I've just got back from an evening out to find that two of the DP ports on my Zotac Gaming RTX 4090 have stopped working. The bottom-most DisplayPort and the HDMI port still work, but the top two do not. It's late and I really don't need the hassle right now. I've tried the basics of switching cables around, noting that the missing monitors are not detected in Display Settings, and a reboot but I'm going to leave more strenuous troubleshooting until tomorrow. Before I start tomorrow, has anyone seen this behaviour before and if so, what was your solution?
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Two DP ports stopped working on my RTX 4090
- Thread starter Quartz
- Start date
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- Tags
- 4090 displayport rtx zotac
I got punked. More swapping of cables found that the problem is actually that one of my cables is failing and will transmit a 60 Hz signal but not a 120 Hz signal. The GPU got very confused by this.
I hope this helps someone down the line.
I hope this helps someone down the line.