Troubleshooting your projector – Dell Mobile Projector M900HD User Manual
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Troubleshooting Your Projector
If you experience problems with your projector, see the following 
troubleshooting tips. If the problem persists, contact Dell (see Contacting 
Dell™ on page 79). 
Problem
No image appears on the 
screen 
Fn
F8
CRT/LCD
Possible Solution
• Ensure that the projector is turned on. 
• Ensure that you have chosen the correct 
input source on the INPUT SOURCE 
menu. 
• Ensure the external graphics port is
enabled. If you are using a Dell laptop 
computer, press
(Fn+F8). For
other computers, see your respective 
documentation. If images are not 
displayed properly, please upgrade the 
video driver of your computer. For Dell 
computers, see support.dell.com. 
• Ensure that all the cables are securely
connected. See "Connecting Your 
Projector" on page 7. 
• Ensure that the pins of the connectors
are not bent or broken.
• Use Test Pattern in the Projector
Settings of the Advanced Settings 
menu. Ensure that the colors of the test 
pattern are correct. 
Troubleshooting Your Projector
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