Acer 521 Laptop User Manual


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Chapter 3 53
Removing the Hard Disk Drive Module
1. See “Removing the Battery Pack” on page 49.
2. See “Removing the Base Door” on page 51.
3. Detach the WLAN module antennas from the WLAN board.
4. Detach the 3G module antennas from the 3G board.
5. Remove the WLAN antennas from the cable channel.
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