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A personal computer that resides in one location with its core components inside a case separate to third-party peripherals required for operation, such as a mouse, keyboard, and monitor.

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Computer monitor, keyboard, and mouse are not working after override.

Asus Rog Strix B550-F Gaming

I went into BIOS/UEFI to change the boot to the SSD and it was not showing up. I went to boot override and selected the SSD not knowing the PC didn’t have boot partitioning. Now the monitor(showing no signal), keyboard, and mouse are not working while the computer is on, so I cannot get into BIOS to revert the changes. Anyone run into this before? I tried an HDMI instead and have two monitors.

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@joshkeaton96417 what make and model is the motherboard? Unplug SSD/HDD (any boot device) and see if your monitor will display anything.


It is a Asus Rog Strix B550-F Gaming. I will try to unplug the SSD and HDD.


@oldturkey03 still nothing. Tried a different keyboard. Removing gpu/reseating. using MB ports for display as well


@joshkeaton96417 try removing the RAM as well and see what is going on. It appears as if you may just have to reflash the BIOS. I don't think there is a CMOS reset on the motherboard. Let me see if I have a schematic for that board.


Check on something like this site You can get the BIOS from here


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Check all that all your power connectors are correctly attached and secure.

Look at page 2-12 in your motherboard manual.

You have a BIOS Flashback button and a BIOS Flashback USB port.

It is possible your BIOS is corrupted. Get a friend to help you if you can't download latest BIOS yourself.

Try reflashing and let us know how it goes.

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jkeaton63 zal eeuwig dankbaar zijn.

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