https://blog.naver.com/dongtanpc/222305139425
팬 쿨러에 낀 찐득찐드한 먼지 제거하는 방법, 물세척
불량난 사타 케이블
선정리 안된 컴퓨터의 내부 상태
CPU 쿨러에 먼지
뜨거운 물을 부워서 칫솔로 털어내는 중
Collection of various computer repairs, including poor memory slots, sticky dust from CPU coolers, poor satar cable (pin damage), and missing RAM
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Dongtan Computer · 2021. 10. 14:37
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This computer has a symptom that memory is not recognized because the memory socket number 1 next to the CPU is defective. I've sealed it with a non-use sticker.
It's supposed to have two gigabytes of memory. Since there is only 1 memory slot that works normally, only 1 4 giga memory was installed.
This is the second computer. Sata data cable damaged, first left pin bent up => Replace with a new SATA cable
I can't see it well because it's covered from the outside. If you cut the lid off, you will see the cable bent inward as below.
The third computer was stocked with a CPU cooler with a lot of dust.
It's dust that doesn't fly away because it clumps with oil even if you dust it off outdoors.
As below, the dust is carpeted.
Even if you shake it off, the hardened dust on the surface won't come off.
Only the heat shield was washed in the sink.
Hot water comes off dirt better than cold water.
Boil water in a coffee pot to remove dirt.
Wipe off dust from side to side with a cleaning brush and drain outdoors with a compressor.
There's a lot of dust on the CPU fan, too.
The fourth computer was stocked with no memory. Usually, these problems occur a lot when the computer falls down or you can't reconnect after refitting the memory. Simply refit it and release it.
If the quantity of computers in stock is high, I'm confused if I don't manage the receipt well, so I have to attach the receipt to the computer case and manage it.
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