UNMOUNTABLE_BOOT_VOLUME? Check the Disk, Then Restore
UNMOUNTABLE_BOOT_VOLUME blue screen on every start? Run chkdsk /r from recovery, then System Restore. Owners also recovered with a reset that kept their files.
No Power Options Available? Sign Out and Back In First
Start says there are currently no power options available, often after an exam browser? Sign out and back in, restart with shutdown /r, then check the NoClose policy value.
Computer Restarted Unexpectedly? Fix the Setup Loop
Windows setup says the computer restarted unexpectedly or encountered an unexpected error, and loops? Set setup.exe to 3 under ChildCompletion, or start again from a fresh USB stick.
Downloads Folder Stuck on Working on It? Unpin It Once
Downloads folder freezes on Working on it and File Explorer stops responding? Owners fixed it by re-pinning Downloads, restoring its location, or removing a stuck download.
Couldn’t Create a New Partition? Unplug the Other Drives
Windows setup says we couldn’t create a new partition or locate an existing one? Unplug other drives, delete every partition on the target, or convert it to GPT.
Missing Important Security and Quality Fixes? Reset One Key
Windows 10 says your device is missing important security and quality fixes? Check ESU and update history first. Owners cleared a stale warning with one registry reset.
CLOCK_WATCHDOG_TIMEOUT? Undo Overclocks, Then Check Power
CLOCK_WATCHDOG_TIMEOUT blue screen, sometimes stuck at 0 ? Owners stopped it by undoing overclocks, reinstalling the graphics driver, and replacing a power supply.
There Was a Problem Resetting Your PC? Update First
Reset this PC says there was a problem resetting your PC and no changes were made? Install every update first, leave the black screen alone, then try Cloud download.
INACCESSIBLE_BOOT_DEVICE? Check the BIOS Storage Mode First
INACCESSIBLE_BOOT_DEVICE after a BIOS reset, update or new CPU? Microsoft says to revert a changed controller mode. Owners fixed it by setting SATA back to AHCI.
User Profile Service Failed the Sign-in? Restart It First
The User Profile Service failed the sign-in and the profile cannot be loaded? Restart more than once, try Safe Mode, then check your Users folder for TEMP folders.