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My Acer R7 laptop used to last for several hours on a single charge, but as of lately, I am lucky if it works for 30 minutes before needing to be plugged into a power source. Does anyone know how to determine whether or not the battery needs to be replaced?
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Brian,
In my experience, if the battery used to hold a charge, but won't hold a charge anymore your best option is to just replace it. Trying to figure out why it is not working is more trouble than it's worth.
For replacing the battery, try checking out the troubleshooting page here.
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