T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
111
Safety Handling Components Aid Appendix
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
LOCALIZE THE CAUSE
Errors can have simple causes, but sometimes they are caused by
faulty equipment. We would like to give you some tips to help
solve common problems. Should these instructions not lead to
success, please feel free to contact us.
CHECK CABLES AND CONNECTIONS
Visibly check all cables and connections. Should all lights be off,
check whether all equipment is supplied with power.
¾ In battery mode, connect the Notebook to the power adapter
and ensure that the battery is charged up.
¾ If you are operating the Notebook with the power adapter,
check the electrical socket, power cord and all switches in the
circuit of the electrical socket.
¾ Switch off the Notebook and check all cable connections.
Check the connections to peripherals. Do not exchange ca-
bles, even though they may look similar. The polarity in the
cables may be different. When it is confirmed that the Note-
book has power and all connections are correct, turn the
Notebook on again.
THE POWER ON SELF TEST (POST)
The Power On Self Test (POST) is executed during each boot
process to test the memory, motherboard, display, keyboard and
other components. If the Notebook does not pass the POST but
beeps several times, or if the screen remains blank, call your
Notebook support technician.
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