User Guide
170
F
F
o
o
r
r
t
t
r
r
e
e
s
s
s
s
9
9
1
1
0
0
0
0
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
Open 
A 
Continue 
Press <Ctrl> and <Alt> key at the same time, hold them 
and then press <Del> to reboot the system. 
Check if there is display? 
No 
Yes
Perhaps your VGA card 
or monitor is defective. 
Check if the system 
reboots? 
No 
It is very possible that your 
keyboard is defective. 
Yes
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