How To Fix ‘Reboot And Select Proper Boot Device’ Error


‘Reboot and Select Proper Boot Device’ is the most common problem in your computer system. Typically, this issue is seen by a Windows user or a Windows 10 user. As we all know, Windows is the most user-friendly operating system, but it is also the most vulnerable.

A pop-up may appear every time you start your computer and ask you to select a booting device or insert a boot disc. Also, even if you installed the operating system on the original drive, this does not rule out the possibility of an error or problem occurring on your computer; nonetheless, you should not be alarmed by this situation.

In this article, we’ll show you how to fix common mistakes and offer some tips for future use. There is no time like the present.


Unveiling the Meaning of the “Reboot and Select Proper Boot Device” Error

When a computer displays the “Reboot and Select Proper Boot Device” error message, it means that the BIOS is unable to find a bootable device to load the operating system from. This can occur due to various reasons, including hardware issues, incorrect BIOS settings, faulty connections, or corrupted system files.

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Key Components Involved in the Boot Process

  1. BIOS (Basic Input/Output System): The BIOS is responsible for initializing hardware components and loading the operating system during the boot process.
  2. Boot Device: The boot device is the storage device (e.g., hard drive, solid-state drive, or USB drive) that contains the operating system files necessary for booting the computer.
  3. Boot Sequence: The boot sequence is the order in which the BIOS attempts to boot from different devices (e.g., hard drive, optical drive, USB drive) until it finds a bootable device.

Common Causes of the “Reboot and Select Proper Boot Device” Error

Understanding the underlying causes of the “Reboot and Select Proper Boot Device” error is crucial for diagnosing and resolving the issue effectively. Some common causes include:

1. Incorrect Boot Device Selection

  • BIOS Settings: Incorrect BIOS settings, such as an outdated boot order or disabled boot devices, can prevent the BIOS from recognizing the correct boot device.
  • CMOS Battery: A depleted or faulty CMOS battery can cause BIOS settings to revert to default values, potentially resulting in boot device selection errors.

2. Hardware Issues

  • Faulty Storage Device: A malfunctioning or disconnected hard drive or SSD can prevent the BIOS from detecting a bootable device.
  • Loose Connections: Loose or improperly connected cables between the motherboard and storage devices can disrupt data transmission and lead to boot errors.

3. Corrupted System Files

  • Operating System Corruption: Corrupted or missing system files within the operating system can render the boot device unbootable, resulting in the error message.
  • Master Boot Record (MBR) Corruption: Damage to the Master Boot Record, a critical data structure on the boot device, can prevent the BIOS from initiating the boot process.

Troubleshoot and Repair Method for Reboot and Proper Boot Device Errors

1. Make sure the Boot Order is correct.

Reboot and Select Proper Boot Device problem can be fixed by verifying that the boot order is stated correctly in HDD as first choice, and then restarting your computer. Follow the procedures outlined below to put this strategy into action.

Step 1: Restarting your computer

Step 2: The BIOS menu can be opened while the system is booting back up by pressing the correct key. The model and manufacturer of the key may differ. There are four possible keys: ESC, Del, F 2, and F 1. Other computer manufacturers, such as Lenovo and Sony Vaio, have their own key layouts.

Step 3: Go to the boot tab in the BIOS menu.

Step 4: Use the + and – keys on your keyboard to rearrange the order of your computer’s boot sequence so that the hard disc is listed first.

Step 5: Finally, save your work by pressing the F10 key. Check to see if the issue of boot order has been resolved.

Step 6: This procedure can also be used if the Reboot and Select Proper Boot Device problem persists.

Method 2. Check the health of your hard drive

Make sure that your hard drive is functioning properly before trying to fix it. The hard drive might fail for a variety of reasons. Easy Recovery Essentials Automated Repair can be used to test this.

To get at the tool, look on the computer’s hard drive or random-access memory (RAM). To use this application, follow the instructions provided.

Step 1: Click on the provided link to begin downloading Easy Recovery Essentials.

Step 2:  burn the ISO image on a bootable DVD or USB drive and proceed as described in Step 1.

Step 3: Automated Repair is the third option that can be selected.

Step 4: Wait a few minutes for the process to complete before pressing the “proceed” button. The errors will be detected and reported by the automatic system. A hard disc or RAM will have it.

Restart your computer and see if there are any error messages on the screen. Go ahead and take the next steps if it’s still there.

Method 3: Remove the Legacy Boot Mode

Hard drive or RAM errors relating to booting and selecting a boot device, such as Reboot and Select Proper Boot Device, can also be caused by activating legacy boot mode in computers with UEFI mode rather than BIOS mode.

As a result, it is imperative that you turn off your computer’s legacy boot mode. Disable mode by following the instructions.

Step 1: Start your computer and use keys like Del, Esc, F12, F2 or F8 to access the BIOS.

Step 2: Using the arrow keys, travel to the start-up tab in the BIOS and select UEFI/Legacy Boot Priority.

Step 3: This is the third step, which is to press Enter and change the priority from BIOS to UEFI-only.

Step 4: Press the Enter key, followed by the F10 key, to save your BIOS settings.

Step 5: Once you’ve saved the adjustments, exit the UEFI menu.

Step 6: Finish with a restart and make sure everything is working properly

It is possible to use the disc partition method below if the boot priority is confined to UEFI only and error messages are displayed while trying to pick the right boot device.

Method 4: Disk Parts

Keep the Windows installation CD or a bootable USB drive on hand for this procedure. You’re ready to go as soon as you have a Windows USB bootable device. To fix the Reboot and Select Proper Boot Device problem, simply follow the on-screen instructions.

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

Step 2: Using the troubleshooting option that appears in the window, select Command Prompt from the drop-down menu.

Step 3: Enter the disc part in the and prompt.

Step 4: After executing the command above, select disc 0 once more and press enter.

Step 5: Enter list partitions and then press enter.

Step 6: Type “partition 1” and press “enter” once more. Press enter a second time after typing active.

It allows you to partition your computer’s hard drive. As a result, we hope you won’t have to worry about Reboot and Select Proper Boot Device again in the future.

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The “Reboot and Select Proper Boot Device” error message can be a source of frustration for computer users, but with a systematic approach to troubleshooting and problem-solving, it can be resolved effectively.

By understanding the underlying causes of the error and following the practical solutions outlined in this guide, users can restore their computer’s functionality and ensure smooth booting without encountering this error message again.

Whether it’s adjusting BIOS settings, checking hardware connections, or repairing the operating system, addressing the “Reboot and Select Proper Boot Device” error requires patience, attention to detail, and a willingness to explore various troubleshooting methods.

With the insights provided in this guide, users can navigate the complexities of boot device selection and maintain a stable and reliable computer system.


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