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How to upgrade memory, remove back cover model no. 21-h010

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Have one with no power cord and I can't find one

Where can I find a power cord for it and how much will it cost

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Some extra details will be helpful. What is the model number of the device you need a power cord for? If it is an HP this may be laid out in plain text. The PN is also helpful if one is listed.

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These use the older power adapters from the laptops. It's probably 90-120W; look for a label with the voltage (should be 19.5V) and get the amps. You'll know for sure, with a calculator: V(Volts, 19.5 but verify to be sure)xA(amps)=W(Watts). Take the final number you got on your calculator, and find one that meets or exceeds the factory unit. The label is the BARE MINIMUM it needs.

There is no special adapter for these. HP uses the same laptop power adapters on these (and the lying "desktops" with a non-expandable Mini-ITX board) as a cost cutting measure.

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williamsandres03 将永远感激不已
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