So I had built this PC around 5 years ago, and for the past year, it had been collecting dust in my storage. I decided to use it again, and started it, it did boot up once, and I installed a GPU I bought from ebay but it didn't boot after that. I even removed the GPU and tried, but it won't boot. It always starts, the fans start spinning and withing 2 to 3 seconds it shuts down, and tries to start again, this cycle keeps going on forever. I disassembled the whole thing to clean the dust and put it together, this time with a different case I had lying around. Same issue. First I thought it might be the ram, I bought another 8 gb stick and tried, didn't work. Then I read online it might be the Power supply, and since the EVGA GTX 760 I had installed might be a little too much for a 500W PSU, so I bought a 600W one and it still has the same issue.
I am now thinking it might be the motherboard or the Processor, but I am not sure. Both of them are expensive parts, so I want to be sure which part is not working to buy a replacement, any ideas what might be wrong here?
Specs:
CPU: i5 8400
Motherboard: Gigabyte B360M DS3H
Ram: 8GB Patriot Viper
SSD: 256gb Samsung SATA
HDD: WD 1TB
GPU: EVGA GTX 760
Old PSU: 500W Cooler Master lite (4 years old)
New PSU: 600W Thermaltake 80 Plus certified (brand new)
Case: Cooler Master Q300L
I am now thinking it might be the motherboard or the Processor, but I am not sure. Both of them are expensive parts, so I want to be sure which part is not working to buy a replacement, any ideas what might be wrong here?
Specs:
CPU: i5 8400
Motherboard: Gigabyte B360M DS3H
Ram: 8GB Patriot Viper
SSD: 256gb Samsung SATA
HDD: WD 1TB
GPU: EVGA GTX 760
Old PSU: 500W Cooler Master lite (4 years old)
New PSU: 600W Thermaltake 80 Plus certified (brand new)
Case: Cooler Master Q300L
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