1) My (home-built) PC crashed when playing a video. It got stuck on a frame and had crashed. So I switched it off using the front panel (hold down for 4 seconds). 2) It did not boot back to windows. It got stuck during the boot process. So I switched it off again. 3) Again I switched it on, the system alerted me that the "CPU clock speed had changed", and that I needed to go into the BIOS. So I followed the system direction. On entering the BIOS, the screen was fuzzy and frozen but I could see the CPU was now clocking 4 GHz. Not what it had been. I have been running this PC far more conservatively at about 3.2GHz. I switched it off again. 4) Now when I switch it on I get long beeps with intermittent silences, with no video output at all. nor is the network LED on the back I/O panel lit either. It always used to light.
The mobo is Gigabyte 78LMT-USB3, rev 4.1; PSU is EZcool 650W, Memory = 1 x 8gb 1gx64 DDR3 1600 UDIMM, cpu = 8 core AMD. Can't say any more about the CPU because it's too tricky to remove the fan to look at it. I bought this kit about 4½ years ago.
Q1: Is this clearly a motherboard fault?
Q2: Is it probably a mobo capacitor fault?
Q3: Could it be anything else?
Q4: Should I just replace the mobo,or is it worth testing the PSU too.
The mobo is Gigabyte 78LMT-USB3, rev 4.1; PSU is EZcool 650W, Memory = 1 x 8gb 1gx64 DDR3 1600 UDIMM, cpu = 8 core AMD. Can't say any more about the CPU because it's too tricky to remove the fan to look at it. I bought this kit about 4½ years ago.
Q1: Is this clearly a motherboard fault?
Q2: Is it probably a mobo capacitor fault?
Q3: Could it be anything else?
Q4: Should I just replace the mobo,or is it worth testing the PSU too.
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