Lenovo Thinkpad T450 Cmos Battery Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          6 - 10 minutes

Sections

External Battery
1 step
Back Cover
2 steps
CMOS Battery
2 steps

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Introduction

Common CMOS battery failure symptoms include the following:

Constant beeping noise coming from the motherboardDate and time of the computer have been resetHardware drivers are missing or have disappearedCan’t connect to the InternetLaptop won’t boot up

If your device is experiencing any of the above symptoms, it may be time to replace the CMOS battery. Follow the instructions below to remove and replace the CMOS battery in the Lenovo ThinkPad T450 laptop.

What you need

Step 1

              External Battery

Using your hands, slide the two locking tabs away from each other to release the battery.
Slide the battery up and out of the device.

Using your hands, slide the two locking tabs away from each other to release the battery.

Slide the battery up and out of the device.

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Step 2

              Back Cover

Using the JIS #00 screwdriver, unscrew seven screws from the back cover.
These screws are not removable and will remain in the back cover.
Use the JIS #00 screwdriver to remove the single 2.8 mm screw from the back cover.

Using the JIS #00 screwdriver, unscrew seven screws from the back cover.

These screws are not removable and will remain in the back cover.

Use the JIS #00 screwdriver to remove the single 2.8 mm screw from the back cover.

Step 3

Insert a plastic opening tool into the edges of the laptop and work your way around the edges to pry off the back cover from the device.
Remove the back cover from the device.

Insert a plastic opening tool into the edges of the laptop and work your way around the edges to pry off the back cover from the device.

Remove the back cover from the device.

Step 4

              CMOS Battery

Using the plastic opening tool, disconnect the CMOS battery from the motherboard.

Using the plastic opening tool, disconnect the CMOS battery from the motherboard.

Step 5

Insert the plastic opening tool underneath the CMOS battery and pry it up and away from the motherboard.
When you reassemble your device, you may need to reapply adhesive to the back of the CMOS battery.

Insert the plastic opening tool underneath the CMOS battery and pry it up and away from the motherboard.

When you reassemble your device, you may need to reapply adhesive to the back of the CMOS battery.

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

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What you need#

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Introduction

What you need

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