How to Fix Boot Error "No Bootable Device" in Windows?

When using Windows and the error “No Bootable Device” occurs, it can provoke panic. This is a result of the computer not being able to locate the required files for startup. Such problems are caused by several factors, including hardware malfunctions, damaged boot records, and incorrect bios configuration among others. In this article, you will be provided with useful measures that will help you resolve the “No Bootable Device” issue and help your computer boot up again.

What are the Causes Behind No Bootable Device Error in Windows?

The Bootable Devices are the USB Driver where a certain OS is placed that will be launched when one device reboots. So, if the Windows Device doesn't recognize the Bootable Device, check if there is any problem with the device itself. If the USB Device is not functional, it is obvious that Windows will not accept the Booting Device.

However, if the USB Device is working properly, then there might be some issues with the Windows OS itself. There are numerous reasons behind the No Accessible Boot Device Error on Windows. Let us check the reasons.

• There are any faulty changes present in the BIOS Settings.
• The Boot Order of the BIOS is not working properly.
• The Disk Partition of the device is not active, became inactive somehow.
• There is no damage or malware infection on the drivers.
• The Master Boot Record needs to be fixed from the Boot Menu.

How to Fix No Bootable Device Error in Windows?

To fix the No Bootable Device Windows Error, the following guidelines should be executed in the same sequence. Let us start with the Simple Restarting Method.

Method 1: Restoring the Device

The simple & errorless way is to simply Restart the Device. Sometimes, the device fails to recognize the USB Device due to some internal conflicting processes going on.

If you simply Restart the Windows, the process will become conclude forcefully. Now, you can enter the Bootable USB Drive to check again. If the problem persists, then you need to go for the next method.

Method 2: By Changing the Boot Order

Step 1: Enter into the BIOS by pressing the Del Key multiple times when the device is restarting. Now, under the Boot Tab, make sure the Removal Devices should be at the first. To change the Boot Order, press the Plus Symbol (+) to move it to the upside.

Step 2: After that, press the F11 Key to save the changes. Now, click on the YES.

Method 3: By Fixing the Master Boot Record (MBR)

To Fix the No Bootable Device Error in Windows using MBR (Master Boot Record), you have to follow the given steps.

Step 1: In the Boot Menu, go for the Troubleshoot option.

Step 2: After that, click on the Advanced Options.

Step 3: Among many other options, click on the Command Prompt option.

Step 4: Execute the following command. The command will make the changes in the MBR to fix the issues.

Command: bootrec /fixmbr

Method 4: By Fixing the Corrupted Disk

Follow the given steps carefully to fix the No Bootable device error on your laptop or desktop -

Step 1: On the Search Bar, search for the Command Prompt & open the CMD.

Step 2: Execute the following command. This is the command that will check the health of the drive along with the disk. If there is any issue on the disk, it will automatically restore the problem.

Command: chkdsk C: /f

Method 5: By Activating Disk Partition

Disk Partition is another method to fix the No Bootable Device error in Windows -

Step 1: We have to again open the Command Prompt by searching it on the Search Bar.

Step 2: After that, execute the Diskpart Command in the CMD.

Step 3: Now, using the following command, we can select the Disk Partition. And using the Active Command, we can convert it into active mode from Inactive Mode.

Command: select volume <Volume Number>

Conclusion

Resolving the “No Bootable Device” error that occurs in Windows is very important especially if you want to make use of your computer again. Performing the troubleshooting steps discussed above helps to ascertain the cause of the problem and to take remedies. These include changing the BIOS setup parameters or using the installation disk to fix the damaged boot files so that you can make your machine function normally again. Do not allow booting issues to affect your work – do resolve all of them promptly.