Installing SODIMMs
CAUTION:
You must disconnect the power cord and wait approximately 30 seconds for the power
to drain before adding or removing memory modules. Regardless of the power-on state, voltage is
always supplied to the memory modules as long as the computer is plugged into an active AC outlet.
Adding or removing memory modules while voltage is present may cause irreparable damage to the
memory modules or system board.
The memory module sockets have gold-plated metal contacts. When upgrading the memory, it is
important to use memory modules with gold-plated metal contacts to prevent corrosion and/or
oxidation resulting from having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a
grounded metal object. For more information, refer to
Electrostatic discharge information
on page 134
.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage
the module.
1.
Prepare the computer for disassembly (
Preparation for disassembly on page 19
).
2.
Open the top access door (
Opening the top access door on page 24
).
3.
To remove a SODIMM, press outward on the two latches on each side of the SODIMM
(1)
then
pull the SODIMM out of the socket
(2)
.
CAUTION:
Be careful not to pull the thermal pad off of the system board when removing the
memory module. If the thermal pad does come off, be sure to replace it.
42
Chapter 4 Removal and replacement procedures
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