Введение
If the coin cell or CMOS battery of your Lenovo ThinkPad T480 begins to fail, follow this guide to replace it.
The CMOS or coin cell battery provides power to the CMOS (complementary metal oxide semiconductor) chip. Some signs of CMOS battery failure include: settings in the computer setup changing, the clock resetting, “Booting Error” messages, the laptop running slowly, or the laptop shutting down.
Prior to beginning this repair, be sure to disable the internal battery, shut down the laptop, and disconnect from the external power source.
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Using your fingers, slide the lock on each side of the battery to the unlocked position.
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Remove the battery from the slot.
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Insert the blue plastic opening tool into the space between the lower case and the chassis.
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Slide the opening tool around the perimeter of the case to release the clips holding the case and the chassis together.
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Remove the back case.
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Using the Phillips #1 screwdriver, remove the two 4.6 mm screws securing the internal battery to the frame.
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Use the spudger to slide the battery socket connector parallel to the motherboard and out of its socket on the motherboard.
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Using the black nylon spudger, wedge the battery up from the case and lift it out.
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Using an IC extractor or black nylon spudger, unplug the connector from the socket on the motherboard.
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Using the black nylon spudger, pry the coin cell battery off of the motherboard.
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To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
