Windows 10: My desktop started crashing a few days ago during gaming sessions.

Summary:After I cleaned my PC by removing dust from all the fans, after playing for an hour or so, the PC will randomly freeze and then proceed to reboot. This has occured for about 4-5 times in the past 2 days. I have checked that the cables are properly connected to the motherboard and PSU. It was assembled in September 2024.System Information:AMD Ryzen 7 7800X3D 4.2 GHz 8-Core ProcessorCPUMSI B650M GAMING PLUS WIFI Micro ATX AM5 Motherboard MSI B650M GAMING PLUS WIFI Micro ATX AM5 MotherboardMotherboard + PCIG.Skill Trident Z5 Neo RGB 48 GB 2 x 24 GB DDR5-6400 CL32 MemoryRAMSamsung 990 Pr

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all games crash!

I suggest you run rthdribl > http://www.daionet.gr.jp/~masa/archives/rthdribl_1_2.zip
Increase the window size step by step and watch your vga temps permanently.
What happens?
If it crashes, run at stock speeds as suggested before and retry.

P.S.: When your system locks, does the display signal turn off after a time?
Stuttering sound or no sound at all when freezing?
What X1800XT model do you own exactly?

 

all games crash!

ive watch my temps and both the cpu and gpu are within normal ranges. when it freezes it simply freezes the image and stops the sound. i must reboot to get back to windows.

 

my pc started lagging out of nowhere 2 days ago

im playing a game called lost ark and the lag started like 3 days ago when i was trying to do something in the game the sounds are like crashing and laggy basically doubles with echo cause the fps is really low so the sound is laggy aswell
please help!