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Troubleshooting: Dell™ 3100MP Projector
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 No image appears on the
screen
Partial, scrolling, or
incorrectly displayed image
The screen does not display
your presentation
Image is unstable or flickering
Image has vertical flickering
bar
Image is out of focus
The screen is outstretched when
displaying 16:9 DVD
Image is reversed
Lamp burns out or makes a
popping sound |
If you experience problems with your projector, see the following troubleshooting tips. If
the problem persists, contact Dell.
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| No image appears on the screen |
- If you are using a portable computer, press
  .
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- Ensure that the pins of the connectors are not bent or broken.
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- Ensure that the lens cap is removed and the projector is turned on.
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| Partial, scrolling, or incorrectly displayed image |
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- If you are using a desktop computer and the resolution of your computer is set higher
than 1024 x 768, follow the steps below to reset the resolution.
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- For Microsoft® Windows® 95, Windows 98, Windows 2000, and Windows XP:
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- Open the Control Panel, and then double click Display.
- Click the Settings tab.
- Verify that the resolution setting in Desktop Area is less than or
equal to 1024 x 768 resolution.
If the projector still does not display the image correctly, change the monitor display:
Follow steps 1 and 2. Click Advanced Properties.
- Click the Change button in the Monitor tab.
- Click Show all devices. Then click Standard monitor types
in the Manufacturer box; click to select the resolution mode you need in
the Models box.
- Verify that the resolution setting of the monitor display is less than or equal to 1024
x 768.
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- If you are using a portable computer:
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- Set the resolution of the computer.
- Press .
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- If you experience difficulty in changing resolutions or your monitor freezes, restart
all the equipment and the projector.
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| The screen does not display your presentation |
- If you are using a portable computer, press .
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| Image is unstable or flickering |
- Adjust the tracking in the OSD Image-II tab.
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- Change the monitor color setting on your computer.
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| Image has vertical flickering bar |
- Adjust the frequency in the OSD Image-II tab.
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- Check and reconfigure the display mode of your graphic card to make it compatible with
the projector.
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| Image is out of focus |
- Adjust the focus ring on the projector lens.
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- Ensure that the projection screen is within the required distance from the projector
(3.3ft [1m] to 39.4ft [12m]).
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| The screen is outstretched when displaying 16:9 DVD |
The projector automatically detects 16:9 DVD and adjusts the aspect ratio by
digitization to full screen with a 4:3 default setting.
If the projector is still outstretched, adjust the aspect ratio as follows: |
- If you are playing a 16:9 DVD, select 4:3 aspect ratio type on your DVD player.
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- If you cannot select 4:3 aspect ratio type on your DVD player, select 4:3 OSD function.
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| Image is reversed |
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| Lamp burns out or makes a popping sound |
- When the lamp reaches its end of life, it will burn out and may make a loud popping
sound. If this occurs, the projector will not turn back on until the lamp is replaced. To
replace the lamp, see "Changing the Lamp".
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