your pc is very old it may be a bad psu or a faulty motherboard or overheating cpu remove every thing connected to the psu and motherboard including ram ,hdd cables , processor and reset every thing make sure u apply a good thermal paste and remove the old thermal paste by cleaning alcohol before resetting the cpu...
your pc is very old it may be a bad psu or a faulty motherboard or overheating cpu remove every thing connected to the psu and motherboard including ram ,hdd cables , processor and reset every thing make sure u apply a good thermal paste and remove the old thermal paste by cleaning alcohol before resetting the cpu...