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S2721HGF, no HDMI2 signal from your device
Ever since I've gotten my new PC, which was about 3 months ago, I have had multiple problems where my monitor would just randomly shut down, and state “No HDMI2 signal from your device”. This has been going on for a while now, and now my monitor won't display anything except “No HDMI2 signal from your device, going into standby mode.” I've tried everything, I've powered down my PC, unplugged my HDMI and monitor power cable, and basically everything from videos, but for some reason nothing has worked. At this point, I don't know whether this is a monitor issue, cable issue, PC issue, or maybe just a me issue. I don't know what I did wrong, and I sure know that I spent a huge amount of money for a monitor and PC that simply doesn't work.
If you were wondering, I have a Dell 27 inch S2721HGF Gaming Monitor, and a pre-built Cyberpower PC, which has a Geforce RTX 4060.
RoHe
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June 23rd, 2024 21:07
Have you reseated HDMI cable connections at both ends?
Open the monitor's On Screen Display (OSD) and use the "joystick" on the back and set Input Source to HDMI1, assuming it's set to HDMI2 now. Once it's set to HDMI1, turn Auto Select off.
If that doesn't help, can you test the Dell monitor and its HDMI cable on a different PC (even on a laptop) or a different working monitor and its own HDMI cable on this PC?
At the least, try a different HDMI cable. Or try using a DP cable (be sure to change Input Source to DP, if you try a DP cable).
Any signs PC's CPU and/or video card is overheating? Are all PC and GPU fans working?
(edited)
kevinkoppel513
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August 18th, 2024 21:24
@RoHe Turned out the GPU was broken! Fan wasn't spinning. Thanks for your help.
RoHe
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August 19th, 2024 00:57
You're welcome. Glad you got it sorted...
GPU must have been seriously overheating, so no wonder you lost HDMI signal. Hope they replaced it under warranty.