Clevo W355SSQ Service Manual page 40

Disassembly
Removing the System Memory (RAM)
Figure 12
RAM Module
The computer has three memory sockets for 204 pin Small Outline Dual In-line (SO-DIMM) DDR3L type memory modules.
Removal
The total memory size is automatically detected by the POST routine once you turn on your computer.
a. The RAM modules will
Note that three SO-DIMMs are only supported by Quad-Core CPUs; Dual-Core CPUs support two SO-DIMMs maxi-
be visible at point 1
mum.
on the mainboard.
b. Pull the release lat-
Two primary memory sockets are located under component bay cover (the bottom case cover), and one secondary
ches.
memory sockets are located under the keyboard. If you are installing only two RAM modules then they should be in-
c. Remove the module.
stalled in the primary memory sockets under the component bay cover.
Primary System Memory Upgrade Process
1. Turn off the computer, turn it over and remove the battery
(page 2 -
2. The RAM modules will be visible at point

3. Gently pull the two release latches (
Contact Warning
arrows
Be careful not to touch 4. Pull the latches to release the second module if necessary.
the metal pins on the
module's connecting
edge. Even the cleanest a.
hands have oils which
can attract particles, and
degrade the module's
performance.

4. RAM Module
2 - 16 Removing the System Memory (RAM)
10).
&
2
(Figure 12b). The RAM module
1
(page 2 - 5) and remove the component bay cover
on the mainboard.
1
) on the sides of the memory socket in the direction indicated by the
3
will pop-up ( Figure 12c ) , and you can then remove it
4
b.
2
3
.
c.
4