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SubjectComputer Problem - notebook with projector. Reply to this message
Posted byTi-BOne
Posted on07/12/07 08:12 PM



Okay, trick question here: (work problem)

thereīs this notebook (HP Pavillion ze4430us) and this projector (Infocus LP280) both work fine (tested with other computer/projector/monitor/notebook) but doesnīt work with each other.

The projector keeps "searching" for signal and nothing appears on the big screen.
On Video properties, the driver (Radeon IGN 330M (i think)) finds the projector, and even shows the correct name and model of the projector.
But nothing i seem to do, can make it work togheter. I tried the notebook with the same cable (VGA-VGA) in 3 other projectors, and worked great on all of them. I tried 2 notebooks and 1 computer (desktop) on the projector, and worked great.
But togheter, the HP and the Infocus LP280 (have 2 of those in company) doesnīt work.
The problem is : I NEED TO MAKE THEM WORK TOGHETER.

I tried changing the refresh rate, the resolution, re-installing video drivers, nothing seems to fix it. I tried activating the second monitor in the video driver, and through the fN + f5 function. It doesnīt work. The projector behaves like thereīs no signal coming from the computer, but there is. If i take the cable off the infocus, and put on a (per example) DELL projector, it works.

I have no idea what else can be.
i matched resolutions, i matched refresh rates, i tried several actually, i tried leaving the image only on the project (turning off the notebook LCD display) no good.
The only i havenīt tried is changing the LCD display driver (but the radeon driver, i have updated)
no luck.

machine is running Win XP Pro + SP2 + IE7

any ideas that can help me out ?

i am seriously think of coming to work tomorrow and do a fresh windows install in it.
and if that doesnīt work, i may try the kicking technique.

i googled for about a hour, nothing came up.

please help a ca bro out ?

mucho thanks in advance.


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Entire Thread
Subject  Posted byPosted On
.Computer Problem - notebook with projector.  Ti-BOne07/12/07 08:12 PM
.*update  Ti-BOne07/13/07 04:34 PM
..*sorry for not reading your post *edit*  Pr3tty F1y07/13/07 07:47 PM
...*Re: sorry for not reading your post *edit*  Ti-BOne07/16/07 08:13 AM
.*Ok, i didn't read your whole post  Pr3tty F1y07/12/07 10:04 PM
..*am aware and tried that..  Ti-BOne07/13/07 07:34 AM
.*Had the same problem once  Cereal Killer07/12/07 09:17 PM
..*i think i tried that, but will try again... -nt-  Ti-BOne07/13/07 07:35 AM
.*Have you tried using it on a VGA switcher/splitter?  Death Knight07/12/07 08:40 PM
..*donīt have a vga spliter  Ti-BOne07/12/07 08:58 PM