Lenovo M5400 User Guide - Lenovo B5400, M5400, M5400 Touch - Page 41

Replacing memory

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Appendix A. CRU instructions Replacing memory You can increase the amount of memory in your computer by installing double data rate three synchronous dynamic random access memory (DDR3 SDRAM)-available as an option-in the memory slot of your computer. DDR3 SDRAM modules are available in various capacities. Note: Use only the memory types supported by your computer. If you incorrectly install optional memory, or install an unsupported memory type, a warning beep will sound when you try to start the computer. To install a DDR3 SDRAM module, 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 DDR3 SDRAM. Do not touch the contact edge of the DDR3 SDRAM module. 2 Turn off the computer. Disconnect the AC power adapter and all cables from the computer. 3 Close the computer display, and turn the computer over. 4 Remove the battery pack. For details, see "Replacing the battery pack" on page 28. 5 Remove the screws a , and then remove the bottom slot cover b . 1 1 1 2 2 35

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Appendix A. CRU instructions
35
Replacing memory
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Yo
u
can
i
ncrease
t
he amo
u
n
t
of memory
i
n yo
u
r comp
ut
er by
i
ns
t
all
i
n
g
do
u
ble da
t
a ra
t
e
t
hree synchrono
u
s dynam
i
c random access memory (DDR3
S
DRAM)-a
v
a
i
lable as an op
ti
on-
i
n
t
he memory slo
t
of yo
u
r comp
ut
er. DDR3
S
DRAM mod
u
les are a
v
a
i
lable
i
n
v
ar
i
o
u
s capac
iti
es.
To
i
ns
t
all a DDR3
S
DRAM mod
u
le, do
t
he follow
i
n
g
:
1
To
u
ch a me
t
al
t
able or a
g
ro
u
nded me
t
al ob
j
ec
t
t
o red
u
ce any s
t
a
ti
c
elec
t
r
i
c
it
y
i
n yo
u
r body, wh
i
ch co
u
ld dama
g
e
t
he DDR3
S
DRAM. Do no
t
t
o
u
ch
t
he con
t
ac
t
ed
g
e of
t
he DDR3
S
DRAM mod
u
le.
2
T
u
rn off
t
he comp
ut
er. D
i
sconnec
t
t
he AC power adap
t
er and all cables
from
t
he comp
ut
er.
3
Close
t
he comp
ut
er d
i
splay, and
tu
rn
t
he comp
ut
er o
v
er.
4
Remo
v
e
t
he ba
tt
ery pack. For de
t
a
i
ls, see “Replac
i
n
g
t
he ba
tt
ery pack” on
pa
g
e 28.
5
Remo
v
e
t
he screws
, and
t
hen remo
v
e
t
he bo
tt
om slo
t
co
v
er
.
Note:
Use only
t
he memory
t
ypes s
u
ppor
t
ed by yo
u
r comp
ut
er. If yo
u
i
ncorrec
t
ly
i
ns
t
all
op
ti
onal memory, or
i
ns
t
all an
u
ns
u
ppor
t
ed memory
t
ype, a warn
i
n
g
beep w
i
ll so
u
nd
when yo
u
t
ry
t
o s
t
ar
t
t
he comp
ut
er.
a
b
1
1
2
1
2