For the life of me I can't figure this thing out. A customer brought it into the shop saying it wouldn't boot one day, so we tested it and just got fans, no screen. Tried a new PSU, same issue. Tried a graphics card, same issue. Ordered a new mobo and installed it, same issue. Replaced the CPU, same issue.
I've tried running it with the motherboard out of the case (sitting on the box it came in), using a new PSU, a replacement CPU, and one stick of ram, while keeping all peripherals (including the hard drive, front usb panel, etc) unplugged, and starting it by connecting the power pins. Still the same issue.
I can't see it being a shorting issue that fried both motherboards since the other motherboard had been working fine until it stopped randomly. All the standoffs are installed correctly. The only things I can think of are A) the new motherboard was DOA (and happens to have the exact same symptoms as the last one!?) or B) the old PSU is faulty, fried the last mobo and the new one (since I originally installed the new motherboard using the old PSU since I thought it was just a bad mobo.)
I used two known-working monitors each time I changed something. Anyone have any ideas? I really don't want to have to return the motherboard as the customer already had to wait a while for this one to arrive.
I've tried running it with the motherboard out of the case (sitting on the box it came in), using a new PSU, a replacement CPU, and one stick of ram, while keeping all peripherals (including the hard drive, front usb panel, etc) unplugged, and starting it by connecting the power pins. Still the same issue.
I can't see it being a shorting issue that fried both motherboards since the other motherboard had been working fine until it stopped randomly. All the standoffs are installed correctly. The only things I can think of are A) the new motherboard was DOA (and happens to have the exact same symptoms as the last one!?) or B) the old PSU is faulty, fried the last mobo and the new one (since I originally installed the new motherboard using the old PSU since I thought it was just a bad mobo.)
I used two known-working monitors each time I changed something. Anyone have any ideas? I really don't want to have to return the motherboard as the customer already had to wait a while for this one to arrive.
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