HP L2151ws User Guide

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External Controls 
 
 
A Auto button  Automatically fine-tunes the image quality. 
B Menu button  Opens, selects, or exits the OSD menu.  
C – (minus) button  Navigates backward through the OSD menu and decreases adjustment levels. 
D + (plus) button Navigates forward through the OSD menu and increases adjustment levels. 
E Power button  Turns the monitor on or off. 
F Power LED 
 Fully powered = green 
Sleep mode = amber 
Sleep timer mode = flashing amber 
 
 
See Technical Support FAQs
 for more information. 
 
						

							12 
 
Settings 
 
Setting the Optimal Resolution 
The recommended resolution for this monitor is 1920 x 1080.To configure the monitor to this resolution, complete 
the setup procedure and make sure that the monitor is connected to the computer. Turn the monitor on and do the 
following: 
1 Click the Windows Start Button
®, and then click Control Panel. 
2 Under Appearance and Personalization, click Adjust Screen Resolution. 
3 Set the resolution slide bar to 1920 x 1080. 
 
 
NOTE: If 1920 x 1080 is not shown, download the monitor driver from the Web. See Using the Monitor for instructions.
 
Locking and Unlocking the OSD 
To change the lock status of the on-screen display (from locked to unlocked, or from unlocked to locked) press and 
hold the Menu button for 10 seconds while the monitor is on. If the OSD is locked, the message “OSD Lock” displays 
for 10 seconds. 
 
						

							13 
Adjusting On-Screen Display Settings 
Use the OSD menu to adjust the screen image and change settings. To access the OSD menu: 
1 If the monitor is not already on, press the Power button to turn the monitor on. 
2 Press the Menu button to activate the OSD menu. 
3 Press the – (minus) and + (plus) buttons to navigate through the functions. Once the desired function is 
highlighted, press the Menu button again to activate it. If the selected function has a sub-menu, it displays. 
Press – (minus) or + (plus) again to navigate through the sub-menu functions. Once the desired sub-function is 
highlighted, press the Menu button to activate it. 
4 Press – (minus) or + (plus) to change the settings of the selected function. 
5 To exit and save, select the Exit function. If you want to adjust another function, repeat steps 3–4. 
 
 
NOTE: If the buttons remain untouched for the time according to the OSD time out while displaying a menu, new 
adjustments will be saved and exit the menu. 
 
 
						

							14 
OSD Menu 
The table below shows the OSD menus and their functions at each level. 
OSD Menu Levels 
Level 1  Level 2  Level 3  Factory Preset 
Brightness Adjustment Scale   Y 
 Reset   
 Cancel   
  Save and Return     
Contrast Adjustment Scale   Y 
 Reset   
 Cancel   
  Save and Return     
Color 9300 K    
 6500 K  Y 
 sRGB   
 Custom Color Custom Color 
Adjustment 
Reset 
Cancel 
Save and Return  
 Reset    
 Cancel    
 
Save and Return     
Image Control  Auto Adjustment  “Adjusting” Message  Y 
 Clock Adjustment Scale Y 
  Clock Phase  Adjustment Scale  Y 
  Horizontal Position  Adjustment Scale  Y 
  Vertical Position  Adjustment Scale  Y 
 Custom Scaling Fill to Screen 
Fill to Aspect Ratio  
 Sharpness Adjustment 1~5 Y 
 Dynamic Contrast Ratio On / Off Selection Y 
 Cancel   
  Save and Return     
 
 
 
						

							15 
OSD Menu Levels (continued) 
Level 1  Level 2  Level 3  Factory Preset 
OSD Control  Horizontal OSD Position  Adjustment Scale  Y 
  Vertical OSD Position  Adjustment Scale  Y 
 OSD Transparency Adjustment Scale Y 
 OSD Timeout Adjustment Scale Y 
 Cancel   
  Save and Return     
Management  Power Saver  On / Off Selection  Y 
  Power on Recall  On / Off Selection  Y 
  Mode Display  On / Off Selection  Y 
 Monitor Status Top / Middle / Bottom /Off 
Selection  
  DDC/CI Support  On / Off Selection  Y 
 Bezel Power LED  On / Off Selection  Y 
  Sleep Timer  Timer Set Menu  Y 
 Cancel   
  Save and Return     
Language Deutsch     
 简体中文   
 繁体中文    
 日本語   
 English   English 
 Español    
 Français    
 Italiano    
 Nederlands    
 Português    
  Save and Return     
Information    
Factory Reset  Yes     
 No   
Source Control  DVI     
 VGA   
 
 
						

							16 
OSD Menu Levels (continued) 
Level 1  Level 2  Level 3  Factory Preset 
 Default DVI / VGA Selection Y 
 Auto-Switch Source On / Off Selection Y 
 Cancel 
  
 Save and Return 
  
Exit    
  
 
						

							17 
 
Installing Drivers and Using the Auto-Adjustment Feature 
 
Downloading Drivers and Software 
To download the latest version of drivers and software files from the HP Support Web site: 
1 Refer to: http://www.hp.com/support
 
2 Select your country/region. 
3 Select Download Drivers and Software. 
4 Enter the model number of your monitor. The software download pages for your monitor will be displayed. 
5 Download and install the driver and software files using the instructions in the download pages. 
 
Using the Auto-Adjustment Function 
Press the Auto button to optimize the screen performance for VGA (analog). 
If your monitor is using VGA (analog) input, auto-adjustment can correct the following image quality conditions: 
y Fuzzy or unclear focus 
y Ghosting, streaking, or shadowing effects 
y Faint vertical bars 
y Thin, horizontal scrolling lines 
y An off-center  picture 
 
						

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Technical Support FAQs 
 
Technical Support FAQs (Frequently Asked Questions) 
Problem & Question Possible Solutions 
Power LED is not on. y Make sure the Power button is on and the power adapter and cord are 
properly connected to a grounded power outlet and to the monitor. 
No Plug & Play. y In order for the Plug & Play feature of the monitor to work, you need a 
Plug & Play compatible computer and video card. Check with your 
computer manufacturer. 
y Check the monitor’s video cable and make sure none of the pins are 
bent. 
y Make sure the HP monitor drivers are installed (HP monitor drivers are 
available at: http://www.hp.com/support
) 
Picture is fuzzy and has ghosting 
shadowing problem. y Adjust the contrast and brightness controls. 
y Make sure you are not using an extension cable or switch box. We 
recommend plugging the monitor directly into the video card output 
connector on the back of your computer. 
y For VGA input, the auto-adjustment function may fix this problem. 
Picture bounces, flickers or wave 
pattern is present in the picture. y Move electrical devices that may cause electrical interference as far 
away from the monitor as possible. 
y Use the maximum refresh rate your monitor is capable of at the 
resolution you are using. 
Monitor is stuck in “Active Off-Mode”. y The computer power switch should be in the on position. 
y The computer video card should be snugly seated in its slot. 
y Make sure the monitor’s video cable is properly connected to the 
computer. 
y Inspect the monitor’s video cable and make sure none of the pins are 
bent. 
y Make sure your computer is operational by hitting the Caps Lock key 
on the keyboard while observing the Caps Lock LED. The LED should 
either turn on or off after hitting the Caps Lock key. 
 
 
						

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Technical Support FAQs (Frequently Asked Questions) (continued) 
Problem & Question Possible Solutions 
Missing one of the primary colors (red, 
green, or blue). y Inspect the monitor’s video cable and make sure that none of the pins 
are bent. 
y Make sure the monitor’s video cable is properly connected to the 
computer. 
Screen image is not centered or sized 
properly. y Adjust horizontal and vertical screen position. 
y For VGA input, the auto-adjustment function may fix this problem. 
Picture has color defects (white does 
not look white). y Adjust RGB color or select color temperature. 
Unable to set the monitor to the 
optimal resolution. y Make sure that the graphics card supports the optimal resolution             
(1920x1080). 
y Make sure that the latest supported driver is installed for the graphics 
card. For HP and Compaq systems, you can download the latest 
graphics driver for your system from: 
http://www.hp.com/support
 
y For other systems, refer to the Web site for your graphics card. 
 
 
						

							20 
 
Specifications 
 
All specifications represent the typical specifications provided by HP’s component manufacturers; actual 
performance may vary either higher or lower. 
 
L2151w/L2151ws 
Display Type  21.5 inches, TFT LCD  55 cm 
Viewable Image Size  21.5 inch diagonal  55 cm 
Tilt –5° to 20°  
Face Treatment  Antiglare polarizer with hard coating 
(select models only)  
Maximum Weight (unpacked)  6.83 lb.  3.1 kg 
Dimensions (including pedestal) 
  Height 
  Depth 
  Width  
14.17 inches 
7.09 inches 
20.28 inches  
360 mm 
180 mm 
515 mm 
Optimum Display Resolution  1920 x 1080 (60 Hz)   
Text Mode  720 x 400   
Dot Pitch  0.248 (H) x 0.248 (V) mm   
Horizontal Frequency  24 to 94 kHz   
Vertical Refresh Rate  48 to 76 Hz   
Power Consumption