You must have been familiar with the most common issue found in your computer system is ‘Reboot and Select Proper Boot Device‘. Mostly, the Windows user or the Windows 10 user encounters this error. We are aware of the fact that Windows is the user-friendly operating system, but it is the weakest operating system too. Every time you start your computer, you may see a pop up showing to select an appropriate booting device or insert a boot media in your computer system.

Reboot and Select Proper Boot Device Error

Also, if you have installed the operating system in the authentic drive so that doesn’t mean that there would be no chances of error or issue going in your computer system, but don’t panic about this issue. Our article will give you elaborated methods to rectify the errors and give some suggestions for further use. Let’s begin.


What Causes the ‘Reboot and Select Proper Boot Device’ Error?

There could be many reasons for creating various errors in the computer system. But here we are discussing the main causes. The two most important causes of error are:

1. Hard disk failure.

2. Error in order of boot in the BIOS. There may be the possibility of having a system hard disk drive listed in the system’s boot order via BIOS.

3. And last, activation of legacy mode in UEFI based computer device.

So these are the errors that are responsible for causing rebooting errors in your computer system and asking again and again to select the appropriate boot device.

How to Fix Reboot and Select Proper Boot Device Error

Method 1 – Check the Boot Order

To fix the Reboot and Select Proper Boot Device error in a more convenient and quick manner, check that the boot order is listed correctly in HDD as the first option. To execute this method, follow the given steps.

Step 1: Firstly, restart your computer system.

Step 2: While the system is booting back up, open the BIOS menu using the appropriate key. The key may vary as per model and Manufacturer Company. The key can be ESC, Del, F 2 or F 1. Some other keys are separately defined in other computer companies such as Lenovo or Sony Vaio computers.

Step 3: In the BIOS menu, go to the boot tab.

Step 4: To change the boot order, use the keys + and – on the keyboard in such a way that the hard drive is listed first in your computer.

Step 5: Then, press the F10 key to save the changes. Further, check whether the issue of booting order is fixed or not.

If the Reboot and Select Proper Boot Device issue is not resolved, then you can also try the next method.

Method 2 – Check Hard Drive Health

You need to check first whether your hard drive is working properly or not. There are chances to have some failures in the hard drive. To test that you can use the tool Easy Recovery Essentials Automated Repair. You will find the tool in the hard drive or RAM. To use this tool, follow the given steps.

Step 1: First, download the Easy Recovery Essentials software from the given link.

Step 2: Burn the downloaded ISO image to the boot table DVD, or you can use the USB drive as well for the same process.

Step 3: Select the Automated Repair option.

Step 4: Last, click on the continue option and wait for some time to complete the execution of the process. The automated process will report the issues. You will find it in a hard drive or RAM.

Restart your PC and check whether the screen is showing any reboot error message or not. If it is still there, then go for the next steps.

Method 3 – Disable Legacy boot mode

Another cause of Reboot and Select Proper Boot Device error in the hard drive or RAM regarding booting and for boot device is the activation of legacy boot mode in the computers having UEFI mode instead of BIOS mode. So, it is essential to disable the legacy boot mode in your computer system. To disable the mode, follow the steps.

Step 1: Restart your computer system and enter the BIOS menu using keys such as Del, Esc, F12, F2 or F8.

Step 2: In the BIOS menu, head over to the start-up tab using the arrow keys, and navigate down to the UEFI/Legacy Boot Priority option.

Step 3: Press the enter button and change the priority from BIOS to UEFI only.

Step 4: Tap on the enter key and then on the F10 key to save the settings you have made in the BIOS menu.

Step 5: Now, exit the UEFI menu once you have saved the settings.

Step 6:- At last, restart your computer and check the situation.

If the boot priority is restricted to UEFI only and showing the error messages to select the proper boot device, then you can apply the disk partition method given below.

Method 4 – Using Disk Part

For using this method keep the Windows installation CD or the bootable USB drive. Once you have a USB bootable drive for the Windows operating system, then you’re set. Follow the steps to solve the Reboot and Select Proper Boot Device error and select proper boot device error.

Step 1: Insert the Windows bootable media or installation disc.

Step 2: Click on Command Prompt option in the troubleshoot option appearing in the window.

Step 3: Type the disk part in the and prompt and enter.

Step 4: Following the above command, select disk 0 and enter again.

Step 5: Next, type in list partitions and enter again.

Step 6: After that, type partition 1 and enter again. Then type active and enter again.

It enables the partition operation in your computer system. It will re-select the boot operation, and we hope Reboot and Select Proper Boot Device error will not occur again in your computer system.



So, these are the methods that you can apply in your computer system to combat the booting error or selecting the proper boot device. We hope that anyone of the mentioned methods would be able to solve the issue and male your computer run smoothly without any pop-up messages and obstructions.