Question PSU or MOBO

[D3XT3R1811]

Hi everybody, looking for a bit of advice. My daughters PC had just stopped working, when you turn it on the PC comes on for a second and all the fans spin but then turns off and then repeats on then off etc....... I've tested the psu and all voltages are present and correct, the PC does not post and No beeps. It's a corsair TX550M pay and an ASROCK HS97M pro mobo. I know it's not a high spec system but it suits her until a new one next year. Any advice/help would be appreciated.

 

[Aeacus]

Could be both. Or could be more.

At this point, you need 2nd, compatible system, where to test out all components individually, to see which still work. Components in question are: CPU, MoBo, RAM, GPU and PSU.

I've tested the psu and all voltages are present and correct

All this does, is like you turning on the car engine and when engine starts, you instantly assume that the car drives just fine, without ever doing the test drive.
So, no. Just turning on the PSU, without putting any load to it, doesn't mean PSU works fine.

What might have happened, is that the old PSU went belly up and since PSUs have magical ability to fry everything they are connected to, you can consider entire PC to be toast.

Your best bet is to haul PC to PC repair shop and pay them to diagnose the issue. If lucky, only PSU replacement is needed. If less lucky, PSU and MoBo replacement are needed. Even less luck means new PSU, MoBo and GPU. And worst case scenario means everything needs to be replaced, essentially meaning a new PC.

 

[D3XT3R1811]

Could be both. Or could be more.

At this point, you need 2nd, compatible system, where to test out all components individually, to see which still work. Components in question are: CPU, MoBo, RAM, GPU and PSU.



All this does, is like you turning on the car engine and when engine starts, you instantly assume that the car drives just fine, without ever doing the test drive.
So, no. Just turning on the PSU, without putting any load to it, doesn't mean PSU works fine.

What might have happened, is that the old PSU went belly up and since PSUs have magical ability to fry everything they are connected to, you can consider entire PC to be toast.

Your best bet is to haul PC to PC repair shop and pay them to diagnose the issue. If lucky, only PSU replacement is needed. If less lucky, PSU and MoBo replacement are needed. Even less luck means new PSU, MoBo and GPU. And worst case scenario means everything needs to be replaced, essentially meaning a new PC.

Many thanks for your response, I shall take all this info and look into it