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Boot error

Immediately following the latest Windows 10 update, I am getting an error message in a blue box on a black background:
"Default Boot Device Missing or Boot Failed
Insert Recovery Media and Hit any key
Then select 'Boot Manager' to choose a new Boot Device or Boot Recovery Media"

Can  anyone tell me how to recover my laptop?

FAQ & Answers

  • imacuserimacuser Posts: 7Member New User
    Not sure if im helpful or not but looks like u will need to reinstall windows
    U need to somehow save ur data. May be boot from external usb. Or take out ur disk and install in  a different pc to save data
  • BalatekieBalatekie Posts: 951ACE Pioneer
    Hi!!

    @HedyLamarr     

    You may receive the error "No Bootable Device" or "Default Boot Device Missing or Boot Failed" if your computer does not detect a hard drive, solid state drive, or other bootable drive to load the operating system. This can sometimes be caused by a change to settings in your BIOS or UEFI. Use the following steps to resolve this situation:

    1. Hold the power-button for 5 seconds to power off the device.
    2. Power on the system. As soon as the first logo screen appears, immediately press the F2 key, or the DEL key if you have a desktop, to enter the BIOS.
    3. Press F9 and then ENTER to load the default configuration. Press F10 to save your changes, and restart the system. Select Yes and press ENTER to confirm.

    Your system should boot up normally, If you are still experiencing a problem, please contact Acer support in your region for further assistance..

     :) If you think I've answered your question, please hit the Accept Answer:)

  • HedyLamarrHedyLamarr Posts: 2Member New User
    Thanks a lot. But still not working. One follow-up: should the boot mode be uefi? Could switching to legacy help? The model is aspire S7 392.
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