Question Monitor Not Detected After Bios Update

Dec 18, 2024
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I have an old gaming pc that desperately needed and upgrade. I have a ASUS prime 450M motherboard, and was going to upgrade my Ryzen 5 2600 to a Ryzen 5 5600X. After the install, I had no monitor input, which I learned (or thought) was due to my bios version being very old. I put my old cpu in to download the most recent update, in which I did, it stated I needed a system reset, in which I did, and have had no monitor detection since. I tried taking out the lithium battery, with the same result. What can I do?
 
Are you saying that you cant even get into bios now, no onscreen post at all?

Also, have you tried plugging the monitor cable into a different port, tried a different cable? ( what type of cable connection?
Have you tried a different monitor?
 
Are you saying that you cant even get into bios now, no onscreen post at all?

Also, have you tried plugging the monitor cable into a different port, tried a different cable? ( what type of cable connection?
Have you tried a different monitor?
I have tried 2 monitors, and they are both hdmi.