TroubleshootingSymptom Charts/No Raster - 5
Symptom Charts
No Raster
No raster with LED on | 1 | Check monitor cable connections. Thumbscrews must be |
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| tightened securely. If a video card is used, the monitor |
| 2 | cable must be secured to the card. |
| Adjust brightness and contrast controls (see “User | |
| 3 | Adjustments” in Adjustments). |
| A screen saver may be activated. Move mouse or press any | |
| 4 | key to reactivate the screen. |
| The Energy Saver option may be on. Move mouse or press | |
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| any key on the keyboard to reactivate the display. The |
| 5 | display reactivates in about 20 seconds. |
| Some Macintosh computers may not wake up after Energy | |
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| Saver is activated. Restart computer and disable Energy |
| 6 | Saver. |
| Go to “Check High Voltage.” |
