Lenovo G455 Lenovo G455/G555 UserGuide V1.0 - Page 40

Replacing memory, Turn off the computer. Disconnect the AC adapter and all cables from the computer.

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Chapter 6. Upgrading and replacing devices Replacing memory You can increase the amount of memory in your computer by installing a double data rate (DDR 2) small outline dual inline memory module (SO-DIMM)-available as an option-in the memory slot of your computer. SO-DIMMs are available in various capacities. Note: Use only the memory types supported by your computer. If you incorrectly install the optional memory or install an unsupported memory type, a warning beep will sound when you try to start the computer. To install an SO-DIMM, do the following: 1 Touch a metal table or a grounded metal object to reduce any static electricity in your body, which could damage the SO-DIMM. Do not touch the contact edge of the SO-DIMM. 2 Turn off the computer. Disconnect the AC adapter and all cables from the computer. 3 Close the computer display, and turn the computer over. 4 Remove the battery pack. 5 Remove the Memory/Wireless module/CPU (central processing unit) compartment cover. a. Remove the screws that secure the compartment cover a. b. Remove the compartment cover b. 11 1 2 32

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Chapter 6. Upgrading and replacing devices
Replacing memory
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
You can increase the amount of memory in your computer by installing a double data rate
(DDR 2) small outline dual inline memory module (SO-DIMM)-available as an option-in the
memory slot of your computer. SO-DIMMs are available in various capacities.
To install an SO-DIMM, do the following:
1
Touch a metal table or a grounded metal object to reduce any static electricity in your body,
which could damage the SO-DIMM. Do not touch the contact edge of the SO-DIMM.
2
Turn off the computer. Disconnect the AC adapter and all cables from the computer.
3
Close the computer display, and turn the computer over.
4
Remove the battery pack.
5
Remove the Memory/Wireless module/CPU (central processing unit) compartment cover.
a. Remove the screws that secure the compartment cover
.
b. Remove the compartment cover
.
Note:
Use only the memory types supported by your computer. If you incorrectly install the optional
memory or install an unsupported memory type, a warning beep will sound when you try to start the
computer.
a
b
2
1
1