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troubleshooting.md

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Windows 11 running on polaris

Running Windows on the Xiaomi Mix 2s

Troubleshooting Issues

Below you will find a list of common problems and their solutions

LTE and other network services in Android no longer work

Sometimes Windows may wipe your modem partitions, resulting in the loss of LTE in Android. To fix this, you'll need to restore your modem using the backups that you hopefully made while partitioning your device. If you did not do this step, there is likely no way to recover.

  • Boot into any recovery other than the stock recovery (ADB commands do not work there)
  • Open CMD in the platform-tools folder.
  • Restore the four partitions that you backed up using the below commands. Replace path\to with the actual path of the images.
adb push path\to\fsc.bin /cache/ & adb shell dd if=/cache/fsc.bin of=/dev/block/by-name/fsc
adb push path\to\fsg.bin /cache/ & adb shell dd if=/cache/fsg.bin of=/dev/block/by-name/fsg
adb push path\to\modemst1.bin /cache/ & adb shell dd if=/cache/modemst1.bin of=/dev/block/by-name/modemst1
adb push path\to\modemst2.bin /cache/ & adb shell dd if=/cache/modemst2.bin of=/dev/block/by-name/modemst2
  • Reboot your device and check if LTE works.

Note

If it still does not work, you will have to do some additional steps;

  • Download the stock rom for your device
  • Open it, look for a file called modem.img and extract it.
  • Boot into fastboot mode (adb reboot bootloader).
  • Flash this modem.img with the below command, replacing path\to\modem.img with the actual path of the image
fastboot flash modem path\to\modem.img
Finished!

Cannot mount Windows in Android

If mounting Windows produces an empty folder, you either don't have Windows installed, or your rom does not have mount support.

Finished!

Cannot write to Windows in Android

This is caused by shutting down Windows instead of restarting it.

  • To solve this, boot to Windows and then press "restart", then as the screen shuts off boot to TWRP and from there load up Android.
  • Or, disable hibernation in Windows.

Alternatively, if you have already set up the Switch to Android app, simply use this to switch to Android.

Finished!

USB does not work

Enable USB host mode using the optional post install guide.

Finished!

DISM Error:87 The add-driver option is unkown

This usually means that you have an unclean Windows image with some other drivers. You need to get a clean Windows image (which means you didn't follow instructions).

Finished!

0xc000021a BSOD

This usually means that winlogon.exe has failed, and you may need to reapply the Windows image.

Finished!

The computer restarted unexpectedly or encountered an unexpected error

If you stumble upon this error, you may need to redeploy the Windows image. Use the reinstall guide for this.

Finished!

INACCESSIBLE_BOOT_DEVICE BSOD

This Blue Screen of Death likely means some broken driver installation. To fix this, reinstall the drivers using the reinstall guide.

Finished!