Question about BenQ (200NSH-LAMP) Projector Lamp for PB6100, PB620

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No signal for my lcd projector

Got a mitubishi lcd projector today with no instructions. have the cable from my computer. have tried both ports computer in and monitor out ...power on no signal suggestions, not computer savy : )

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Re: no signal for my lcd projector

Have you tried replacing the projector lamp? This company has all the lamps in the world:

Posted on Apr 11, 2012

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Re: no signal for my lcd projector

You have to "Toggle" your PC to output the signal to the projector.

On which "F" key do you see "CRT/LCD" or a pictute that looks like a monitor?


Posted on Jan 18, 2008

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Have an infocus litepro 580, lamp and speakers works fine. Projector will only show the "infocus systems" opening display without changing to my video source. All cables are correctly in,...

Go into the settings menu of the projector and turn off the auto source function, then select the input that you are using.

if using a laptop you may have to simultaneously press your FN and relevant 'F' key to send the signal out to the projector. The 'F' key usually has an image of two side by side monitors or it says LCD/CRT. Wait a few seconds each time for the signal to be sent to the projector. Sometimes you may have to repeat this action 3 times to get the image on both your laptop and your projector.

good luck

Mar 08, 2011 | Projector Accessories

1 Answer


Hi LCD projectors have revolutionized the audiovisual industry. With a few clicks of the mouse and strokes of the keyboard, whatever you type on your computer appears instantly on a projection screen in real time. If you have never experimented with an LCD projector, however, do not worry. You can learn how to use an LCD projector.

  • Plug the LCD projector in to a power outlet. Completely plug the power cord in to the back of the LCD projector.
  • Step 2Use a VGA cable (usually a 15-pin male to male) to connect your computer to the LCD projector. Insert one end of the cable into the VGA connector (sometimes this connector is blue) in the back of your computer and do the same in the back of your LCD projector. If the LCD projector has more than one VGA connector, choose the one that says something like "line in" or "in from computer."
  • Step 3Power on your laptop. Turn on the LCD projector. It may take a couple of minutes to warm up. Open the computer file or document you wish to display. When you are ready to project your image, press "Function" (Fn) plus "F8." This combination of keys sends your computer's display to the LCD projector.
  • Aug 03, 2010 | BenQ (200NSH-LAMP) Projector Lamp for...

    1 Answer

    I get a blue screen on my misubishi sl1 projector lamp and no signal appears on the screen


    Make sure the Computer Input is set to VGA, Computer, or RGB (depending on which projector model you have).

    There are also known known hot-key combinations used to switch the laptop to its external VGA mode. If you are using a laptop.

    Check the cables as well if properly connected both on computer and projectors end.

    Hope this helps

    Apr 02, 2010 | Mitsubishi SL1 projector lamp Projector...

    2 Answers

    Sharp XG-E650UB LCD Projector

    Absolutely, they are designed to do so. You will need a svideo cable for video if your laptop doesn't have a parallel port for external monitor. Most projectors have svideo and parallel ports to use them as monitors. If using the external monitor option you select the alt/enter buttons to display on projector.

    Aug 07, 2009 | Sharp PROJECTOR LAMP, Projector Lamp FOR...

    1 Answer

    Philips DLP front view projector will not display my presentation

    Most modern computers don't care which is plugged in first and/or turned on first... But, it can't hurt to have them both plugged in, then turn on the projector - then the computer. If the computer doesn't send a signal automatically on bootup, then you will need to tell it to...

    On the function keys at the top of your laptop keyboard, there are some indications (most computer brands are different from one another so it might be one of several indications). Look for something that either looks like a small monitor or two, or label that says "crt/lcd" - this will be in a highlighted color that matches the color of your Fn key to the left of the spacebar. Fress "Fn" and the corresponding key at the top at the same time and you should get some changes from the computer. Depending on your video card, you might need to press it several times to cycle through the various settings of 1)computer screen, 2)display output only, 3)both computer screen & display output, and in some cases 4)no display sent.

    Hope this helps! If not, I would check/try new or different cables from the computer to the projector in case you might just have a bad one.

    Mar 11, 2009 | BenQ (200NSH-LAMP) Projector Lamp for...

    1 Answer

    Sim2 Seleco DLP SDV 100 Projector only giving white screen dimly.

    it's a resolution issue. make sure the projector matches the laptop's resolution. the projector has a 800x600 native and a 1024x768 max. and it's not digital.

    Mar 02, 2009 | SIM2 SDV100 projector lamp Projector Lamp

    1 Answer


    you can buy any vga cable at any electronics shop in your area. usually epsons pin configuration is just standard so any vga cable will do. also try to look for it in any computer surplus store (if theres any). LCD TV nowadays has a bundled vga cable that will work with your projector too.

    Jan 31, 2009 | Epson (ELPLP25H) Projector Lamp for...

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    Computer used to work with projector, and now doesn't?

    Have you tried pressing Fn F5? On my system (HP), by computer monitor goes dark when I connect the projector. Pressing (Function) FN F5 toggles the video between Computer Monitor, Projector, or Both.
    Check the function settings for your computer. On my Compaq laptop at home, the video function is F4, so there may be different settings for your computer.
    Good luck!

    Jan 10, 2009 | Projector Accessories

    1 Answer

    Nec projector vt590 doesn't project RED

    Red, Green, and Blue signals come from different wires in the VGA cable.  This sometimes happens if a cable simply is not connected fully.  But it will also happen if the cable is damaged.  The damage might be visible in the form of a bent, broken, or missing pin.  Or it might be internal to the cable.
    Try another cable.
    If that's not it, then the connector on either your computer or on the projector itself might be damaged.
    Also try another computer.
    Components inside the projector could also fail.  But I'd bet on a cable problem any day.

    Nov 24, 2008 | NEC (MTLAMP820/1020) Projector Lamp for...

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