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# Expanding Memory Capacity

You may need to expand the notebook memory for better performance.

For memory expansion, we recommend that you receive a paid service from a service center certified by LG Electronics. LG Electronics disclaims any responsibility for damage resulting from uncertified service or arbitrary disassembly.

## About Memory

This system uses a 204-pin, SO-DIMM (Small Outline Dual In-Line Memory Module)-type DDR3 SDRAM.

Each socket supports 1024 MB to 4096 MB, and the maximum capacity of the main board is 8 GB.

Memory of 4 GB or more is supported only in 64 bit O/S. 32 bit Windows Vista®, Windows® XP, and Windows® 7 do not support memory of 4 GB or more.

Tip:

- When expanding the memory, add a memory with the same specification (DDR3 SDRAM for 1.5 V). (Subject to change depending on model type)

- The DDR3 memory provides greatly improved transmission rate than existing memories, and is differently shaped.

CAUTION:

To upgrade the machine, turn off the system and disconnect the power cord and the battery.

- Disconnect the telephone line linked to the modem, if any. An electric shock or fire may occur.

Supported Memory

- PC3-8500 (1066 MHz) DDR3 SDRAM SO-DIMM

- PC3-10600 (1333 MHz) DDR3 SDRAM SO-DIMM

- PC3-12800 (1600 MHz) DDR3 SDRAM SO-DIMM

- Supported memories are different depending on the model. Make sure to check the memory type when you purchase memory.

- When you use two memory slots, make sure to use the memory from the same company.

- PC3-12800 (1600 MHz) DDR3 SDRAM SO-DIMM memory works at 1600 MHz only in models with Quad Core CPU. In models with Dual Core CPU, the memory works at 1333 MHz.

## Preparing Memory

Before purchasing memory, study the specifications and features of the current memory.

1. Rated Capacity: PC3-8500S(1066 MHz), 10600S(1333 MHz) or 12800S(1600 MHz) DDR3 SDRAM SO-DIMM

2. Type: 1 GB(1024 MB), 2 GB(2048 MB) or 4 GB(4096 MB)

## Replacing the Memory

Main board configuration, memory socket and memory type may differ by model.

1. Loosen the screws on the rear side of the notebook PC to remove the cover.

2. Insert the memories to be replaced into the memory socket.

3. Push the memory in the direction of the arrow until you hear a "click" sound.

4. After inserting the memory, fasten the cover with the screws.

5. If an error message related to the main memory capacity is displayed during booting after the memory is expanded, press `F2` key and save the settings.

Tip:

- Before remove the PC cover, turn off the AC power, and remove the battery and all peripherals. Then, disconnect the cable.

- Push till the memory is completely fixed in the lock.

- Check the memory capacity during the second booting. If the memory capacity is not correct, install the main memory again.

CAUTION:

- Use only the expandable main memory module manufactured by LG. Using a main memory module other than recommended products may cause malfunctioning of the notebook PC.