0
votes
0answers
92 views

Cannot connect laptop to monitor using HDMI

I'm trying to connect my Dell Latitude laptop to my monitor using an HDMI connection from both ends. I plugged in the cable, but my monitor is showing no signal. I tried to send output to the ...
1
vote
0answers
19 views

Viewing Long Documents on Projector Vertically

Is there any such thing as being able to use a projector vertically so that you can view entire documents that are usually narrow in width and longer in length without having to scroll? In our ...
0
votes
1answer
4k views

Can't duplicate display on Windows 7

I'm trying to setup a duplicate display on Windows 7, on a Lenovo W520 laptop. The goal is to output the main desktop to both the laptop screen and a VGA projector. I believe the laptop has a dual ...
0
votes
1answer
161 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 ...
4
votes
4answers
33k 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
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)?
2
votes
2answers
748 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 ...
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. ...
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 ...