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[SOLVED] HTC Desire USB is dead

9 posts in this topic

Posted (edited)

I have a rooted GSM HTC Desire with ClockworkMod recovery installed. Everything was working fine until I tried to restore a Nandroid backup (but forgot to wipe first). The device bootlooped (due to no wipe) and so I entered recovery and attempted to wipe. Now it says

"E:Can't mount /dev/block/mmcblk0p1 (or /dev/block/mmcblk0)

I can boot into the recovery, but can't mount /sdcard or access the sdcard in any way (Nandroid restore gives the same error) as the same error is given. I can't boot into a working rom, either.

I can't charge the device, can't access the SD card, and adb devices says no devices are attached. adb shell in recovery says 'error: device not found'

What have I done to my Desire and how can I fix it?

Thanks

Edit: The SD card itself is fine (works in another phone) and is partitioned with ext and fat as typical for A2SD.

Edited by blackcoffee85
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Posted

did you root it with unrevoked? also does the usb lead actually work?

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Posted

did you root it with unrevoked? also does the usb lead actually work?

It was rooted with unrevoked about 6 months ago and the usb lead definitely works. I wonder if the device is 'USB bricked' but I'm slightly unsure how to proceed.

I have flashed various ROMs and done several nandroid backups/restores of the past few months. It seems that the last Nandroid restore has corrupted something. Basically only the recovery works now, so I can't boot up the phone and use a terminal emulator.

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Posted

The solution to your problem is quite simple, just boot your phone into bootloader, select fastboot, the phone must be pluged in the pc via USB cable. After entering fastboot on your phone, using the command line from windows (cmd) go in to your Android SDK directory (downloaded from http://developer.android.com/sdk/ ) and locate the fastboot.exe file (should be in the tools folder) and enter 'fastboot oem enableqxdm 0' without the ' ' ofc. After this you should have full sd card functionality.

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Posted

Yes follow HyperL's instructions..but you'll probably have to install the original android fastboot drivers otherwise windows won't recognise it. Cheers. Paul

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Posted

Thanks guys - I wanted to make sure this was the case before doing anything as obviously it's quite a delicate situation!

I'll give it a shot tomorrow and let you know how I get on.

Thanks again

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Posted (edited)

So I tried the steps suggested but when running ./fastboot oem enableqxdm 0 the output is just '< waiting for device >'

When I connect the USB cable it says 'FASTBOOT USB' rather than 'FASTBOOT' so the cable is working.

On Ubuntu Linux it is necessary to follow the guide at http://forum.xda-developers.com/showthread.php?t=537508

This involves adding this line to /etc/udev/rules.d/51-android.rules

SUBSYSTEM=="usb", SYSFS{idVendor}=="0bb4", MODE="0666"

and restarting udev: sudo /etc/init.d/udev restart

The guide is for 9.04 but works fine for 10.10 (and probably any version after 9)

You can then issue the enableqxdm command to fix the SD card, and flash the update.zip.

Hope this helps someone else.

Edited by blackcoffee85
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Posted

THANKS TO ALL YOU GUYS.... you totally saved my life today!!!

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