Question about InFocus LP640 Projector Multimedia Projector

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My InFocus LP640 Projector Multimedia Projector's light comes on but not splash screen appears. Just sits there

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Try reflashing the projector with current firmware, if that doesn't work, you nvram chip or main board is bad.

Posted on Aug 30, 2010

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1 Answer

Lamp for LP640 in focus projector gives off yellow color tint on screen


the blue polarizer is most likely damaged due to overheating and old age.

Jul 28, 2011 | InFocus LP640 Multimedia Projector

1 Answer

I have an Infocus LP640 projector, which hasnt been used in a couple years. When I plugged it in the speaker were making a clicking noise. After a couple minutes the clicking went away. Also, the...


sounds like the clicking may be the high voltage trying to ignite the lamp. when it does come on the picture is very bad. Did the lamp seem to shine very brightly through the fan vent when it did come on that time when the picture was dim.
How many hours has the lamp been used for.
Check the air filter for dust etc.
See if you can borrow a spare lamp, and test it in the machine

Jun 09, 2011 | InFocus LP640 Multimedia Projector

2 Answers

Infocus lp640 is broken. no lights. nothing.


Hello, If there is absolutely no sign of life at all just like it would look if it were unplugged...
The problem is a diode on the switching power supply at the rear of the projector. It's easy to fix if you know where it is. PS There is a 99.999% probability that the Diode is the problem and not a fuse..

Cheers

Nov 04, 2008 | InFocus LP640 Multimedia Projector

1 Answer

LP 640 projector not able to display 1080p


The specs of the LP640 show that the maximum resolution it can handle is 720p. You are trying to make the projector do something it cannot handle

Oct 02, 2007 | InFocus LP640 Projector Multimedia...

2 Answers

PowerPoint and Projector (InFocus LP640) Incompatability


I am unsure of this from your post, but don't try to hook the projector up to the laptop while either one of them is on. Power both the laptop and the projector off, hook up the projector to the laptop, then power on the projector first then the laptop. If you are already doing this, I apologize for stating the obvious.

Jul 03, 2007 | InFocus LP640 Projector Multimedia...

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