Laptop User Manual
Table Of Contents
- Product description
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures
- Preliminary replacement requirements
- Component replacement procedures
- Service tag
- Computer feet
- Battery
- SIM
- Bluetooth module
- Expansion memory module
- WLAN module
- Primary hard drive
- WWAN module
- Optical drive
- Switch cover and keyboard
- LED board
- RTC battery
- Secondary hard drive
- Primary memory module
- Display assembly
- Top cover
- Speaker
- System board
- ExpressCard assembly
- Modem module
- Fan
- Heat sink
- Computer Setup
- Specifications
- Computer specifications
- 12.1-inch, WXGA display specifications
- Hard drive specifications
- DVD-ROM Drive specifications
- DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications
- System DMA specifications
- System interrupt specifications
- System I/O address specifications
- System memory map specifications
- Screw listing
- Backup and recovery
- Connector pin assignments
- Power cord set requirements
- Recycling
- Index

Battery
Description Spare part number
9-cell, 83.0-Wh Li-ion battery 492550-001
6-cell, 55.0-Wh Li-ion battery 492549-001
3-cell, 31.0-Wh Li-ion battery 492548-001
Before disassembling the computer, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
Remove the battery:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Slide the battery release latches (1) to release the battery.
3. Remove the battery (2) from the computer.
Install the battery by inserting it into the battery bay until you hear a click.
46 Chapter 4 Removal and replacement procedures