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Use this guide to replace the CMOS in the Acer Nitro 5 AN515-53-52FA laptop. Before doing this guide please make sure there is no external power connected and that nothing is on.
The CMOS battery is a separate small battery that keeps track of time regardless if things are powered on or off. A great indicator to when it needs a replacement is when the clock on your PC falls behind. When disposing the broken CMOS please dispose it by trusted source and not a false company.
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Flip the laptop upside down so that the bottom is facing up.
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Use the Phillips #0 screwdriver to unscrew the sixteen 9 mm screws holding the back cover in place.
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Use the opening pick to work your way around the edges to remove the bottom case carefully.
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Use the Phillips #0 screwdriver to unscrew the four 9 mm screws holding the battery in place.
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Disconnect the battery's motherboard connector with your fingers.
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Lift the battery up and out of the laptop.
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Locate the CMOS that is under the battery.
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Carefully pull the CMOS Battery, as there is adhesive keeping it attached.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.