Dell GX620 won't power on...amber light on Motherboard is on.
My Dell GX620 will not power on. Makes me think power supply,but the Aux Power light on the motherboard is still on. I know these power supplies (for this model, tend to go out, but is there anything else it could be? I don't want to buy a new PS unless I need to.
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You can test with an ATX PSU out side of your case, if the rig boot without problem you can be sure that is the PSU.