Fix: Acer Swift 3 laptop cannot boot from a USB flash drive

by Abdul Moiz
Abdul Moiz
Abdul Moiz
Abdul Moiz loves technology, fashion, photography, and business. His first love is technology and he loves talking about it. How does he chill? You are most likely to... read more
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  • Acer, Dell, and computers from other manufacturers sometimes fail to boot.
  • There is a workaround that can help you boot your computer.
  • If you can't boot from a USB drive, you can create an installation media and boot your computer.
Running Advanced Options on Acer computer

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If your computer stops working due to a compromised operating system or if it is a new computer that you are just setting up, you can use the bootable flash drive to install the operating system.

And if your Acer Swift 3 for some reason fails to boot, you can boot it using a bootable flash drive. What if your Acer Swift 3 fails to boot using USB? What do you do in this case?

You’ve reached the right place to know how to boot your Acer Swift 3 using USB.

What can I do if my Acer Swift 3 cannot boot from a USB flash drive?

1. Unplug all USB devices

Your Acer Swift 3 cannot boot from USB due to some interference, so unplug all USB devices, including the USB keyboard and mouse.

Now plug them in one by one and make sure all the USB devices don’t cause interference. Also, make sure your Acer Swift 3 works normally.

2. Change the boot order

  1. Restart your computer and press F2 to open the BIOS screen.
  2. Using the arrow keys, go to the Boot tab.BIOS Boot Menu page
  3. Change the boot order and make the USB the first boot device, then exit from that tab.
  4. Close the BIOS settings page by selecting Exit saving changes or Save Changes and exit.Saving the BIOS changes
  5. Restart your computer.

3. Turn on Legacy Boot

  1. Power on your PC.
  2. Press F2 to open the BIOS settings or press the Del key, as some Acer computers use the Del key to enter the BIOS settings page.
  3. Go to the Main tab.Selecting Main tab inside BIOS
  4. If the F12 Boot Menu setting is disabled, enable it.Enabling F12 boot menu
  5. Now, navigate to the Boot tab.
  6. Select Legacy from the Boot Mode drop-down menu.Selecting Legacy in the drop down
  7. Press Enter.
  8. Save the changes and exit the BIOS settings page.Saving the BIOS changes

4. Make the primary partition active

  1. Insert the Windows 11 installation disk into your computer.
  2. Select your language and region, then click Repair your computer to enter Advanced Startup Options.
  3. Now, click on Troubleshoot followed by Command Prompt.
  4. In the Command Prompt window, enter these commands:

diskpartRunning diskpart command using command prompt

select disk 0 The number 0 represents the system disk number.Running a command using the diskpart

list partition 1 The number 1 represents the system partition number.

active

If the primary partition was not set as active initially, then the Acer computers may show no bootable device. After following the above steps, the system partition will be set to active. Now restart your computer and check if the error persists.

5. Repair the faulty MBR

  1. Insert the Windows 11 installation disk into your computer.
  2. Select your language and region.
  3. Click on Repair your computer to access the Advanced Startup Options.
  4. Select Troubleshoot.Troubleshooting using the Advanced startup options
  5. Now, select the command prompt.Opening Command Prompt in Advanced Options
  6. Type the following commands separately in the order they are listed: Bootrec /fixmbr Bootrec /fixboot Bootrec /scanos Bootrec /rebuildbcd
  7. Restart your computer.
  8. Press Enter.

6. Use the SFC command

  1. As with resolutions two and three, open the Command Prompt from the Advanced Startup Options menu.
  2. Type the following command in the command prompt:

sfc /scannow /offbootdir=c: /offwindir=c:windowsUsing command prompt to run SFC scan

  1. If this didn’t help, use DISM scan instead and type the following command in the command prompt window: DISM.exe /Online /Cleanup-Image /RestoreHealthUsing Command prompt to run DISM scan
  2. If you are still facing the issue, try the following commands:

Dism /Image:C:offline /Cleanup-Image /RestoreHealth /Source:c:testmountwindowsRunning DISM scan using command prompt

Dism /Online /Cleanup-Image /RestoreHealth /Source:c:testmountwindows /LimitAccess

The above commands will scan your hard drive for file corruption and repair any corrupted files that are preventing Windows from booting up properly.

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Acer, Dell, and other computers from other manufacturers sometimes fail to boot. By updating the BIOS you can generally fix the issue.

But, if you are trying to update the BIOS using the USB flash drive and even if it fails then you can try other alternatives such as using the Windows installation media or you can create the installation media for yourself by downloading it from Microsoft Windows download page.

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