Sony PCG-GRX690K Manual

 before you remove or install a memory module. When installing a memory

module, do not open the module package until you are ready to install it. The package protects the module from
Electrostatic discharge (ESD). 

1.

Turn off the computer and all peripheral devices. 

2.

Disconnect the power cord, all cables, and remove the battery if it is installed. See "To remove the battery." 

3.

Wait for the computer to cool down. 

  

 The interior of the computer becomes extremely hot during operation. Wait at least one hour for the computer to

cool down before you remove the screws. 

4.

Use an appropriate screwdriver to loosen and remove the screws on the bottom of the computer. 

   

5.

Touch a metal object (such as the connector panel on the back of your computer) to discharge static electricity. 

6.

Remove the memory module by pulling out the tabs (see arrows No. 1), and pulling out the module in the
direction of arrow No. 2. See 

 for more information. 

1.

Remove the existing memory module from the computer. See 

2.

Remove the new memory module from its packaging, and install the memory module by sliding it into the open
slot at a 45-degree angle.