Chapter 1. Getting to Know Your Computer
cBattery pack
The battery pack provides power for the computer when no AC power source is available. If the AC adapter is connected to the computer, the battery pack is automatically charged. For details on “Using battery and AC adapter”, see page 28.
dBattery latch - manual
The manual battery latch is used to keep the battery pack secured. Move the manual battery latch to the unlocked position to insert or remove the battery pack. Move the manual latch to the locked position after inserting the battery pack.
eHard Disk Drive/ TV card (Specific models only) compartment
The hard disk drive and
ÂImportant:
Do not disassemble or replace the hard disk drive yourself! If you do need to, ask a Lenovo authorized service center or dealer to disassemble or replace it.
fCentral Processor Unit (CPU)/ Memory (RAM)/ Wireless LAN Card compartment
Central Processor Unit (CPU)
The CPU compartment provides space for the CPU and the radiator.
ÂImportant:
Do not replace the CPU yourself! Visit an authorized service center or retailer for replacing.
Memory (RAM) compartment
The memory compartment provides expansion capabilities for additional memory. The BIOS automatically detects the amount of memory in the system and configures CMOS accordingly during the
Notes:
(1)Only purchase expansion modules from authorized retailers of this computer to ensure maximum compatibility and reliability.
(2)If you only insert one memory card in the compartment, plug it into the slot near the mainboard.
Wireless LAN Card compartment
The wireless network card are secured in a compartment.
 Important:
Do not disassemble or replace the Wireless LAN card by yourself! If you do need to, ask a Lenovo authorized service center or dealer to disassemble or replace it.
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