Table
Problem | Possible cause | Suggested action | Reference | |||
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Screen is blank | The monitor is in | v Press any key on the | “Understanding power | |||
and power | Standby/Suspend | keyboard or move the | management” on page | |||
indicator is | mode. | |||||
mouse to restore | ||||||
steady amber or |
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| operation. |
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flashing green |
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| v Check the Power |
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| Options settings on |
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The power | The video signal | Be sure the video cable is | “Connecting and turning | |||
indicator is | cable is loose or | connected with the | on your monitor” on | |||
green, but there | disconnected | system properly. | page | |||
is no image. | from the system |
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| or monitor. |
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| The monitor | Adjust the brightness and | “Adjusting your monitor | ||
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| brightness and | contrast setting on the | image” on page | ||
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| contrast are at | OSD menu. |
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| the lowest |
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| setting. |
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One or more of | This is a | If there are more than | Appendix A, “Service and | |||
the pixels appear | characteristic of | five pixels missing, | Support” on page | |||
discolored. | the LCD | contact the Customer |
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| technology and | Support Center. |
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| is not an LCD |
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| defect. |
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v | Fuzzy lines in | v | Image setup | Adjust the resolution | “Adjusting your monitor | |
| text or a |
| has not been | settings on your system | image” on page | |
| blurry image. |
| optimized. | to match the native | “Manual image setup” | |
v | Horizontal or | v | Your system | resolution for this | ||
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monitor: 1440 x 900 at 60 |
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| vertical lines |
| Display |
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| Hz. |
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| through the |
| Properties |
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| Perform automatic image | “Selecting a supported | |||
| image. |
| setting has | |||
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| not been | setup. If automatic image | display mode” on page | |
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| optimized. | setup does not help, | ||
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| perform manual image |
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| setup. |
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| When working in the | See the Advanced section | |
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| native resolution, you | of your system’s display | |
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| may find additional | properties. | |
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| improvements by |
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| adjusting the Dots Per |
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| Inch (DPI) setting on |
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| your system. |
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Manual image setup
If automatic image setup does not establish the image that you prefer, perform manual image setup.
Note: Have your monitor powered on for about 15 minutes, until the monitor warms up.
1.Press 
at the bottom of the monitor to open the OSD menu.
2.Use 
or 
to select 
and press 
to access.
3.Use 
or 
to select Clock and Phase adjustment.
v Clock (pixel frequency) adjusts the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical stripes and the picture does not have the correct width.
v Phase adjusts the phase of the pixel clock signal. With a wrong phase
adjustment, the picture has horizontal disturbances in light picture.
4. | When the image no longer looks distorted, save the Clock and Phase |
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| adjustments. |
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5. | Press | to leave the OSD menu. | |
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| Chapter 3. Reference information | |