It often appears after you’ve made a recent change to the computer, whether software or hardware. You could also see it during a Windows installation. It usually triggers an automatic reboot and maybe even an automatic repair attempt by Windows. The message that precedes the error often looks like this: Your PC ran into a problem that it couldn’t handle, and now it needs to restart.
How to Fix the Inaccessible Boot Device Error in Windows 10
Although this is a common error, it doesn’t have a single reason behind it. There are several things you can try to get rid of it and boot back into Windows. Follow these steps in order—they’re listed here by the ease of use—and reboot after each one to check if it was successful.
Need More Help?
If you’re not interested in fixing this problem yourself, see How Do I Get My Computer Fixed? for a complete list of your support options. It also includes help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a lot more. If you can’t access a restart button on the screen due to the error, hold down the physical power button for a few seconds until it shuts down, and then press it again to power the computer back on. Depending on your situation, the solution might be to remove recently installed hardware, uninstall a program, roll back a driver, or unplug a new USB device. If you’re not sure where to start, use a tool that updates the drivers for you. We highly recommend Driver Booster for this. Once you’re working out of the correct drive, run the chkdsk command by typing chkdsk /r. To get there, look for an Integrated Peripherals area of the settings. It might be under an Advanced section.
Back Up Five Items
First, we’ll back up the currently used data in case something goes wrong:
ren default default.oldren sam sam.oldren security security.oldren software software.oldren system system.old
Copy the Older Ones
Now that the originals have been isolated, we can restore some older backups to see if that fixes the error:
