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How To Check If Laptop Charger Is Working With Multimeter. Press the Esc key immediately once the laptop powers up. I use a multimeter.
How To Test Your Laptop Ac Power Adapter Using Multimeter from www.rushinformation.com
Multimeter to check laptop battery chargeFully charge your laptop battery with a Multimeter. Turn off the laptop. You can get a usb-c ammeter which will tell you what you already knowthe port is not drawing current but it wont tell you why.
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There is an updated video for this tutorial clic. On the other end of this DC-port will be two loose wires. If it uses negative polarity its the other way around black in the middle and red outside. Connect your laptop to the DC-in port check the size before purchase.
