HP L2105tm User Guide

6  Connection instructions 
 CAUTION: Before installation, please make sure to power off the display and the computer. 
 
 
(Figure 3) 
 
○
1 Power cord  Connect one end of the power cord into the AC power connector on 
the rear of the display, and the other end to an electrical wall outlet. 
○2 VGA cable  Connect the signal cable: 
-  For analog operation use the VGA cable. Connect the VGA 
signal cable to the VGA connector on the rear of the PC. 
-  For digital operation use the DVI-D cable. Connect...

7 
Using the display 
 
Turning on the display 
Turn on the display before turning on the computer. When the power is on, the LED on the power 
button lights blue and the screen image will appear after about 10 seconds. If the LED doesnt light 
blue or no image appears, please verify if the display is properly connected. 
 
 
 
(Figure 4) 
 
Function controls 
 
1 MENU OSD function 
menu OSD off: Displays the OSD function menu 
OSD on: Confirm the OSD function option 
2 < Left/decrease 
button OSD off:...

8  Installing the Touch Driver (for Windows XP only) 
Insert the CD-ROM into the Computer CD-ROM drive. The CD menu is displayed (or open 
Windows Explorer and run the Touch_Driver_Setup.exe from the CD).   
 
 
Step 1: Click “Install Touch Driver for Microsoft Windows XP” from the CD menu 
NOTE: The monitor ships only with Windows XP touch drivers.   Touch drivers are not required 
for systems running Microsoft Windows 7 and Vista operating systems. 
 
Step 2: Click “Install” 
On Welcome installation...

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Step 3: Click “Finish” 
The driver setup installation is complete. 
 
 
 
Step 4: Click “Yes” 
After clicking Finish, the setup wizard will prompt you to reboot the computer. 
 
 
 
 
Once the system is restarted, the installation is complete. 
 
 

10 
 
Control of the Touch Function 
Note:  1.  Before using the touch function, make sure the USB cable is connected, the 
touch applications from the CD-ROM are installed if you are running Windows 
XP and the Windows operating system is started. 
2.  When the touch function is active, make sure there is no foreign object in the 
areas encircled in the figure below. 
 
 
 
(Figure 5) Make sure there is no foreign object in the encircled areas. 
 
The touch function may replace the mouse after you start...

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OSD selection 
 
Press the Menu button to activate the OSD function menu and continue pressing the Menu button to 
select an option from the 7 functions in the menu. Select the function you want to adjust on the OSD 
function menu and then press MENU to make adjustment. Please use  to adjust the screen to 
your desired status. After finishing the setting, press AUTO to exit the OSD screen. 
 
OSD Menu 
 
 
 Brightness/Contrast 
Brightness: Press < or > (○
2
 and ○3
 in Figure 4) to adjust the...

12 
 
 
 OSD CONTROL 
H.OSD POSITION: Controls the OSD menu’s horizontal position.
V.OSD POSITION: Controls the OSD menu’s vertical position. 
OSD TIMEOUT: Determines how long (in seconds) the OSD 
menu waits before closing automatically after no action has been 
performed. 
 OTHER 
LANGUAGE: OSD menu language selection: 
ENGLISH,DEUTSCH,FRANCAIS,ESPANOL,ITALIANO,POLSKI,
NEDERLANDS,PYCCKO. 
INPUT: Selects Analog (D-sub) or Digital (DVI-D) input. 
SPEAKER VOLUME: Adjusts the monitor loudspeaker output...

13 
Troubleshooting 
 
 
Problems Possible solutions 
Power LED doesnt light up. 
•  Check if the power switch is in the ON position 
•  Make sure the power cord is properly connected 
No screen image 
•  Check if the power switch is in the ON position 
•  Make sure the power cord is properly connected 
•  Make sure the signal cable is securely connected 
•  When the display is in use, it will automatically turn off to enter 
the power saving mode. Please press any key to see if the 
image resumes....

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Production Specifications 
 
LCD panel size 54.61 cm(21.5in ) 
DCR 3000:1 (typical) 
Viewing angle Horizontal 170°, vertical 160° (typical) 
Response time  5 ms (typical) 
Brightness 265 cd/m2 (typical) 
Input signal  Analog signal (D-sub); digital signal (DVI) 
Display color 16.7 M colors 
Frequency  24 ~ 83 kHz Horizontal, 50 ~ 76 Hz Vertical 
Optimum graphic 
resolution 
1920 x 1080(60Hz) 
Max Pixel clock  180 MHZ 
Tilt -5° ~ 20° 
Audio output  1W X 2 
Power supply AC: 100-240V ~ 50-60Hz; 
Power...

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Preset Modes 
 
Preset Pixel Horz 
Freq 
(kHz) Horz 
Polarity Vert 
Freq 
(Hz) Vert 
Polarity Pixel Clk 
(MHz) Source 
1   640 x 480   31.469   -  59.940  -  25.175   VGA  
2   720 x 400   31.469   -  70.087  +   28.322   VGA  
3   800 x 600   37.879   +   60.317  +   40.000   VESA  
4   1024 x 768   48.363   -  60.004  -  65.000   VESA  
5   1280 x 720   45.00   +   60.00  +   74.25   VESA/CEA-861D 
6   1280 x 960   60.00   ±   60.00  ±   108.000   VESA  
7   1280 x 1024  63.98   +   60.02  +...