[Fix] Internal Power Error BSOD for Lenovo Y40-70 / 80 Using Windows 10

So, you just upgraded your Lenovo Y40-70, Y40-80 laptop to Windows from Windows 7 or Windows 8.1, but as soon as you boot and start using Windows 10, you’re greeted with Blue Screen of Death i.e. Internal Power Error and computer just restart. The real cause of this issue in Lenovo Y40 series laptops is AMD Drivers which are crashing due to non-compatibility with Windows 10. Downloading the drivers via AMD Catalyst shall not work and i won’t recommend too doing that way. Show the exit gate to AMD Catalyst in your computer. And you’ll need to install the drivers provided by Lenovo for AMD graphics card.

[Fix] Internal Power Error BSOD for Lenovo Y40-70 / 80 Using Windows 10

Probably you’ll be getting a hard time getting to desktop of Windows 10. But we need to get rid of installed AMD drivers from your laptop. Hence, follow below given steps:

Internal Power Error BSOD Y40-70

  1. When your laptop restarts because of Blue screen of death, Press F8 and hold during restart until the computer shows you “See Advanced Repair Options“. You can also enter Recovery by continuous pressing Shift key + Click on Restart while being on Login screen of Windows 10. Usually till that login page, Windows 10 works fine. Shift + Restart
  2. As soon as you get into recovery options, click “See advanced repair options > Troubleshoot” (if you reached recovery after restart) or click “Troubleshoot” if you reached recovery options via Shift+Restart way.Troubleshoot Windows 10
  3. Click Advanced Options > Startup SettingsAdvanced Options Windows 10
  4. Windows now shall notify you with options you’ll get in advanced boot options upon restart. Click Restart.Safe Mode selection Windows 10
  5. When Startup menu appears, select “Enable Safe Mode” by pressing F4.
  6. When Windows 10 boots completely in Safe Mode, press Windows Key + X and select “Device Manager“.
  7. Navigate to Display Adapters > AMD Radeon R9 M275X (Applicable for both Y40-70 & Y40-80)
  8. Right click on AMD Radeon R9 M275X and select Properties.Uninstall AMD Radeon R9 M275X
  9. Click Driver Tab and then Uninstall.
  10. Select “Delete the driver software for this device” and then click “OK” to uninstall AMD Graphics card driver. Close the Device Manager.Delete the driver software for this device
  11. Go to C:\ and delete AMD Folder too.
  12. Restart the Computer.
  13. Now, you should be able to get the Windows 10 working normally but it’s lacking the AMD graphics card driver now. So download drivers (Version is 15.200.1050.0 of both) from below given links:
    Y40-70 AMD Graphics Card Driver Download Lenovo Y40-80 AMD Graphics Card Driver Download
  14. Install the driver and Reboot.

Guaranteed your problem of internal power error, blue screen of death is resolved for Lenovo Y40-70 and Y40-80.

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