I understand the PSU now, there is no problem with it either, I tried removing it from another PC and the result is the same...

I changed the cmos battery, I changed the ram but I don't know what the psu is. The bios ic was previously removed and the solders were tampered with, but there was also play in a capacitor at the bottom. I measured it with a meter and did not encounter any problems. I contacted the person I bought the pc from and he said it was done by the service 1 week ago, but I thought the bios software was gone because the bios ic was tampered with. Can I remove the integrated circuit and write the bios again?...

Hello brothers I am writing from Türkiye I have a problem I have a z440 I haven't used it for a long time but recently I wanted to turn on the device it asked me to press f10 from the bios screen I pressed f10 then the device worked normally then I wanted to turn it on again no image came on my computer the fans are working the display card is working but there is no beep sound it just turns on and after 10 minutes the processor fan is accelerating and working at full speed when I checked it the cooler is as cold as ice the fans are working very loud what is the reason for this when I did some...