Question Old Gaming PC Restarts within seconds and doesn't get to post

[BlacKcuD]

Hi everyone,

I have an older gaming PC that recycled to use as a desktop for my fiancee. It's an older model but it works fine (Nvidia 970, 16GB RAM, i5 processor) until a few days ago.

When you press the power button, some lights start blinking, all fans start to spin but after 2-3 seconds the PC shuts off again and restarts, endlessly rebooting. There is no Post and no beep sounds. The system restarts by itself before it can even get there.

Short video (no sound) of the issue:

https://imgur.com/a/XAu6ZPM

View: https://imgur.com/a/XAu6ZPM


Here is a list of things that I have tried:

• Remove/reseat RAM
• Remove/reseat graphics card
• Reset CMOS
• Get a new battery
• Bought a brand new PSU and tried with that
• Unplugged power button and reset button and booted using a screw driver
• Search this and other forums for answers but nothing I found has helped yet.

I am not a hardware person so I really have no idea what I am doing. The only two that I can think of before bringing the PC to a repair shop is removing it from the case? I haven't done that yet because I have little experience with these things and it would also require me to undo all the cable fasteners and probably remove several other components as well which sounds daring and like hours of work. I am grateful for any insights or further things I could try.

 

[rgd1101]

brand and model of the psu?

 

[BlacKcuD]

brand and model of the psu?

The current PSU is a fancy but very old Nesteq Xzero and I bought a brand new BeQuiet System Power 9 to test if it's the PSU (700W both) but in both cases the error persist. For me that means that it is not directly related to the PSU and the old PSU works just fine.

 

[rgd1101]

take the gpu out and test with igpu?