1 Copper

Booth issue, power adpator

I got this message suprisingly"The AC adapter wattage and type cannot be determined. The battery may not charge. The system will adjust the performance to match the power available. Please connect a Dell 45W AC adapter or greater for the best system performance." I really want to know what is the maim cause of this error. I found everything (power adaptor and all the components ) working properly. I went to BIOS setting and set everything to defalut and found that PC is back on track. But as I said I really want to know the cause of this error.
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