Lenovo M5400 Touch Laptop User Guide - Lenovo B5400, M5400, M5400 Touch - Page 32

Troubleshooting, Sound problems, Battery problems, A hard disk drive problem, Boot Menu

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Chapter 4. Troubleshooting Sound problems No sound can be heard from the speakers even when the volume is turned up. • Make sure that: - The mute function is off. - The combo audio jack is not used. - The speakers are selected as the playback device. Battery problems Your computer shuts down before the power and battery status indicator shows empty. -orYour computer operates after the power and battery status indicator shows empty. • Reset the battery gauge using Lenovo Energy Management. If the problem persists, replace with a new battery pack. The computer does not • The surge protector in the battery might be active. operate with a fully charged Turn off the computer for one minute to reset the battery. protector; then turn on the computer again. A hard disk drive problem The hard disk drive does not work. • Make sure that the hard disk drive is included in the Boot Menu in the BIOS setup utility correctly. 26

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26
Chapter 4. Troubleshooting
Sound problems
No sound can be heard
from the speakers even
when the volume is turned
up.
• Make s
u
re
t
ha
t
:
- The m
ut
e f
u
nc
ti
on
i
s off.
- The combo a
u
d
i
o
j
ack
i
s no
t
u
sed.
- The speakers are selec
t
ed as
t
he playback de
vi
ce.
Battery problems
Your computer shuts down
before the power and
battery status indicator
shows empty.
-
or
-
Your computer operates
after the power and battery
status indicator shows
empty.
• Rese
t
t
he ba
tt
ery
g
a
ug
e
u
s
i
n
g
Leno
v
o
E
ner
g
y
Mana
g
emen
t
. If
t
he problem pers
i
s
t
s, replace w
it
h a
new ba
tt
ery pack.
The computer does not
operate with a fully charged
battery.
• The s
u
r
g
e pro
t
ec
t
or
i
n
t
he ba
tt
ery m
ig
h
t
be ac
tiv
e.
T
u
rn off
t
he comp
ut
er for one m
i
n
ut
e
t
o rese
t
t
he
pro
t
ec
t
or;
t
hen
tu
rn on
t
he comp
ut
er a
g
a
i
n.
A hard disk drive problem
The hard disk drive does
not work.
• Make s
u
re
t
ha
t
t
he hard d
i
sk dr
iv
e
i
s
i
ncl
u
ded
i
n
t
he
Boot Menu
i
n
t
he BIO
S
se
tu
p
uti
l
it
y correc
t
ly.