Intermittent ' No Signal' message when gaming...

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Joined
11 May 2021
Posts
36
Location
UK
Hi

When gaming I occasionally get a 'No Signal' message flash up for a few seconds before returning me to the game I am playing, it then inevitably keeps repeating every 10 seconds or so. Generally a reset removes the problem for a while.

My perception is this only happens after the PC has been running for a while - for example if I have left it on through the day from the previous evening and then choose to game after work.

My PC doesn't get over 68 in temp - even when playing top end, with ultra graphics or when bitcoin mining.

Spec of my machine below - I have 2 Acer Predator monitors both connected DP to DP into the graphics card - when the no signal occurs it is only on the monitor with may game on - the otherone just carries on as normal - even if it is running Netflix etc.

I have uninstalled / reinstalled drivers.
I have changed to new cables

If you have any thoughts I would be pleased to hear them - PC is less than a year old

24GB ASUS NVIDIA GeForce Ampere RTX 3090 (1 x HDMI | 3 x DP) - RTX Enabled!
ASUS ROG STRIX B550-E GAMING DDR4 ATX MOTHERBOARD - AURA SYNC RGB READY! [WiFi Included]
1000W - ASUS ROG Strix Fully Modular 80+ Gold PSU
AMD Ryzen 9 3900X 12 Core CPU with Wraith Prism RGB Cooler [GPU Required]
GameMax Iceberg RGB Watercooler - 240mm
Corsair Black iCue 4000X RGB Mid Tower Windowed PC Case
32GB (2x16GB) Corsair Vengeance LPX DDR4 3000MHz - Black
RGB Kit (3x12cm Fans + LED Strip)
Arctic Silver 5 Thermal Compound
2TB Seagate Barracuda SATA III 3.5" Hard Drive 6GB/s
512GB M.2 PCI-E NVMe Solid State Drive [Up to 3500MB/s Read | Up to 2300MB/s Write]
Windows 11 Home 64 bit Operating System
ASUS PCE-AC88 AC3100 2167Mbps 802.11 a/b/g/n/ac
 
try a different screen I've seen that happen before then wired it to a tv and worked perfectly.

It happens the same if I switch the 2 monitors around - the problem just transfers to the other monitor.
This is the same if I switch the ports as well or just adjust the display position of the monitors leaving them in the same ports.

I have been unable to find anyone online having issues with Acer Predator monitors - so I'm unsure if it is an issue with them.
 
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