Question about BenQ PB7220 XGA DLP Projector Multimedia Projector

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No signal on my Benq DLP projector

Hi there, i have a projector, i have tried connecting it to my laptop as well as various others. at first it gives the no signal alert. but then after some fine tuning with the display and resolution settings it comes right. can you please let me know on what the display settings should be and how i sort this problem out. because eachtime i have sorted the problem out it has been by complete accident.
Help me please

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  • Anonymous Nov 13, 2008

    no signal on my ACER DLP projector from laptop

  • BennyDingo Jan 21, 2009

    I have the same problem. I am using Vista and each time I close the laptop down I need to re jig the settings to get it to recognise the projector. but like previous person it is more luck than judgement that I get it right.

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SOURCE: no signal on my Benq DLP630 projector

please make sequences in switching on-turn your laptop on first and projector second-use fn key in combination of either f4-f5-f6-f7-confirm input signal selected(computer).

Posted on Jul 08, 2008

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SOURCE: I have a DLP Benq projector (not sure the model

go into the menu and reset the settings to factory default. after that, select computer again and see if it recognizes it. you may need to change the resolution to match the laptop.

Posted on Sep 09, 2009

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SOURCE: Hi there my benq dlp

This is caused by dust on the lens assembly. If you can remove the lens, clean the surfaces with a lens cloth. That should resolve the problem. It is possible that the there is dust in the optical pathway inside the unit as well. If the cleaning of the lens does not resolve the problem, the unit should be brought in for a professional cleaning. It is not suggested that anyone open up these units as there are fine adjustments that can be changed internally easily that could result in convergence problems.

Dan

Posted on Jan 29, 2010

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SOURCE: Benq MP 721 projector purple colour when it projects.

You are missing one of your primary colors and this is usually to a faulty pin where you are connecting your vga cable to. It could be either the pin on vga port of your projector or it could be the vga cable itself. Please look at the pins especially if you are using one cable to try with all the compputer.

Posted on Jun 05, 2010

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1 Answer

Frequency is out of range


What are you sending to the projector? The ES4 is a native S-VGA resolution machine. This means it has a 4:3 display panel with a pixel count of 800x600. It will accept higher resolutions, but there may be some combinations that are 16:9/16:10 that the projector isn't happy with; specifically 1080p @ 24/50/60Hz. It maxes out at 1080i 60Hz. So if you are connecting a laptop with a native resolution of 1920x1080 then the projector will struggle.

The other thing you should do once you get a signal working on the projector is to set the laptop output to the projector's native resolution. This will give the crispest image.

Toggle the laptop display (Fn + appropriate F key) so that laptop screen is off and the projector is the only thing getting a signal. Then right click on the Windows desktop area, and then select Graphics Properties from the sub menu. Change the settings from there.

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1 Answer

Frequency is out of range


What are you sending to the projector? The ES4 is a native S-VGA resolution machine. This means it has a 4:3 display panel with a pixel count of 800x600. It will accept higher resolutions, but there may be some combinations that are 16:9/16:10 that the projector isn't happy with; specifically 1080p @ 24/50/60Hz. It maxes out at 1080i 60Hz. So if you are connecting a laptop with a native resolution of 1920x1080 then the projector will struggle.

The other thing you should do once you get a signal working on the projector is to set the laptop output to the projector's native resolution. This will give the crispest image.

Toggle the laptop display (Fn + appropriate F key) so that laptop screen is off and the projector is the only thing getting a signal. Then right click on the Windows desktop area, and then select Graphics Properties from the sub menu. Change the settings from there..

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Hi!


No you don't need a driver, connect it using a VGA Cable, then press FN Key at the same time with Fkeys that has a monitor screen Icon on your keyboard.

Hope this helps.

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I am connecting the VGA cable but still no signal can u pl help


There are two things to try. One is on your laptop. Hit function 4 on your keyboard. You should pop into a screen that allows you to send signal out from your laptop to the projector. The other is to go into the menu on the projector and adjust it for either the port you are on or set it up for "auto-detect" When the menu comes up it should have a video section and then an input select. Your VGA inputs on the projector should be labeled something like VGA 1, VGA 2 or something like that identifying the ports. Then in the menu select that port. If these two things do not work give me another posting and we can get this fixed.

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try pressing FN on your keyboard then press F3 = FN+F3 at teh same time to project waht is in the laptop to the projector........

if not go to desktop right click anywhere select display properties it should give you the option to select the monitor and projectors detected by the laptop to show what is on you laptop as well posbbile u will need to either expand or if the option cloning will be present to have both show on the laptop and desktop ^_^

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Benq MP 721 projector purple colour when it projects.


You are missing one of your primary colors and this is usually to a faulty pin where you are connecting your vga cable to. It could be either the pin on vga port of your projector or it could be the vga cable itself. Please look at the pins especially if you are using one cable to try with all the compputer.

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1 Answer

How do I get the laptop screen to project when I


You can download the manual from the manufacturer's web site at
ftp://downloads.benq.net/projector/manuals/mp620-mp720/mp720-en.pdf

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1 Answer

I'm trying to connect my macbook pro to a Benq DLP projector. What cables do I need?


You will just need one Serial connector from your Laptop which goes to Benq DLP projector and your Speaker cables if u have one..

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