BenQ XL2420T User Manual

51 Troubleshooting
No image can be seen.
Is the prompt on the display illuminated in green?
If the LED is illuminated in green and there is a message Out of Range on the screen, this
means you are using a display mode that this monitor does not support, please change the
setting to one of the supported mode. Please read the “Preset display modes” section from
the link "Adjusting the Screen Resolution".
Faint shadow from the static image displayed is visible on the screen.
• Activate the power management function to let your computer and monitor go into a low
power "sleep" mode when not actively in use.
• Use a screensaver to prevent the occurrence of image retention.
Is the prompt on the display illuminated in orange?
If the LED is illuminated in orange, the power management mode is active. Press any button on
the computer keyboard or move the mouse. If that does not help, check the signal cable
connectors. If any pin is bent or broken off, please contact your dealer to get necessary
support.
Is the prompt on the display not illuminated at all?
Check the power supply mains socket, the external power supply and the mains switch.
The image is distorted, flashes or flickers.
Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then
select the correct resolution, refresh rate and make adjustments based on these instructions.
You are running the monitor at its native resolution, but the image is still distorted.
Images from different input sources may appear distorted or stretched on the monitor running
at its native resolution. To have the optimal display performance of each type of input sources,
you can use the
Display Mode function to set a proper aspect ratio for the input sources. See
Display Mode on page 41 for details.
The image is displaced in one direction.
Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then
select the correct resolution, refresh rate and make adjustments based on these instructions.
The OSD controls are inaccessible.
To unlock the OSD controls when it is preset to be locked, press and hold any key for 10
second.

BenQ XL2420T Specifications

General

3D	Yes
Panel type	TN+Film
Pixel pitch	0.276 x 0.276 mm
Aspect ratio	16:9
Response time	2 ms
Display surface	-
Display diagonal	24 \
Display technology	LED
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	12000000:1
Contrast ratio (typical)	1000:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	170 °
Display brightness (typical)	350 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
Bandwidth	0.33 GHz
USB hub version	2.0
USB Type-A downstream ports quantity	4
Tilt angle range	-5 - 20 °
Cable lock slot type	Kensington
Number of OSD languages	17
Panel mounting interface	100 x 100 mm
Power consumption (standby)	- W
Power consumption (typical)	24 W
Power consumption (PowerSave)	0.5 W
Windows operating systems supported	Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64
Product color	Black
Market positioning	Gaming

Weight and Dimensions

Depth (without stand)	149.9 mm
Width (without stand)	571.4 mm
Height (without stand)	516.9 mm
Weight (without stand)	6100 g