Windows 10: Why am I having game crashes on a brand new pc?

It is a pre-built PC. Here are my specs, the manufacturer is CyberPowerPCIntel Core i9-14900KF 3.2GHz 24 CoresNVIDIA GeForce RTX 4070 Ti Super 16GB32GB DDR5 Ram2TB PCle Gen4 SSDWindows 11 Home 64-bitI bought this specific pre built PC off Amazon through CyberPower manufacturer and received it on April 12th. Nearly a month later, and a good bit of games have just been crashing. Examples are Tekken 8, which gives me a UE5 Fatal Error, Out of Video Memory error. Wuthering Waves gave me a UE4 Fatal Error recently. Ubisoft's new game Xdefiant and it's long lasting game Rainbow Six Siege just crashe

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Brand New Pc is Lagging and crashing

Lagging And apps and games crashing pc

Hello my brand new pc is lagging when i want to play a video on my video editor thats lagging a lot the same when i play roblox the hole game lagging, some time its crashing as i have many games, apps and popups open

how can i fix that,

i have tryed already reinstall roblox and video editor and remove help things for roblox but its not working

Thanks for reading this pls as you know why my pc is crashing and lagging pls typen a text!

 

Brand New High end gaming PC having Crashes for multiple games

Specs:

Rtx 4080 gpu

I9 12900k cpu

64gb ram

Watercooled system with 1200w powersupply

Msi Z790 motherboard

2 TB SSD

Ive recently aquired a brand new gaming PC but have encountered multiple crashes in multiple games (Red dead redemption 2/witcher 3/cyberpunk/kingdom come deliverence/hell let loose/etc...)

The games will boot up and run great for a time but typically within 10-20 minutes my games will crash

I've updated windows, updated drivers, tried lowering settings, checked temps (nothing above 72 for either CPU or GPU amongst many other fix attempts

3 things to note:

1. Playing a very old game like Left4Dead didn't crash in my limited time playing it

2. Using a streaming platform like OBS would often make my games crash faster

3. I have a secondary GPU that runs a screen I have inside my case that displays my gaming info (fps, wattage, etc)

Can someone please help, I can provide more info if needed.

 

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?