Reboot and Select Proper Boot Device Error [SOLVED]

Reboot And Select Proper Boot Device is a common error message that pops up when we start our operating system. It is a BIOS related problem. BIOS chip starts your operating system, and if it does not detect from a computer hard drive or solid-state drive, then this error message pops out.

Reboot and Select Proper Boot Device

How to Fix Reboot and Select Proper Boot Device Error

It is caused due to reasons like faulty or loosely connected hard disk drive (HDD), enable/disable Legacy Boot, inactive partition. Or incorrect boot order. But don’t worry anymore. The below solutions will fix Reboot and Select Proper Boot Device error.

Solution 1 ⇒ Check Boot Order

Step 1 ⇒ First, restart your operating system and press the Delete key.

Step 2 ⇒ Now locate the Boot tab and click on it.

Step 3 ⇒ Afterwards, with + & – keys, change the order and keep the computer hard drive first.

Check Boot Order to Fix Reboot and Select Proper Boot Device

Step 4 ⇒ Finally, save changes and restart your operating system.

Solution 2 ⇒ Check UEFI Boot

Step 1 ⇒ First, restart your operating system and press the Delete key.

Check UEFI Boot to Fix Reboot and Select Proper Boot Device

Step 2 ⇒ Locate Legacy Boot and click on it.

Step 3 ⇒ Toggle its option to Enable if disabled or Disable if Enabled.

Disable - Enable UEFI Boot to Fix Reboot and Select Proper Boot Device

Step 4 ⇒ Save the settings and Exit menu.

Step 5 ⇒ Finally Restart your Operating System.

Solution 3 ⇒ Proper Hard Disk Drive (HDD) Connection

Mostly Lose or faulty connection leads to this error. If your laptop/PC is in warranty or doesn’t have the technical knowledge, then don’t open the case by yourself and visit a service centre. Open the case and make a proper connection. Finally, reboot and error will fix.

Solution 4 ⇒ Use Diskpart

Step 1 ⇒ First, open the Start menu.

Step 2 ⇒ Then type Run in the search box and press Enter key.

Step 3 ⇒ Then, in the Run window type cmd and press Enter key.

Use Diskpart to Fix Reboot and Select Proper Boot Device

Step 4 ⇒ Now in the command prompt window, type the following commands and don’t forget to press the Enter key after each command.

  • select disk 0
  • list partition
  • select partition 1
  • active
  • exit

Use Diskpart and Fix Reboot and Select Proper Boot Device

Step 5 ⇒ Finally, Restart your Operating System.

Solution 5 ⇒ Replace the CMOS Battery

CMOS Battery is a circular cell that stores some errors and issues. Just remove the CMOS battery and hold the power button for at least 30 seconds to remove any residual charge. Now replace your old battery with a new one.

Solution 6 ⇒ Reinstall Windows

The last solution is to reinstall windows. Its time consuming but do it as solves the Reboot and Select Proper Boot error.

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Conclusion

Coming to an end of this article, the above solutions will fix the “Reboot and select proper boot device” error message. Do post any queries or suggestions.