
You can try factory reset on phone this will wipe all data .
jje
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Click to collapse
i tried all usb ports...
also i am using external hdd everyday i never had a problem
my mainboard is asus m3n78pro and there are usb 2.0 for sure...
how is possible to not get enogh power to usb when etc. like external disk just fork fine... ?
Bladik said:
i tried all usb ports...
also i am using external hdd everyday i never had a problem
my mainboard is asus m3n78pro and there are usb 2.0 for sure...
how is possible to not get enogh power to usb when etc. like external disk just fork fine... ?
Click to expand...
Click to collapse
Use a mainboard USB port they are USB 2 but it matters not a jot about 1 or 2 .
jje

can't connect to pc...usb device not recognized

hey guys.
i've been using the xoom for about 3 weeks now. i have the latest motohelper driver. i'm using windows 7 x64. i've been able to access and transfer files before no problem. I rooted over a week ago and also have had no problems moving files around. accessing the sd card from the pc has also worked.
now yesterday I send my wife to move a file over, and she tells me it's not working. sure enough, no matter which usb port on the pc I plug it into, or how i disconnect and reconnect the cable on the xoom, windows gives me the USB device not recognized message.
I've tried rebooting both the PC and the Xoom. i've reinstalled the drivers. i've enabled and disabled usb debugging on the xoom. still get the same message. under device manager it shows as Unknown Device. if I go and manually select the Motorola MTP drivers it tells me it can't start the device.
we haven't done any recent software changes on the PC or the Xoom. specially not within the last two days for it to go from plugging in just fine to USB Device Not Recognized.
any suggestions?
thanks.

[Q] USB-PC Not working?

I'm running OTA 4.0.3 (Acer_AV041_A500_1.033.00_PA_CUS1) rooted with I don't know what tool, but rooted after upgrading to 4.0.3, and using one of the tools found here which was the latest (at the time of rooting). The tablet has an "A500 Root Tools" app which has options to enter APX mode amongst other things.
I'm unable to get my Acer to connect to my PC via USB. I tried using both a mini(?)-usb cable and an A-A cable. My acer makes no notification, and there's no visible, or audible, evidence that anything was connected. USB Debugging enabled and disabled makes no difference. The tablet shows absolutely no sign that anything was plugged in. Nothing in notifications, nothing in any file managers.
Likewise on both a Windows 7 PC, and a Windows Vista machine. No little sound saying I plugged something in. Nothing listed in device manager. Nothing anywhere. The Win7 machine has the Acer drivers installed, as it is the machine I used to root it a few months ago.
Is there some weird ICS toggle that I need to perform to get this working? I know my USB ports are working as I've plugged in USB sticks and it mounts them without issue.
At the end of the day, I'm just wanting to flash my bootloader so that I can install CWM and a custom ROM. If there's a way to do that without needing my PC connected, that would make me equally happy.
Drivers
Anthony820 said:
I'm running OTA 4.0.3 (Acer_AV041_A500_1.033.00_PA_CUS1) rooted with I don't know what tool, but rooted after upgrading to 4.0.3, and using one of the tools found here which was the latest (at the time of rooting). The tablet has an "A500 Root Tools" app which has options to enter APX mode amongst other things.
I'm unable to get my Acer to connect to my PC via USB. I tried using both a mini(?)-usb cable and an A-A cable. My acer makes no notification, and there's no visible, or audible, evidence that anything was connected. USB Debugging enabled and disabled makes no difference. The tablet shows absolutely no sign that anything was plugged in. Nothing in notifications, nothing in any file managers.
Likewise on both a Windows 7 PC, and a Windows Vista machine. No little sound saying I plugged something in. Nothing listed in device manager. Nothing anywhere. The Win7 machine has the Acer drivers installed, as it is the machine I used to root it a few months ago.
Is there some weird ICS toggle that I need to perform to get this working? I know my USB ports are working as I've plugged in USB sticks and it mounts them without issue.
At the end of the day, I'm just wanting to flash my bootloader so that I can install CWM and a custom ROM. If there's a way to do that without needing my PC connected, that would make me equally happy.
Click to expand...
Click to collapse
Reinstall the Acer Drivers and also the Google drivers from the android sdk if u have that installed, if not use the adb_fast.zip attached. For you to successfully flash the BL do not underestimate the importance of having the drivers correctly installed - its the cause of 90% of the problems folks have had - my advice is to keep Device Manager open the whole time so you can see what is or isn't installing - dont proceed with the flash until you are sure they are - else you'll be looking at a downgrade to HC to fix things
you can also use Acer Recovery Installer from the market to install a custom recovery
While I appreciate your help, my issue is not drivers - Windows isn't loading the wrong drivers, or no drivers at all. Windows is showing no sign at all, at all, in device manger, any where, that a tablet has been plugged in. Like wise, the tablet gives ZERO notifications on being plugged in to a PC. Nothing. No sounds. No notification. Nothing.
I was originally using the micro(?) usb slot, and it was not working. I assumed that USB slot was dead. So I went and bought a USB A-A cable - after testing the normal USB slot and established it works - and it, too, does absolutely nothing when plugging the device into a PC.
I've since tested with an Ubuntu 12.04 machine as well. dmesg lists nothing.
Anthony820 said:
While I appreciate your help, my issue is not drivers - Windows isn't loading the wrong drivers, or no drivers at all. Windows is showing no sign at all, at all, in device manger, any where, that a tablet has been plugged in. Like wise, the tablet gives ZERO notifications on being plugged in to a PC. Nothing. No sounds. No notification. Nothing.
I was originally using the micro(?) usb slot, and it was not working. I assumed that USB slot was dead. So I went and bought a USB A-A cable - after testing the normal USB slot and established it works - and it, too, does absolutely nothing when plugging the device into a PC.
I've since tested with an Ubuntu 12.04 machine as well. dmesg lists nothing.
Click to expand...
Click to collapse
open a command prompt on yr adb folder and run "adb devices" what do u see?
List of devices attached.. then nothing but my prompt.
Anthony820 said:
List of devices attached.. then nothing but my prompt.
Click to expand...
Click to collapse
and the adb interface driver thats not showing in device manager?? and you have the acer drivers installed??
All the signs are pointing to no drivers, failing that its sounding like a hardware issue either yr tab or cable - can u try on another pc/laptop?
Tested it on a Win 7 Dell, on a Vista Dell, and on an Ubuntu 12.04 Compaq. None show any sign of the device being connected.
I know my *two* micro USB cords work as my Nooks (color and tablet) have no problem with them. I know the large USB slot works as I've plugged in a keyboard and a USB memory stick and both are immediately detected by android.
I've also done a factory reset on the tab. Problem persists, obviously.
I'm actually setting up stock Win7 on another laptop right now. When it's complete I'll install acer drivers and plug in the tablet. It will be the only USB device, let alone android, to ever be plugged in to it.
Anthony820 said:
Tested it on a Win 7 Dell, on a Vista Dell, and on an Ubuntu 12.04 Compaq. None show any sign of the device being connected.
I know my *two* micro USB cords work as my Nooks (color and tablet) have no problem with them. I know the large USB slot works as I've plugged in a keyboard and a USB memory stick and both are immediately detected by android.
I've also done a factory reset on the tab. Problem persists, obviously.
I'm actually setting up stock Win7 on another laptop right now. When it's complete I'll install acer drivers and plug in the tablet. It will be the only USB device, let alone android, to ever be plugged in to it.
Click to expand...
Click to collapse
cool let us know how u go....oh dont forget the adb drivers too
Same. I feel like it's something on the tablet rather than the PCs. But I don't know how to get 100% stock again without being able to have a PC connection.
Anthony820 said:
Same. I feel like it's something on the tablet rather than the PCs. But I don't know how to get 100% stock again without being able to have a PC connection.
Click to expand...
Click to collapse
The tool you used to root it (icsRoot) also has an unroot tool, which you could have used...I have tried to unroot manually which wasnt easy as I had a pre-rooted rom and I had real trouble getting rid of superuser, but in your case it may be a bit different....Sorry can't give you much help in the unrooting ics dept. Maybe try flashing acer stock rom??? or starting a new thread??
Did you ever solve this problem, I'm pulling my hair out with the same thing.
irishmoe said:
Did you ever solve this problem, I'm pulling my hair out with the same thing.
Click to expand...
Click to collapse
are you trying to flash something or do you mean when you connect yr tab
windowz explorer doesnt show your int/ext storage??
more info needed, what rom and bootloader, what OS on yr pc can u try on a different one, try a different cable and usb port..
have you run the acer drivers setup.exe
did u install the android usb ones
have u opened a command prompt from the folder where adb.exe is and run "adb devices"...does a number show??
when u have device manager open and connect yr cable do you see the drivers install. If they are there then uninstall them, disconnect yr cable and clean boot and reconnect.
If they do not install then manually install by pointing them to the folder you extracted the zip to...for the acer ones, just point it to your c: drive
If windows trys to install them, stop the hardware wizard from searching windows update and manually install them yourself.
If you've tried to flash the bootloader and it hasnt completed for what ever reason - you can strike issues such as yours - again, uninstall, clean boot, reconnect, manual install
I have my own thread here
http://forum.xda-developers.com/showthread.php?t=1776448
but came across this one and thought I'd ask if there was any solution found.
irishmoe said:
I have my own thread here
http://forum.xda-developers.com/showthread.php?t=1776448
but came across this one and thought I'd ask if there was any solution found.
Click to expand...
Click to collapse
ok m8, i havng a look at it now....when u connect to yr pc does win explorer show u yr internal/external storage ok??
Have you tried an app like USB host controller to check the connection on the tablets side?
a.child said:
Have you tried an app like USB host controller to check the connection on the tablets side?
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Click to collapse
I regularly use a memory stick in the usb port so I reckon it's fine
what about the micro-usb port?
a.child said:
what about the micro-usb port?
Click to expand...
Click to collapse
Lost the cable so using the regular port
irishmoe said:
Lost the cable so using the regular port
Click to expand...
Click to collapse
I replied earlier in the other thread m8
U must use the micro USB
irishmoe said:
Lost the cable so using the regular port
Click to expand...
Click to collapse
dibb_nz said:
I replied earlier in the other thread m8
U must use the micro USB
Click to expand...
Click to collapse
That's correct, a straight USB "A to A" won't work. Further, I discovered something else; not all micro-usb cables are created equally! I was using a cable that worked fine on my Thunderbolt phone, would not work at all on my A500. Turned out there's some enhancements to the pinouts on the newer micro-usb devices. So the lesson here is go with the cable that came with the device if at all possible.
Seriously though, give a different micro-usb cable a shot; they're pretty cheap around the interwebz.

[Q] USB (not recognized) on Samsung Intercept

I cannot access my samsung intercept phone with 2.2 via my windows NEW 7 usb. I did so with the same device and cable on a previous pc running XP.
When connected, it beeps but the PC says there usb driver is wrong but I have tried all sorts oof usb drivers with no success.
Both samsung and HP (pc vendor) point their fingers at each other.
Any ideas?
Boruchb said:
I cannot access my samsung intercept phone with 2.2 via my windows NEW 7 usb. I did so with the same device and cable on a previous pc running XP.
When connected, it beeps but the PC says there usb driver is wrong but I have tried all sorts oof usb drivers with no success.
Both samsung and HP (pc vendor) point their fingers at each other.
Any ideas?
Click to expand...
Click to collapse
I used to have an intercept months ago and for a minute i had ur same problem. Try some of these options
1. Download samsung phone usb drivers.
2. Get a new usb cord.
3. Dwnload pdaNet from the market and send the drivers from ur phone to ur computer from pdaNet. ( pdaNet will ask if u need drivers) This is actually the way i got my intercept to be recognized by my win7 computer once i bought a new usb cord.
Hope things work out for ya

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