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August 3rd, 2025 13:37
XPS 8930, won't power up
I left my computer running, and a few hours later, it had shut down on its own. The power source (UPS supply) is working correctly, and the power wire is good as well. Is there a way to test the power supply to see if it is the culprit?
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JOcean
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August 3rd, 2025 13:53
Disconnect from the UPS and plug into the wall receptacle. If that does not help then press the test button on the PSU, assuming you have that button, and watch for the fans to spin up and the green light to come on. If you do not see that then the PSU is bad.