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Posted on Jan 02, 2017
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'No signal' and 'unsupported signal' messages mean 1 of 2 things, either the VGA output is off(laptop) or the display resolution is set too high(laptop and desktop). Assuming the VGA cable you are using is good, try this:
Desktop: hook the computer back up too your computer monitor & set the computer to the basic VGA resolution. For windows XP, right click a blank area on the desktop, click 'properties' on the dropdown menu, click settings. Write down the numbers in the 'screen resolution' and 'color quality' boxes!
Drag the 'screen resolution' all the way down to then 'less' side. Then change the 'color quality' to the lowest setting. Click apply, then answer yes (the display will look UGLY - don't worry!!) Now connect your computer back to your projector. If it works, then the resolution you use on your desktop monitor is not supported on your projector. Experiment with different resolutions to see which one looks best on your projector. You will need to change the settings each time you switch monitor to projector.
Laptop: by default the VGA connector on your laptop is off. To turn it on, look for a blue symbol on one of your function (F1, F2, F3...) keys. It looks like an old TV with a line on both sides 'O' (F4 on HP) Press & hold the blue button (on the lower left of the keyboard, usually to the left of control ) and tap the bleu button you just found. Let go & give you're a computer a few seconds to change over. If the laptop screen goes blank, you found the correct button! The display image should now be visible. Repeat this 1 to 2 times to change it back to laptop display.
If you did not see the display on the projector, 2 other issues are possible. First, verify that the VGA output on the laptop is working - connect the laptop to a regular computer monitor & change the display resolution to the lowest settings (see desktop above), then try it again on the projector. If you cannot get an image on a computer monitor, your laptop settings may need to be adjusted in the same dialogue box as the settings. Monitor #1 is the laptop display, Monitor #2 is the external output.
Happy viewing :)
Jun 12, 2011 | Epson PowerLite S3 Multimedia Projector
Control Panel: Display: Appearance tab: Advanced button
Control Panel: Display: Appearance tab: Advanced Appearance dialog box
To open the Ease of Access Center, select:
Apr 19, 2011 | Computers & Internet
1. Make sure your computer is off.
2. Turn on computer then tap F8 repeatedly once per second. Similarly, Windows advanced options menu should be up on you screen.
3. use arrow keys to highlight "safe mode".
4. press enter twice.
5. log on to your user profile
6. you will get a window asking you to press "yes" or "no". CLICK the YES button.
7. perform the next steps below according to your windows version (operating system)
In Windows XP
Jan 16, 2011 | Acer X193W LCD Monitor
Oct 17, 2010 | LG Flatron 776FM 17" CRT Monitor
Jul 07, 2010 | Dell Dimension 4700 PC Desktop
Aug 11, 2009 | Computers & Internet
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