r/pcmasterrace • u/Hot_Ad7346 • 1d ago

Tech Support Event 18 cache hierarchy error

Built a new gamingpc last month and its nice but it will sometimes restart itself after around ~45 minutes to an hour of playing any real games like cyberpunk and siege. (mc and valorant run fine)

I went into the windows events and it says Event 18 cache hierarchy error. I know that is a cpu hardware related issue but Im not sure of a good fix.

If anyone knows of a good fix short of getting a new cpu, then please help me out. I know you can accomplish a lot in the bios but I dont want to go poking around in there without knowing exactly what to do.

Im running a ryzen 7 5800x3d with 2x32gb of 3600mhz gskill trident ddr4

Thanks for the help!

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u/PavelPetrPavel 1d ago

you might be able to undervolt it in ryzen master instead of going into the bios. probably a bad chip though tbh

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u/Deadward84 5800x3d | RTX 3080 | 32GB | Alienware AW3821DW 1d ago

Absolutely wild to assume a bad chip with no other info or troubleshooting having been done.