Having problems with your CMB T43 750 Notebook ?

Do you have to use the plug in for the laptop that has the square then between the wall plug in an the computer or can you use a plug in that dont have that square then


Answers :

If by "square between the wall plug," you mean the power adapter box in the middle of the power cord, then yes, a power adapter is required.   Laptops usually run on low voltage DC, whereas wall sockets are higher voltage AC, so the box is needed to do the conversion.  There are universal adapters available that may work for you, you just have to match the voltage, make sure the amperage is adequate, i.e., equal to or higher on the adapter than on the label on the laptop, and make sure the plug on the end of the cable of the adapter that plugs into the laptop is compatible. There are usually several "tips" so that you can attach the one that fits.   Finally, where the tip is attached to the cable, make sure the polarity matches the diagram on the laptop, usually right next to the hole where you plug it in.
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