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My power went out and when it came back on and my computer came back on it said Reboot and Select proper boot device or Insert

My power went out and when it came back on and my computer came back on it said Reboot and Select proper boot device or Insert boot media in selected boot device and press a key. What do I do to fix it?
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  1. Go into your BIOS and select (and then save) the default boot device. Then try booting again.

    I would assume that if your BIOS settings were lost after a power outage, that you may need to replace the motherboard battery as well so that this doesn't happen again.
  2. Best answer
    If your power went out and came back on very quickly and/or went off and on sereral times very quickly it probably toasted your boot drive. I had that happen on a brand new build with a brand new SATA drive. I had just finished loading the OS and took a short break beforfe starting to install all my other software.

    Also note that SSD's have a problem with unexpected power outages that can cause drive corruption.

    The answer for the future is to use an uninterruptible power supply or UPS. If you have a lot of power outages also set your BIOS power options so that when the power goes off unexpectedly it doesn't automatically restart - it just stays off until you manually restart it.
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