85
M
M
X
X
4
4
6
6
U
U
2
2
-
-
G
G
N
N
/
/
M
M
X
X
4
4
6
6
-
-
5
5
3
3
3
3
G
G
N
N
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
Check if the system
reboots?
No
Yes
