F
F
o
o
r
r
t
t
r
r
e
e
s
s
s
s
7
7
7
7
0
0
0
0
/
/
7
7
9
9
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
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
keyboard is defective.
It is very possible that your
Next
Yes
158
Open
A
