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0
votes
1answer
172 views

lowest achievable watts for decent resolution display?

I have an unusual question. The scenario is onboard computing / entertainment for a live aboard boat with a very tight energy budget. I'm trying to figure out what is the most energy efficient ...
0
votes
0answers
2k views

How to show the laptop screen content both on a projector and the laptop screen?

My laptop is Lenovo T400, and my OS is Ubuntu 10.10. I connect my laptop to a projector to do presentation. By hitting the functional key "Fn + F7". the laptop screen content will be shown by the ...
1
vote
1answer
406 views

How to optimize colors for video projectors?

as I am doing my first conference talk, I want to prepare as best as I can. I often encounter problems that make my images looking on laptop/workstation screen perfect, but you can't see anything or ...
2
votes
0answers
396 views

Ubuntu: closing laptop lid shuts off projector

This is in Ubuntu Natty: This is a relatively new development: normally when I watch a movie I hook up my laptop to my projector, close the lid, watch the movie. However, nowadays when I close the ...
6
votes
4answers
37k views

Can no longer duplicate display to external monitor on Windows 7

We have a large TV at work - I connect my laptop to it to share my screen during meetings. Until today, my laptop display has been duplicating to the TV automatically when I connect the TV cable to ...
0
votes
1answer
351 views

Powerpoint margins when using a projector

I'm creating a Powerpoint presentation and I'm having trouble fitting everything (graphics) onto a slide. I've been trying to stay within the margins provided by the default template. I'm not sure ...
1
vote
2answers
5k views

Windows 7 doesn't output via VGA connector to projector

My Acer netbook has a VGA connector for connecting to a project. It came with Windows 7 pre-installed and it has a feature in Control Panel that allows to redirect output to the projector. My ...
0
votes
1answer
484 views

How does a wireless presentation gateway work?

Wireless presentation gateway is just what we need - be able to connect to projector or tv via notebook wireless link. However i`m curious about how these devices work. Do they send image at some ...
0
votes
1answer
60 views

If I connect a computer to a external display, i.e. a projector, is it true that the computer had to do more “work”?

If I connect a computer to a external display, i.e. a projector, is it true that the computer had to do more "work" (calculation or whatever)?
1
vote
1answer
436 views

Color separation in projector

I have a projector whose display's colors are separating. So there is a ghost red image shifted up and left, and a ghost blue image shifted down and right. The "replace lamp" light was on, so I ...
0
votes
1answer
247 views

MacBook Pro -> (HDMI) -> Samsung SP-400DS projector fails

The listed combination seems to fail (i.e. the OS X 10.6 "Detect Displays" button doesn't seem to detect the projector as an additional display). Is there any reason why this should be so, or tips to ...
4
votes
1answer
3k views

How can Win+P be disabled in Windows 7?

I have already disabled the Win-key hotkeys with NoWinKeys as well as the Win+Arrow keys in the DWM. However Win+P, the hotkey for the projector settings (which I don’t use anyway because I have a ...
0
votes
1answer
503 views

Good Alternative to VeeBeam [closed]

I am in he process of setting up stations in several conference rooms to allow users to bring laptops and easily connect to either a projector or large LCD. Challenges: Must be driverless, or ...
2
votes
1answer
11k views

How to watch 3D on Acer “3D Ready” projector?

We have here a Acer P1200 DLP projector which is "3D Ready" (using the BrilliantColor™ DarkChip™ 3) and documentation was not included in the packaging. We don't have a Blu-ray player and have no ...
0
votes
1answer
10k views

How do I force Windows 7 to recognize my Projector?

I have a new Dell XPS with an NVIDIA GeForce GT 445M and an old (several years) Epson PowerLite Cinema 550 projector. Windows 7 refuses to recognize that the projector is connected under normal ...
3
votes
1answer
3k views

Loss of wireless network connectivity when playing video via HDMI cable

New to Super User, so I hope this question fits in with the guidelines. Very strange problem I am having, and I am at a loss as to how to continue troubleshooting this one. The basic problem is that ...
7
votes
4answers
811 views

Duplicate window across monitors

I have a notebook with a projector attached. Normally I would set my the desktop to extend to the projector screen in Window's settings. I'm required to type something which should be seen by the ...
7
votes
2answers
1k views

What is the difference between LCD/DLP/HD Projectors?

What are the differences between LCD/DLP/HD projectors? Which one would you recommend to hook up to a computer to do light-duty projection - e.g. light video, web-browsing, etc?
0
votes
1answer
2k views

Laptop's Intel graphics card stopped auto-detecting projector. How to re-enable?

At school there is an HP laptop dedicated to doing presentations on the classroom projector once a week. Recently I changed the display layout from Cloned to Extended, with the projector as a ...
-1
votes
2answers
1k views

Why do projectors use VGA rather than something digital? [closed]

I'm shopping for a netbook to use for PowerPoint presentations while traveling. Many netbooks have VGA connectors for hooking up to projectors. Why do projectors still use VGA? Does HDMI make ...
1
vote
1answer
1k views

Video embedded in PowerPoint does not play via projector

We have Windows Vista and PowerPoint 2007. We have a presentation with embedded videos (.wmv & .mov). When we connect a Dell projector we can (of course) view all the slides on both the laptop and ...
2
votes
1answer
93 views

What to look for in a pico projector?

My interest was piqued (ha!) by pico projectors, and I wondered: Can they replace a full-size projector for casual movie watching? Is there a large variation in performance between them? Is there a ...
2
votes
1answer
97 views

Projector Selection

What should I look at when selecting a projector? (technology wise)
2
votes
2answers
761 views

Possible DVI Splitter Issues?

I am thinking about buying a DVI splitter cable online and a DVI-> HDMI adapter. Can i use these to clone my graphic cards output so one can go to my monitor, and the other to my projector? Can ...
5
votes
1answer
2k views

How can I set up keystone correction in VLC?

How can I setup keystone correction in VLC? Ideally, I'll be able to set it up for both horizontal and vertical keystone correction.
1
vote
1answer
2k views

How to use projector Wi-Fi

I have an Acer P5260i projector which has a wireless feature. However the user manual didn't come with the description on how to use this feature. I'm using a laptop. Is there a detailed overview on ...
2
votes
2answers
1k views

Will HDCP cause problems with a MacBook Pro using a VGA projector?

I'm planning on using a MacBook Pro with a projector that only has a VGA input (through the MBP's Mini DisplayPort and a Mini DisplayPort to VGA converter). Will this have problems with HDCP ...
7
votes
4answers
16k views

Is there any way to disable certain keyboard shortcuts in Windows 7?

There is something going on with my Windows 7 machine where attempting to unlock the workstation the Win key is "stuck" on (not quite sure what is causing this). What this causes is that when I am ...
3
votes
3answers
150 views

Few questions about a good projector on my PC and TV? [closed]

I have always wanted a projector for my TV services (satellite, cable) and PC in a spare bedroom. Well it's more of a home office that I spend most my time in. The catch here is it's a small room. ...
2
votes
3answers
6k views

DLP projector has odd colors

At my place of work, we have several different video projectors, but they all use DLP technology, and the colors are wrong: for instance, yellow looks more like green, and all other colors are ...
1
vote
1answer
2k views

Wrong PC-projector resolution in Windows 7

I'm connecting a PC-projector (Benq MP721) to a Windows 7 Professional laptop (HP 6730b). All the output settings on the laptop, including the laptop screen, changes to 1024x768 (which the projector ...
1
vote
3answers
467 views

Do projectors work from the front and the rear?

Or do you have to purchase one specific to your use?
0
votes
1answer
2k views

Projector image is all green

I'm using a lamp projector attached via VGA to a MacBook running OS X 10.6. The problem that I'm experiencing is that the image is all green. How much green? Well, it looks like there is no red ...
3
votes
4answers
4k views

13" MacBook Pro with Win 7 and External VGA gets 640x480 [duplicate]

Possible Duplicate: Windows 7 + NVidia == 640x480 on external projectors I have a brand new 13" MacBook Pro - 2.26 GHz and the NVIDIA 9400M Video card. I installed Windows 7 (final) in ...
3
votes
3answers
3k views

Windows 7 + NVidia == 640x480 on external projectors

I'm having a major problem and I really need your help! I have a MacBook Air which has the NVidia 9400M. The problem is, when I connect it to an external projector Windows 7 (and Vista) only allow me ...