Difficulty
Moderate
Steps
10
Time Required
8 minutes
Sections
3
- Bottom Cover
- 5 steps
- Battery
- 2 steps
- WLAN Module
- 3 steps
Flags
0
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Introduction
This component enables your laptop to connect to local area networks (via Wi-Fi) and to personal area networks (via Bluetooth). If you experience problems with Wi-Fi or Bluetooth, troubleshoot your device before considering replacing the WLAN module.
Only replace the WLAN module with a module that is authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you receive a warning message after replacing the module, remove the module to restore device functionality.
Shut down the laptop, disconnect all external devices, and unplug the AC adapter before beginning. Take the appropriate precautions if your battery is swollen.
What you need
Step 1
Bottom Cover
- Before you begin to remove the bottom cover, shut down the computer. Disconnect all external devices and unplug the AC adapter. Flip the laptop upside down.
- Use a Phillips #0 screwdriver to remove five screws from the bottom cover:
- Two 5.6 mm screws
- Each of these screws are beneath the two rubber feet on the rear side of the laptop (near the display hinges). You do not have to completely remove the rubber feet to remove the screws; simply peel the top of the feet to reveal the screws.
- Three 5.8 mm screws
- Throughout this repair, keep track of each screw size and location to avoid damaging your device.
Before you begin to remove the bottom cover, shut down the computer. Disconnect all external devices and unplug the AC adapter. Flip the laptop upside down.
Use a Phillips #0 screwdriver to remove five screws from the bottom cover:
Two 5.6 mm screws
Each of these screws are beneath the two rubber feet on the rear side of the laptop (near the display hinges). You do not have to completely remove the rubber feet to remove the screws; simply peel the top of the feet to reveal the screws.
Three 5.8 mm screws
Throughout this repair, keep track of each screw size and location to avoid damaging your device.
1024
Step 2
- Insert an opening tool into the space between the display hinges and the bottom cover.
- Firmly push the opening tool upwards to separate the bottom cover from these areas.
Insert an opening tool into the space between the display hinges and the bottom cover.
Firmly push the opening tool upwards to separate the bottom cover from these areas.
Step 3
- Insert your opening tool and firmly push the tool upwards along the rear edge.
Insert your opening tool and firmly push the tool upwards along the rear edge.
Step 4
- Use the opening tool again on the left and right sides.
- Start prying at the areas closer to the rear of the laptop (near the display hinges) before moving towards areas that are closer to the front of the laptop (away from the display hinges).
- Pry a little bit on the left side, then pry a little bit on the right side before prying more on the left side again. Working on both sides in this incremental fashion is easier than completely prying one side before starting the other side.
Use the opening tool again on the left and right sides.
Start prying at the areas closer to the rear of the laptop (near the display hinges) before moving towards areas that are closer to the front of the laptop (away from the display hinges).
Pry a little bit on the left side, then pry a little bit on the right side before prying more on the left side again. Working on both sides in this incremental fashion is easier than completely prying one side before starting the other side.
Step 5
- Lift the bottom cover upwards to remove it.
Lift the bottom cover upwards to remove it.
Step 6
Battery
- Use a Phillips #0 screwdriver to remove the five 5.7 mm screws that secure the battery.
Use a Phillips #0 screwdriver to remove the five 5.7 mm screws that secure the battery.
Step 7
- Pull the battery towards the front edge of the laptop to disconnect it from the 8-pin battery connector.
- Lift the disconnected battery upwards to remove it.
- Calibrate a newly-installed battery to help your laptop get an accurate battery percentage reading.
Pull the battery towards the front edge of the laptop to disconnect it from the 8-pin battery connector.
Lift the disconnected battery upwards to remove it.
Calibrate a newly-installed battery to help your laptop get an accurate battery percentage reading.
Step 8
WLAN Module
- Disconnect the WLAN antenna cables from the terminals on the WLAN module:
- Cable labeled “1/AUX” which connects to the “Aux” terminal
- Cable labeled “2/MAIN” which connects to the “Main” terminal
Disconnect the WLAN antenna cables from the terminals on the WLAN module:
Cable labeled “1/AUX” which connects to the “Aux” terminal
Cable labeled “2/MAIN” which connects to the “Main” terminal
Step 9
- Use a Phillips #0 screwdriver to remove the 3.0 mm screw that secures the WLAN module.
- Removing this screw will cause the WLAN module to tilt up.
Use a Phillips #0 screwdriver to remove the 3.0 mm screw that secures the WLAN module.
Removing this screw will cause the WLAN module to tilt up.
Step 10
- Pull the WLAN module away from the slot at the angle it rises from.
- Line up the notches on a new memory module with the slot. These notches are designed to prevent incorrect insertion.
Pull the WLAN module away from the slot at the angle it rises from.
Line up the notches on a new memory module with the slot. These notches are designed to prevent incorrect insertion.
To reassemble your device, follow these instructions in reverse order.
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Nathan Luu
Member since: 09/26/2022
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CSU Los Angeles, Team 6-4, Adachi Fall 2022
Member of CSU Los Angeles, Team 6-4, Adachi Fall 2022
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