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HDMI not working on Lenovo L15

Cris.py
By Cris.py
in Troubleshooting
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Posted

Hello!

 

I got a brand new Lenovo Thinkpad L15 (12th gen i5) and my HDMI does not work. 

 

When I plug a hdmi display, it detects the external display (but external display remains black) then after like 15 seconds it states there is no external display. Then it detects it again, and the cycle repeats.

 

External display works fine via USB C dock at the office, this only happens at home with my hdmi display. 

 

I have updated drivers, did a clean install, and I'm out of ideas.

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Posted

Did you role out the cable being bad with a different HDMI cable first?

GPU : RTX 3070 Gaming X TRIO | CPU : Ryzen 5 7600 \ COOLER : Deepcool AK620 | MOBO : ASUS TUF Gaming B650 Plus | RAM : Corsair Vengeance RGB DDR5 16GBx2 6200 MHz \ Storage : Samsung 970 EVO Plus M.2 1TB \ PSU : Corsair TX750M | CASE : Be Quite! Pure Base 500DX Black

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33 minutes ago, DontBeSillyWrapYourWilly said:

Did you role out the cable being bad with a different HDMI cable first?

Yes, I am currently using the cable with a different old laptop with no issues.

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Posted

Make sure the refresh rate of the monitor is detected correctly.

I had similar issues and I solved by using a DP to HDMI adapter cable. I suppose that some HDMI ports are more finicky than others.

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