Full HD LCD Monitors | Troubleshooting en 49 |
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8Troubleshooting
Problem | Solution | |
No image displayed on screen | – | Check that the power cord of the monitor is |
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| securely connected into the wall outlet or grounded |
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| extension cable or strip. |
| – | Power switch should be in the ON position and the |
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| LED lit. |
| – | Check that the Brightness and/or Contrast |
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| adjustments of the display have not been turned |
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| down to minimum levels. |
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The message "Going to | – | The signal cable should be completely connected to |
Sleep" is displayed |
| the video card/computer. |
| – | The video card should be completely seated in its |
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| slot and the computer switched ON. |
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Display image is not | Push the down key to activate the Auto Adjust function. | |
centered, is too small, or too | - or - |
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large in the PC mode | Adjust the Frequency and Phase in the PC OSD submenu. | |
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Vertical or horizontal noise is | Push the down key to activate the Auto Adjust function. | |
present in the picture | - or - |
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| Adjust the Frequency and Phase in the PC OSD submenu. | |
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Incorrect colors | Select 5500°K, 6500°K, or 7500°K in the Color Tone | |
| menu. | |
| - or - |
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| Use the Reset function to reset to the default settings. | |
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The error message “Out of | PC is operating with either a resolution or timing mode | |
Range” is displayed | that is not supported by the monitor. Change the PC | |
| timing mode to one of the valid combinations below: | |
| – | 640 x 480; 60/72/75 Hz |
| – | 720 x 400; 70 Hz |
| – | 800 x 600; 60/75 Hz |
| – | 1024 x 768; 60/75 Hz |
| – | 1280 x 768; 60 Hz |
| – | 1280 x 960; 60 Hz |
| – | 1280 x 1024; 60/75 Hz |
| – | 1366 x 768; 60 Hz |
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Bosch Security Systems, Inc. | User’s Manual | F.01U.172.600 1.0 2010.10 |