The “Reboot and Select Proper Boot Device” error is a common issue that Windows users encounter when they try to start their computer.
This error occurs when your PC is unable to find a bootable device, such as a hard drive or SSD, containing the operating system.
It can be a frustrating experience, but don’t worry—there are several ways to fix it.
In this article, we’ll explain what this error means, why it occurs, and provide step-by-step solutions to resolve it.
Contents
What Does the “Reboot and Select Proper Boot Device” Error Mean?
The “Reboot and Select Proper Boot Device” error message indicates that your computer is unable to detect the bootable device or operating system required to start up.
This means that your PC’s BIOS/UEFI is unable to find a valid hard drive, SSD, or other bootable device containing the Windows operating system.
Common Symptoms of the Error:
- The error message “Reboot and Select Proper Boot Device or Insert Boot Media in Selected Boot Device and press a key” appears on a black screen.
- Your computer fails to load the Windows operating system and gets stuck in a boot loop.
- The PC does not respond to regular startup processes.
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What Causes the “Reboot and Select Proper Boot Device” Error?
Several factors can trigger this error, including:
- Incorrect Boot Order in BIOS/UEFI: The BIOS/UEFI may be set to boot from the wrong drive, causing the error.
- Loose or Damaged Cables: Loose, faulty, or damaged SATA or power cables can prevent the computer from detecting your hard drive or SSD.
- Corrupted or Missing Boot Files: If the boot files on your hard drive are corrupted or missing, your PC will not be able to boot.
- Faulty Hard Drive or SSD: A failing or malfunctioning hard drive or SSD can cause the error.
- MBR or GPT Corruption: The Master Boot Record (MBR) or GUID Partition Table (GPT) might be corrupted, making it difficult for the system to locate the operating system.
- Hardware Changes: Recent hardware changes, such as adding a new hard drive or SSD, can cause the error if not configured correctly.
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.
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.
Step 2 ⇒ Locate Legacy Boot and click on it.
Step 3 ⇒ Toggle its option to Enable if disabled or Disable if Enabled.
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.
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
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.
Preventing the “Reboot and Select Proper Boot Device” Error
- Regularly Check Cables: Ensure that all internal cables are securely connected to avoid connection issues.
- Keep Your System Updated: Regularly update your BIOS/UEFI and Windows to prevent compatibility issues.
- Monitor Hard Drive Health: Use tools like CrystalDiskInfo to monitor your hard drive or SSD’s health and replace it if it starts failing.
- Avoid Unnecessary Hardware Changes: Ensure that any new hardware components are properly installed and configured.
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Conclusion
The “Reboot and Select Proper Boot Device” error can be alarming, but it’s usually fixable with the methods outlined above.
Start with simple solutions like checking the boot order and reconnecting cables, and if necessary, proceed to more advanced troubleshooting steps like repairing the MBR or testing your hard drive.
FAQs About the “Reboot and Select Proper Boot Device” Error
1. What does the “Reboot and Select Proper Boot Device” error mean?
This error means that your computer is unable to find a bootable device, such as a hard drive or SSD, that contains the operating system.
2. How do I fix the “Reboot and Select Proper Boot Device” error?
You can fix the error by checking the boot order in BIOS/UEFI, reconnecting cables, repairing the MBR, or running the Automatic Repair tool.
3. Can a failing hard drive cause the boot device error?
Yes, a failing or malfunctioning hard drive or SSD can cause this error, as your system cannot access the necessary boot files.
4. Will resetting BIOS/UEFI fix the boot device error?
Resetting BIOS/UEFI to default settings can resolve configuration errors that might be causing the issue.
5. Is the error caused by a virus?
While viruses can corrupt boot files, this error is typically caused by hardware issues, incorrect boot order, or corrupted system files.
6. Can I fix the error without a Windows installation disk?
Yes, you can try resetting BIOS/UEFI, checking cables, or adjusting the boot order without a Windows installation disk. However, repairing the MBR or running Automatic Repair requires installation media.
7. How do I access BIOS/UEFI on my computer?
Restart your computer and press the appropriate key (F2, F10, Del, or Esc) repeatedly to enter BIOS/UEFI settings.
8. Can I use an external hard drive to fix the boot device error?
No, the external hard drive must contain a bootable version of Windows, and your BIOS/UEFI must be configured to boot from it.
9. Will I lose data while fixing the error?
If the hard drive itself is not damaged, you won’t lose data. However, it’s essential to back up your data regularly to avoid potential loss.
10. Should I contact a professional if the error persists?
Yes, if you’ve tried all troubleshooting methods and the error continues, consider seeking professional assistance.
