By Emily / Last Updated August 22, 2019

No bootable device found, please help!

"I have an Acer Aspire V3-371 Series laptop here and it cannot boot as it cannot find any Bootable device. I originally tried to reinstall Windows, that did not work. Now I am out of ideas what it could be and how to fix it." --- from dpreview forums

"When I turned on my computer it went to a black screen stating, No bootable device -- insert boot disk and press any key. I do not have a boot disk and am not sure what to do next." --- from windows10forums

No Bootable Device Found

Do you receive the error that says no bootable device found on your Acer desktop or laptop? If that is the case, keep reading to find out the reasons and solutions for no bootable device Acer in Windows 10, 8, 8.1 and 7.

What does it mean by no bootable device?

So what does the error message mean actually? It means that your computer does not find or detect a hard drive, solid state drive or other bootable drive to load the operating system. This issue can sometimes be caused by the following factors:

  • Incorrect boot order

  • Partition not set as active

  • Bad sectors on the primary hard drive

  • Hard disk failure or corrupted MBR

Highly-recommended solutions

In order to troubleshoot "no bootable device Acer" issue, you can try the following methods, which are highly-recommended by computer experts. These methods can also applied to no boot device Dell, HP ,or other branded computer.

Solution 1. Change the boot order

If you insert an unbootable disk or CD in the Acer computer and set it as a boot device, then you will encounter "no bootable device". Therefore, to ensure the computer start smoothly, you need to change the boot order and set the disk that loads the operating system as the bootable device.

To change the boot order, do as following:

Step 1. Press the Power button and keep pressing "F10" to enter "BIOS". (the key could be ESC, Delete, F1, F2, depending on which computer you are using)

Step 2. Press the arrow key on your keyboard to get "Boot" tab, and change the boot order settings to make Hard Drive as first boot device.

Step 3. Follow the instruction given to you in the BIOS utility to navigate to "Exit" tab.

Step 4. Locate and choose the "Exit Saving Changes" option to save the changes you made to the boot order.

Step 5. Follow the prompts to restart your computer.

If the issue is still unsolved, please check out the next solution.

Solution 2. Reset primary partition as active

If the primary partition is not set as "active", then the no bootable device in Acer will occur. So please reset your primary partition as active using the Diskpart and running some commands.

First, insert the Windows installation media (DVD disk or USB flash drive) and boot your computer from that, then under System Recovery Options or Troubleshoot, click Command Prompt, finally type the following commands in sequence and hit enter after each:

  • diskpart

  • select disk 0: 0 reprents the system disk number

  • list partition 1: 1 reprents the system partition number

  • active

Now, the system partition is set to active. Type "exit" and press Enter to exit diskpart and close Command Prompt. Then restart your computer and see if the error persists.

Solution 3. Repair corrupted boot files

The corrupted boot files on the Acer computers can be another important reason for the error being explained, such as the corrupted MBR. You can try to repair the MBR to get rid of no bootable device problem. Take these steps:

Step 1. Insert the boot disk into your computer and boot from it.

Step 2. Select the language and region, and then click "Repair your computer".

Step 3. In a Windows 10 (or Windows 8.1, Windows 8) installation media, select "Troubleshoot" and then "Command Prompt". In a Windows 7 installation media, in "System Recovery Options", select the first item and Windows 7 as the operating system, click "Next" and then "Command Prompt".

Step 4. In Command Prompt, type the following commands one by one and hit Enter after each one. (If you are asked whether you want to add a new installation to boot list, press Y and then hit Enter.)

  • bootrec /fixmbr

  • bootrec /fixboot

  • bootrec /scanos

  • bootrec /rebuildbcd

Step 5. Exit Command Prompt and restart your computer.

Besides, you can also run command "chkdsk c: /f /r /x" in the command prompt windows to check and fix bad sectors on the system hard drive.

Solution 4. Rebuild MBR directly

If 3rd method fails, you can try to rebuild the MBR via AOMEI Partition Assistant Standard which is a free but powerful disk/partition management tool. Next we will show you how to rebuild MBR via this freeware.

Before you do: connect an empty USB to a working computer, free download the software, install and run it to create a bootable USB using its Make Bootable Media Wizard.

Make Bootable Media

Note: The bootable USB will contain installed AOMEI Partition Assistant.

Then do as following:

Step 1. Insert the bootable USB into the computer with no bootable device error. Boot it from the USB by changing boot order in BIOS.

Step 2. You'll see loaded AOMEI Partition Assistant once login. Right click the system disk and select "Rebuild MBR".

Rebuild System Disk MBR

Step 3. Choose a proper MBR type for the current OS you are using.

Choose MBR Type

Step 4. Back to the main interface, click "Apply" to start rebuilding the MBR.

Apply

If your system partition is deleted accidentally, the no bootable device error message might pop out as well. For this cause, you can upgrade to AOMEI Partition Assistant Professional to recover deleted boot partitions.

Final words

After walking through this guide for no bootable device Acer problem, you will be able to deal with such issue effectively. If you need to fix a similar problem in Windows Server operating system, you can try AOMEI Partition Assistant Server.