Lenovo E74 - Manual (Page 16)

US-8
TROUBLESHOOTING
Before contacting technical support, refer to this
section.
Refer to the operation instructions of your computer/
video adapter to ensure that you have the correct signal
output source for the monitor. Ensure that the switches
on the video adapter are set correctly for operation
with this monitor.
If the above steps fail to correct the problem contact
your dealer for servicing by qualified service
personnel.
TECHNICAL FEATURES
Preset modes
Mode
Re solution
(H x V)
V. Freq.
(Hz)
1 640 x 480 60 (VESA)
2 640 x 480 66 (VESA)
3 640 x 480 75 (VESA)
4 640 x 480 85 (VESA)
5 720 x 400 70 (Ind. Standard)
6 800 x 600 60 (VESA)
7 800 x 600 75 (VESA)
8 800 x 600 85 (VESA)
9 1024 x 768 60 (VESA)
10 1024 x 768 70 (VESA)
11 1024 x 768 75 (VESA)
12 1024 x 768 85 (VESA)
13 1280 x 1024 60 (VESA)
14 1152 x 864 75 (VESA)
Note for Windows users
For Windows users, check your graphics board manual
or the utility program which comes with graphics
board and select the highest available refresh rate to
maximize monitor performance.
Power Saving function
The monitor will be driven into “Power Saving” mode
by the control signal from the display controller,
as indicated by the amber-color power LED.
The power saving states will be kept until a control
signal has been detected or the keyboard or mouse is
activated. The recovery time from Active OFF state
back to ON state is around 10 seconds.
State
Power
Consumption
LED
Light
ON Normal Green
Active
OFF
< 3W Amber
Problem Check & Adjust
Blank screen ·
·
·
Monitor power switch,
power cord, signal cable,
or connector
Computer power switch
Brightness & contrast
controls
Display position
off-center
· Vertical centering &
horizontal phase controls
Display too small
or too large
· Vertical & horizontal size
controls
Display too bright
or too dim
· Brightness & contrast
controls