Question about HP Digital Projector sb21 Multimedia Projector

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Our HP 21 Digital projector has a green tint when we turn it on. We have a new computer and the monitor displays correctly. The HP21 is a 2004 model.

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  • 22 Answers

Hi it sounds like you have a ne missing on the VGA feed to your projector, try using a composite lead to see if it is the same it should be ok also you can try using the menu see if the white is white when menu is pressed if it is then it is the lead, it possible could be the VGA socket but i have never seen a faulty socket so unlikely.

Marc Engineer

Posted on Jun 17, 2009

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Turned on computer today and my screen is blue green, does not change using monitor buttons?


Sounds like you are using an analog standard VGA cable interface. Since the menu has the correct coloring, it is not the monitors fault. Check the connections of the video cable at each end to ensure they are tight and not kinked. If they are ok, try using a different video cable. If thew problem still exists after that, it is probably the video card in the computer.

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My hp pavillion dv7 1245dx screen has a red tint in the background?


Your lcd screen is bad. It's either the lcd screen or the video card inside the computer, but most likely the screen. You can isolate the problem by connecting an external monitor to the computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the computer. If the Borrowed monitor displays ok without the read and green tint then your video card inside the computer is good but your lcd screen is bad. If the Borrowed monitor displays the same red and green tint then the video card inside the computer is bad.

It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

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When i connect my projector to computer correctly it says no signal


Please perform thebelow steps :

You may follow these steps to connect the notebook to an Projector
1. Turn Off Computer.
2. Connect the monitor cable from the monitor to the monitor port on
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3. Connect the monitor to a power source and turn it on.
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1 Answer

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1 Answer

One's flashin it's power light, the other's image is green-ish


Hello,

It sounds like you have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of the monitor. If you are good at electronics repair/soldering you can usually fix the problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictures and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping.

I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of computer and printer support/repair

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2 Answers

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1 Answer

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A tinted image (whether green or another color) is almost always a symptom of a bad or damaged cable - or a loose cable connection. In your case, you'll likely need a new M1 to VGA cable (Part# SP-DVI-A-R).

Assuming that you've made sure that the cable connections are solid at both ends, there is a simple test to verify that this is a cable issue and not a costly projector issue. While the image is tinted green, open the menu. If the menu colors appear fine while the rest of the image is still tinted green it's the cable.

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1 Answer

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Depending on how old your monitor is, it may be htat one of the color "guns" is going out.

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