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
RTC battery
NOTE: Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all
passwords and CMOS settings to be cleared.
Description Spare part number
RTC battery 481089-001
Before removing the RTC battery, 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.
4. Remove the battery (see
Battery on page 46).
5. Release the switch cover and keyboard (see
Switch cover and keyboard on page 62).
6. Use a fingernail or other tool to lift the RTC battery from the socket (1).
7. Remove the RTC battery from the socket on the system board (2).
Reverse this procedure to install the RTC battery.
Component replacement procedures 67