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This guide will help you to replace your CMOS battery; sized similarly to a watch battery, this powers the laptop's real-time clock, and when it fails your computer may have difficulty 'remembering' its hardware settings, causing issues with day-to-day use.
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Remove the eight 6 mm screws using a Phillips #0 screwdriver.
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Remove the two 11 mm screws using a Phillips #0 screwdriver.
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Pry the back cover off by inserting the plastic opening tool at the hinges and wedging it between the Back cover and the body.
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Follow along the back edge with the plastic opening tool, lifting the cover off as you go. It is normal to hear snapping/clicking sounds as the back cover is held on by clips.
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Remove the cover.
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Using the JIS #0 screwdriver unscrew the three battery screws.
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Lift up the battery from the long, bottom edge.
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Remove the battery from the laptop and place it nearby.
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Remove the red and black annotated cable, pulling white head out of black port as indicated.
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Ply the CMOS battery off with your finger.
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The battery is attached to the computer by adhesive, but should come off by pulling with fingers; plying tool should not be necessary.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Does this procedure reset the BIOS?
