07-24-2018 06:24 AM
Re: Inspiron 3646 Power LED Blinking
Apologies, thinking of other Inspiron Desktop. Agreed, multiple AC adapters tested, same issue, most likely a motherboard fault. At a minimum, I would replace the CMOS battery and retest.
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Run the PC pre-Windows diagnostics
Run the Monitor Reset & BID (Built-in Diagnostics)
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