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Hp z420 power cycling, then 4 beeps when PSU plug removed
I have an old hp z420 workstation. When I power it on, it just power cycles. When I disconnect the power cable there is 4 long beeps and a red light at the power button. I've tried all the troubleshooting steps and none have worked
The 4 red beeps should be an indication of a bad PSU, but I've already tried a new one and there's no difference
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ThinkPad X230 full bios backup
Hello, I need a full bios backup for the thinkpad x230, including the 4mb bios chip and the 8mb bios chip. Thanks
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