Difficulty
Moderate
Steps
16
Time Required
40 - 50 minutes
Sections
5
- Bottom Cover
- 3 steps
- Battery
- 2 steps
- Speaker
- 5 steps
- SD Card Reader/Audio Card
- 4 steps
- Coin Cell Battery
- 2 steps
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Introduction
A coin cell battery, also called a CMOS battery, is responsible for remembering specific information such as the computer’s date, time, and BIOS settings when the laptop is turned off.
When the coin cell battery fails, an error message will appear when you power on your laptop.
Make sure to disable the internal battery, power down your device, and disconnect from any external power sources before you begin.
What you need
Step 1
Bottom Cover
- Disable the battery, power down the device, and unplug the power adapter from your device before proceeding/beginning the guide.
- Loosen the six captive screws with a Phillips #1 screwdriver.
Disable the battery, power down the device, and unplug the power adapter from your device before proceeding/beginning the guide.
Loosen the six captive screws with a Phillips #1 screwdriver.
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Step 2
- Remove the bottom cover with an opening tool.
- Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped.
Remove the bottom cover with an opening tool.
Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped.
Step 3
- Lift the bottom cover off.
Lift the bottom cover off.
Step 4
Battery
- Use the Phillips #1 screwdriver to remove four 4.5mm screws that hold the battery down to the mid frame.
Use the Phillips #1 screwdriver to remove four 4.5mm screws that hold the battery down to the mid frame.
Step 5
- Lift the battery near the connector and remove it from the system.
Lift the battery near the connector and remove it from the system.
Step 6
Speaker
- Disconnect the speaker cable from the motherboard using a connector puller or spudger.
Disconnect the speaker cable from the motherboard using a connector puller or spudger.
Step 7
- Using a Phillips #1 screwdriver, remove two 4.8 mm screws from the speaker on the right side.
Using a Phillips #1 screwdriver, remove two 4.8 mm screws from the speaker on the right side.
Step 8
- Using a Phillips #1 screwdriver, remove two 4.8 mm screws from the speaker on the left side.
Using a Phillips #1 screwdriver, remove two 4.8 mm screws from the speaker on the left side.
Step 9
- Use the spudger to disconnect the hall sensor connector.
Use the spudger to disconnect the hall sensor connector.
Step 10
- Lift the speakers up.
- Disconnect the cable speakers from the routing.
- Remove the speakers from the system.
Lift the speakers up.
Disconnect the cable speakers from the routing.
Remove the speakers from the system.
Step 11
SD Card Reader/Audio Card
- Use a spudger to lift up the retaining flap on the SD card reader/audio card connector.
Use a spudger to lift up the retaining flap on the SD card reader/audio card connector.
Step 12
- Use the spudger to remove the cable from the connector.
- The cable is attached to the board with adhesive so you will need to peel the cable up.
Use the spudger to remove the cable from the connector.
The cable is attached to the board with adhesive so you will need to peel the cable up.
Step 13
- Use the Phillips #1 screwdriver to remove two 3.1 mm screws from the card.
Use the Phillips #1 screwdriver to remove two 3.1 mm screws from the card.
Step 14
- Lift the SD card reader/audio card from the system by sliding it out from the socket.
- You will need to slide the audio card ribbon cable under the coin cell battery cable to remove the SD card reader from the system.
Lift the SD card reader/audio card from the system by sliding it out from the socket.
You will need to slide the audio card ribbon cable under the coin cell battery cable to remove the SD card reader from the system.
Step 15
Coin Cell Battery
- Use a connector puller or spudger to disconnect the coin cell cable from the system board.
Use a connector puller or spudger to disconnect the coin cell cable from the system board.
Step 16
- Use the spudger to pry the coin cell battery up from the frame.
- When reassembling, you may need to apply adhesive to the battery so it sticks to the motherboard.
Use the spudger to pry the coin cell battery up from the frame.
When reassembling, you may need to apply adhesive to the battery so it sticks to the motherboard.
To reassemble your device, follow these instructions 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.
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