submitted 1 week ago* (last edited 1 week ago) by Mycatiskai@lemmy.ca to c/buildapc@lemmy.world

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My 10 year old custom built computer is crashing a lot. I would like to use parts of it so I'm not blowing tons replacing everything.

The link for pc part picker has my current case, power supply, and CPU cooler which should all still be good to reuse. The other parts in that build are just ones I picked at random so are totally up for change.

Any suggestions would be appreciated. I would prefer to keep it under 1000 CAD. If you want to see my actual current build I will put it in a comment.

Edit: I am running Linux Mint Cinnamon as of now. The PSU was replaced in 2021

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[-] Nollij@sopuli.xyz 0 points 1 week ago

Without having any info on why your current PC is crashing, you run the risk of bringing the issues forward. A failing PSU is absolutely a cause of random and unexplainable issues. Bad cooling (usually dried thermal paste) would also cause it.

I would spend some time on diagnosing the cause first. Memtest and Prime 95 are good and simple starting points.

[-] Mycatiskai@lemmy.ca 0 points 1 week ago

I did replace the power supply is 2021 from the original Corsair Builder cx600 to the current Corsair RM650.

I have moved to Linux Mint with Windows support soon being discontinued, so I'm also learning how Linux works at the same time as dealing with crashes. I'll look into the themal paste as well since that is an easy thing to replace.

[-] sylver_dragon@lemmy.world 0 points 1 week ago

I’ll look into the themal paste as well since that is an easy thing to replace.

Just wanted to mention, because it's often overlooked, check the thermal paste on your GPU as well. My wife's system was crashing constantly in games and it was driving us crazy trying to figure out why. Then, I pulled the GPU cooler and found the thermal paste was more "powder" than "paste". Cleaned the old paste off, applied new paste, and the system ran like a dream for another year or so before she upgraded the GPU.

[-] Mycatiskai@lemmy.ca 1 points 1 week ago

So I got a tube of thermal paste and redid the GPU and CPU. It was pretty crusty on both, so far after about 30 mins running 8 different tabs of YouTube concurrently the fans barely turned on versus that crashing the computer after 5 mins.

I'll run some proper tests over the weekend. Do a bunch of benchmark tests on beyond all reason to see how them temp goes.

this post was submitted on 04 Aug 2025

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