No HDMI Signal

Associate
Joined
30 Sep 2024
Posts
1
Location
London
On a Gigabyte B450M S2H, I lost HDMI output where it was previously working.

Symptoms:

  • No HDMI input on the monitor (but the passive cable connection is detected)
  • Power is present
  • CPU and case fans are spinning up
  • Secondary SATA HD is spinning up with normal noises

Following Dr Google's suggestions, I tried:
  • Connect the HDMI cable to a different computer's HDMI output - works (so it's not a screen or HDMI cable issue)
  • Remove the CMOS battery for 30sec
  • Remove graphics card to force fallback to built-in motherboard graphics

None of these make any difference. I'd welcome any suggestions what I can do further to diagnose this issue.

Thank you very much!
 
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