How do you fix Windows 10 when it fails to boot?

Windows 10 Won’t Boot? 12 Fixes to Get Your PC Running Again

1. Try Windows Safe Mode.
2. Check Your Battery.
3. Unplug All Your USB Devices.
4. Turn Off Fast Boot.
5. Check Your Other BIOS/UEFI Settings.
6. Try a Malware Scan.
7. Boot to Command Prompt Interface.
8. Use System Restore or Startup Repair.

What do I do if Windows Startup Repair doesn’t work?

If you cannot use Startup Repair, then your option is to disable automatic restart, run chkdsk and rebuild bcd settings….Type following command lines and press Enter after each to fix Startup Repair stuck issue:

1. bootrec /fixmbr.
2. bootrec /fixboot.
3. bootrec /rebuildbcd.

How do I fix this Windows 10 boot up error without a recovery disk?

Launch the Windows 10 Advanced Startup Options menu by pressing F11. Go to Troubleshoot > Advanced options > Startup Repair. Wait for a few minutes, and Windows 10 will fix the startup problem.

What causes Windows startup failure?

The most likely cause of the Windows failed to start error is the missing or corrupted BCD file. The reasons for BCD file missing or corruption are various. There could be disk write errors or power outages and so on. If the BCD file is missing, your computer will show the error “Windows failed to start.

How do I fix boot BCD Windows 10 without disk or USB?

Next, follow these steps:

1. Insert your installation media into the computer.
2. Boot to the media.
3. Click Next on the Windows Setup menu.
4. Click “Repair your computer.”
5. Choose Troubleshoot.
6. Select “Advanced options.”
7. Pick “Command Prompt.”
8. Type Bootrec /fixmbr and press the enter key.

How do I force Windows to start?

Press Windows key + R (force Windows to start into safe mode every time you reboot the PC)

1. Press the Windows Key + R.
2. Type msconfig in the dialog box.
3. Select the Boot tab.
4. Select the Safe Boot option and click Apply.
5. Choose Restart to apply the changes when the System Configuration window pops up.