I built my computer 8 months ago. 6 months later, the mouse pointer started lagging so bad it was unusable. I tried some fixes but nothing really helped. The next day, my computer didn't work. POST says it's the graphics card. Okay, I got a new one. It arrived today and I put it in. Nothing has changed. The fans on the old one worked, so it had power. Did I misread my beeps or do something else wrong. I know enough to build a pc, but not enough to troubleshoot it.
This is my motherboard. It doesn't have onboard graphics.
This is the old graphics card.
This is the new one.
Help!
As requested: 1 long beep, 3 short. No unusual flashing.
It powers on fine and everything appears to be working inside, but it does the beeps and doesn't show anything on the monitor.
This is the power supply.
Have you try cleaning RAMs and GPU? I changed my PSU and it wouldn't boot into bios with a led on the boot. End up just cleaning the connector of each RAM stick and it work like a charm.