I recently decided to replace the computer I've had for 4 years, buying every part but a GPU and HDD (these were relatively new anyway). The parts arrived, I built the new computer and realised since I already had 2 GPUs and HDDs in the old PC, I could keep the old computer as well.
Hours of building later, the new computer works fine and runs smoothly. I'm posting this thread off it now, it that's an indicator. The old one - I took it apart to clean and dust it, and haven't been able to get it to work again. The PC gets to the 'Starting Windows' screen, then reboots and asks whether I want to start Windows normally or diagnose the system failure, with both choices resulting in a reboot to the same screen.
Logically, the old PC should run fine - it was running exactly the same components until a few months ago when I added the second GPU and HDD that are now in the new PC.
The beep codes suggest it's a power supply failure, but I've since swapped out the PSU with the new one, and ditto with every other part bar motherboard and CPU, and the beep codes remain identical. Every swapped-out part from the old PC has been tested in the new PC and runs perfectly. I'm suspicious of a motherboard or CPU error because of this, but I don't know which because I don't want to have to replace the thermal paste when swapping the CPU. Can anyone shed some light on what's not working?
Specs:
New PC
CPU: Intel Xeon E3-1231-V3
Motherboard: Asus H97-Plus
RAM: Kingston HyperX Fury DDR3-1600 2x8GB
PSU: Corsair CS550W
GPU: Gigabyte Radeon HD 7770
Old PC
CPU: Intel i5-750
Motherboard: Gigabyte GA-P55M-UD2
RAM: Kingston DDR3-1333 4x2GB
PSU: PowerCase 550W
GPU: Gigabyte Radeon HD 5450
Hours of building later, the new computer works fine and runs smoothly. I'm posting this thread off it now, it that's an indicator. The old one - I took it apart to clean and dust it, and haven't been able to get it to work again. The PC gets to the 'Starting Windows' screen, then reboots and asks whether I want to start Windows normally or diagnose the system failure, with both choices resulting in a reboot to the same screen.
Logically, the old PC should run fine - it was running exactly the same components until a few months ago when I added the second GPU and HDD that are now in the new PC.
The beep codes suggest it's a power supply failure, but I've since swapped out the PSU with the new one, and ditto with every other part bar motherboard and CPU, and the beep codes remain identical. Every swapped-out part from the old PC has been tested in the new PC and runs perfectly. I'm suspicious of a motherboard or CPU error because of this, but I don't know which because I don't want to have to replace the thermal paste when swapping the CPU. Can anyone shed some light on what's not working?
Specs:
New PC
CPU: Intel Xeon E3-1231-V3
Motherboard: Asus H97-Plus
RAM: Kingston HyperX Fury DDR3-1600 2x8GB
PSU: Corsair CS550W
GPU: Gigabyte Radeon HD 7770
Old PC
CPU: Intel i5-750
Motherboard: Gigabyte GA-P55M-UD2
RAM: Kingston DDR3-1333 4x2GB
PSU: PowerCase 550W
GPU: Gigabyte Radeon HD 5450
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