Reboot and Select Proper Boot Device Error – Instant Fixes [2022]

On a number of Windows PCs, there is an error message that displays saying “Reboot and select proper Boot Device”. Our goal today is to help you resolve the issue and restore your computer to working order.

 

What is the meaning of the message on your PC that says you should “reboot and choose a proper boot device”?

As far as I am concerned, the most obvious “symptom” is the error message “Reboot and select proper Boot Device”, which is displayed at the beginning of the boot process.

 

Is there any reason why you are receiving the erroneous message that says “Reboot and select proper Boot Device”?

Several factors could be responsible for this problem, including the following:

  • It has been reported that the boot order is incorrect.
  • The legacy mode is enabled or disabled.
  • Currently, there is a problem with the HDD.
  • It is set as inactive on the system partition.
  • The Windows Registry needs to be cleaned in order to resolve this issue.

As you can see from the above, it is quite common for you to run into this issue in quite a few situations. Are there any ways that you are able to resolve the issue of “Reboot and select proper Boot Device” error you are seeing?

The process of accomplishing this can be approached in several ways.

 

What you need to do in order to fix the “Reboot and select proper Boot Device” issue that is occurring on Windows

This error can be caused by a number of different things, which is why there are also several solutions that you can try if you want to fix it.

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Fix 1: The boot order of the computer needs to be changed

The most common cause of the error is the wrong boot order, so this should also be the first thing you fix. It’s as simple as this:

  1. First step is to restart the computer needs to be in order to fix the problem.
  2. Enter the BIOS menu by pressing a dedicated key on your keyboard. It might be Esc, Del, F2, F8, F10, or F12 on the first screen you see when you turn on your computer.
  3. You can open the Boot tab by clicking on it.
  4. List your computer’s hard drive first in the boot order on your PC.
  5. Make sure the changes you’ve made are saved.
  6. Your computer needs to be restarted.

When changing the boot order does not work, try the next fix to see if it helps.

 

Fix 2: Ensure that your hard drive is working properly before proceeding

There is a need to make sure that your hard drive does not have any problems. Moreover, a failing hard disk is evident by slow performance, strange noises, and an accumulation of corrupted files on your PC. It is possible to find out whether your hard disk is in trouble using one of the many software programs available online.

 

Fix 3: Uninstall Legacy Boot (only works on UEFI systems)

When Legacy mode is enabled on a PC that runs UEFI rather than BIOS, the boot device error can appear. In this case, it is possible to disable your PC by following the steps below:

  1. The first thing you need to do is restart your computer in order to fix this issue.
  2. Then, press the UEFI key to access the UEFI menu. F2, F8, F12, or the Del key are typically displayed on the first screen you see when your PC starts up.
  3. In the Security tab, you will usually find a Legacy Support option that needs to be turned off.
  4. The changes have been saved.
  5. The UEFI menu should be closed.
  6. Your computer needs to be restarted.
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Fix 4: Use diskpart to perform the operation

The main partition on your PC may not be set as active, so you have to reboot and select the right Boot Device error. Make sure your partition is active again to check if this is the case. The original Windows installation media must be used along with diskpart to accomplish this. As a reminder, here are the steps you need to take:

  1. Start your computer by inserting your Windows CD.
  2. In the System Recovery Options menu or the Troubleshoot menu, you will find the Command Prompt that you can access.
  3. Using the keyboard, type “diskpart”.
  4. Select disk 0 by typing “select disk 0”. You can check the list of disks on your computer by typing “list disk”. Here is the number of the disk where Windows is installed.
  5. The Enter key should be pressed.
  6. Using the keyboard, type “list partition”.
  7. Select partition 1 by typing “select partition 1”. The number 1 indicates the main partition of your computer.
  8. Hit the Enter key and type “active”.

If you do this, your partition should be set back to active, and you should no longer see any errors.

 

Fix 5: Make sure your registry is clean

There can be a lot of errors on your PC if there is an issue with your Registry. To improve PC performance, your Windows Registry might need to be cleaned and optimized if it is filled with leftover files from uninstalled applications. Additionally, whenever you make manual changes to your Registry, it is highly recommended that you create a system restore point first.

In order to restore your computer, you must first enable System Restore. There may have been a manual setting to disable it, despite it being enabled by default. Here are the steps:

  1. Search for “system restore” in the Search box.
  2. Set up a restore point by clicking “Create a restore point”.
  3. The System Protection page will appear.
  4. To configure a drive, select it and click Configure.
  5. Make sure you have the “Turn on system protection” option enabled.
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Having created this point, you can create a System Restore point. Taking these steps will help you:

  1. Select Start from the right-click menu.
  2. Go to System Maintenance and then System in the Control Panel.
  3. Using the left-hand menu, select System protection.
  4. It is important that you click on Create in order to proceed.
  5. There is an option for you to write a description for the restore point: you can use the date or the reason for creating it, for example, “before Registry cleanup”.
  6. Once the process has been completed, click Create.

 

I was wondering if you had any other suggestions for how to get rid of the “Reboot and select proper Boot Device” error?

The next step is to delete leftover keys, references to nonexistent shared DLL files, and spam startup entries from your Registry. Only experienced users should make manual changes to the Registry.

Using Auslogics Registry Cleaner is a risk-free solution to optimize your Registry and eliminate related problems. In addition, this is a free tool that you can use to help you clean up the registry of your computer quickly and easily.

You may want to consider giving your PC a boost if you’ve noticed your PC has been throwing up an increasing number of errors lately and you’re experiencing a general slowdown. However, a professional PC optimization program can help you accomplish this.

 

Final Thoughts: What is the best way to deal with the “Reboot and select proper Boot Device” error message?

“Reboot and select proper boot device” is unable to locate your computer’s OS when you boot it. A black screen will appear before Windows begins to load with the error message.

It is important that the BIOS/UEFI of your computer is connected to the correct hardware during the boot process in order for the operating system to function properly. Moreover, as soon as it is connected, Windows 10 starts booting and the login screen appears.

I hope that at least one of the above solutions has worked for you and that you are no longer experiencing any problems with your computer as a result of it. Which of the above solutions have you found to be the most helpful so far? I would like to hear your thoughts in the comments below.

 

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