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  • APC

    The problem solvers

    Apr 18, 2022 6 minutes
    I’m trying to prep an old laptop for a Windows 11 upgrade. It’s compatible, but I’ve not used it in so long that when I go to Windows Update it tells me the current version has reached end of service.

    PC won’t post to BIOS

    I’ve had my computer since 2013: Intel i5-4670K, Gigabyte GA-Z87X-UDH3, 16GB Corsair Vengeance DDR3 1600MHz RAM (two 8GB sticks), housed in a Thermaltake case and powered by a CX Series 80 Plus Bronze CPU. When I try to boot, the PC turns on for about two seconds, then turns off and tries to reboot without success. I can’t even get into the BIOS.

    I’ve switched out the power supply, tried only one stick of memory, and switched out the CPU cooler to no avail. I suspect the motherboard is at fault, but nothing obvious shows on the board. Your advice would be appreciated. Paul LoGrasso

    Assuming you’ve already stripped the machine back to its core – booting with all

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