The tag has no usage guidance.

learn more… | top users | synonyms

0
votes
0answers
9 views

Broken VGA “SYNC GND” pin but not sure the effects

I'm not sure whether this would go to SuperUser as it's PC hardware related, or to Electrical Engineering as it's about a VGA cable/electrical signal... We've got a ceiling mount projector (VGA ...
3
votes
2answers
18k views

When I plug my Windows 10 laptop into a projector, the screen blinks endlessly

I installed Windows 10 on my laptop and everything works great. Except when I take it to meetings and plug into a projector, nothing shows up on the projector and my screen blinks madly between all ...
9
votes
4answers
77k 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
0answers
13 views

selective reading of JPG files on ASUS projector P2B

My projector ASUS P2B is not able to read some JPG files recorded on microSD or USB. Particularly those from SONY A77 (24MP). Usually projector create subfolder with thumbnails, but not in this case. ...
1
vote
0answers
44 views

Using remote desktop to control a computer also connected to a projector

I'm planning to have a small PC that lives in a box, which we can connect to a projector and then access wirelessly via RDP. That way, the computer lives onstage, while I can control the presentation ...
1
vote
3answers
27k views

Different display on laptop's screen and projector screen?

I saw a lecturer using PowerPoint to present his lecture, however, I notice that although the projector only show the PowerPoint's slides, his laptop screen show different things. How can I do that?
12
votes
5answers
25k 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 ...
6
votes
3answers
41k views

Why does my projector only show my desktop background and not the desktop icons?

My laptop is connected to a projector. The projector shows my desktop background but none of the icons that are shown on my laptop screen.
1
vote
0answers
39 views

How operating system exporting window screen to projector?

I have some queries regarding how operating system exporting window screen to projector to display on some screen?. For Example: When we open power point presentation on our laptop/desktop and ...
0
votes
0answers
14 views

Projector turn on script

I've been tasked with creating a script which would be able to turn our networked projectors on and off (which can already be turned on and off through the web interface.) The projector model is ...
1
vote
0answers
33 views

VGA port only works when cable is plugged in on startup

Here at school we have a couple of older laptops running Windows 7. The Win+P functionality doesn't work on those laptops. When you press this combination you see the spinning-wheel (loading icon) ...
0
votes
0answers
37 views

Installing driver on new Windows 8.1

I have fresh installed Win 8.1 Pro 64 bit and I need to install some drivers. In device manager, I have one "unknow device" and I don't know how to install driver for it. Next, I would like to get ...
4
votes
1answer
4k 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 ...
1
vote
0answers
32 views

Script for projector turn on.

Not sure if this the right place, but I was tasked with creating a script for which would be able to turn our networked projectors on and off (which can already be turned on and off through the web ...
0
votes
0answers
28 views

Projector with laptop normally used with 2 screens lockup

My laptop is normally docked and uses 2 screens. Some software either remembers which screen it had previously been on, or prefers one screen over the other. When I undock and plug into a projector ...
4
votes
2answers
4k 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 ...
0
votes
0answers
93 views

Is it possible to zoom a projector image in software (Windows 7/8)?

The projected image is just a little too big and the projector does not seem to have a good physical zoom. I am looking for a way to shrink the image in the computer and output a slightly smaller ...
5
votes
3answers
2k views

Is there a way to simultaneously display 3 different computers desktops on one projector or television?

I know that some projectors/TVs have a PIP (Picture in Picture) function but I have only seen it with at most two different input sources being simultaneously displayed on the same monitor. I think ...
1
vote
2answers
2k views

4 Monitors and a Projector with Radeon 6700/6800 series

I have two graphics cards, one is a Radeon HD 6700 series and one is a Radeon HD 6850. Both have dual DVI ports, a display port and a HDMI port. So all up, I have 8 ports that I assumed I should be ...
0
votes
1answer
69 views

How can we split a projector projection?

Here's the thing: We wish to display the same browser window, on a wall, however, it needs to be masket only on certain points of that wall. So, in between the wall, there will be some objects that ...
1
vote
1answer
46 views

Random noise added to mousepad when connected to a specific projector

This is a strange question and I am absolutely not sure if this is the right place to ask. However, I'll give it a try: I have a Asus Zenbook notebook. The notebook only has a HDMI/Display port ...
1
vote
1answer
89 views

Projector 1080p image is a different size depending on the source

I have a Benq W1070 projector. I was using it with my Ubuntu PC, and now I'm using it with my Windows PC, connected via an HDMI cable. Ubuntu 14.04 64-bit has a Gigabyte ATI HD4850 graphics card and ...
1
vote
4answers
12k views

mini displayport to VGA not working

Very simple problem: I am trying to hook up a laptop to a projector via a Mini DisplayPort to VGA connector, however it just doesn't work at all. Where this gets odd is: This all works to the ...
0
votes
0answers
316 views

EZ Display projector app doesn't find projector

I have an InFocus IN126STa with the wireless dongle SP-WIFIUSB-2. Media sources can't connect wirelessly using the provided app. The projector has 2 different modes of operation for wireless ...
0
votes
0answers
101 views

How to get Miracast working with Sitecom WLA 7100

I bought a Sitecom AC1200 / WLA7100 Wifi adapter and a LG 42LB650V TV which supports Miracast so I can share the screen of my PC (running Windows 8.1) on my TV using Miracast. The problem is that the ...
0
votes
0answers
168 views

Win 8 how to open “Project to a connected screen” without using Win P

how can I disable Win P as "Project to a connected screen". That means, how can I access to "Project" (Project to a connected screen) without using Win P I would like to use Win P for another ...
0
votes
0answers
36 views

Windows 8 projection will jump from duplicate display to extended-Why?

My computer, Lenovo notebook, when connected to an overhead projector will jump from duplicate setting to extended and takes away the presentation. Very frustrating for when you are teaching a group. ...
3
votes
2answers
2k views

Does resolution matter in projectors if watching movies?

I can see the difference when projecting a computer screen (e.g., Windows desktop, start menu, etc) in a 800x600 Vs. 1280x800 resolution for example. But when watching movies is there going to be a ...
1
vote
1answer
85 views

Join two[or three] vga cables?

I am supposed to do a presentation on next month using power point, and will be using a projector to present it. The projector can be connected to the laptop by a vga cable, my problem is that I do ...
1
vote
0answers
107 views

Why did my computers suddenly stop talking to my HDMI projector?

I have an Optoma ML750 projector that I have been using with my custom desktop for the past few weeks. I connect the projector through a KINIVO 3-to-1 HDMI switcher so I can display my gaming console, ...
0
votes
1answer
305 views

Trouble using projector with tablet via USB

I have a Sanyo PRO-x multiverse projector, model number PLC-SW30. I am trying to use it with a Windows 8 tablet (Dell XPS 12). The tablet does not have any video ports. So, I am trying to connect ...
5
votes
3answers
6k views

Transform a PC into a network projector

We have a Windows 7 PC that is located in the conference room on which a TV is connected. I would like to transform this PC into a network projector, so that whenever a client or supplier comes in to ...
0
votes
1answer
3k views

Connecting to projector in win 8.1 64 bit

I have Asus X451MA notebook. When I had win 8 projection with my projector worked fine. When I updated to 8.1 (64 bit) I get the message "Your PC Cannot Project to Another screen" when I click win+P. ...
1
vote
0answers
51 views

How to use a custom pillarboxed display resolution on OS X

I have an iMac (native 1920×1080) that is always connected to a projector (native 1280×800) by VGA with display mirroring enabled. In this situation, OS X automatically changes the iMac display to ...
1
vote
1answer
69 views

Accessing second display over first monitor

I got and projector on my computer which totaly works fine. I can move windows back and forth with keybinds and what not. Usually thats all I need but sometimes I need to interact. Like clicking ...
0
votes
1answer
14k 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 ...
0
votes
0answers
113 views

Projector + laptop without sound

I bought a new hp laptop and it does not have a VGA input. So I bought a HDMI converter cable. It works, but there are no sound. I have tried everything I could and nothing. Does anybody knows if it ...
0
votes
0answers
293 views

3D Vision gaming with NVidia GTX 470 and Epson EH-TW6100

I'm getting really confused about the requirements for 3D vision gaming using NVidia GTX 470 and Epson EH-TW6100. There's some info about this online in various forums, however a lot of it is ...
0
votes
1answer
208 views

HD projector with only 640x320

I'm looking at projectors and a lot of them are advertised as HD 1080p, however when looking at the actual specs, the native resolution is something ridiculously low as 640x320. How can it possibly ...
3
votes
1answer
103 views

Projector Selection

What should I look at when selecting a projector? (technology wise)
1
vote
0answers
52 views

Certain mac system hotkeys don't work on PC keyboard.

I am using a Mac mini with a typical PC usb keyboard (not a Mac keyboard). I am on OSX 10.9.3. According to this apple support web page, Cmd+F1 should toggle 'mirror displays', but it doesn't work. I ...
-1
votes
1answer
273 views

Lenovo Thinkpad resolution drastically increases when connected to a projector

I have a Lenovo T61 Thinkpad with Windows. I am a teacher and use whiteboard with a projector in class. When I connect my projector (Epson) to the laptop, the screen resolution increases and I can't ...
2
votes
1answer
331 views

Is it possible to change the default screen/logo on a projector?

When the Acer projector I have is on, but not connected to an input, it displays the Acer logo. Is there a way to replace that logo?
0
votes
0answers
791 views

Unable to get video from my Samsung laptop's VGA port to display on my projector

I have SAMSUNG RV511 laptop, and it's VGA port seems to not pass video to the projector. When I use different laptop with same cable and same projector it works fine, note that the graphic card ...
0
votes
1answer
125 views

2 projectors + internal screen on Lenovo x230 Tablet?

I teach 100+ classes every year on fraud and ethics. I often need to write notes but people in the back of the room can't see the flipchart. So I want to connect 2 projectors: One would show my pptx ...
0
votes
0answers
395 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
3answers
912 views

Do projectors work from the front and the rear?

Or do you have to purchase one specific to your use?
0
votes
0answers
260 views

how to connect to projector in Windows 7 on Mac Pro

I use windows 7 in Macbook Pro. and bought a VGA Adapter, however, the projector can not detect my computer, anyone has the idea how to set it up to connect to the projector?
0
votes
1answer
500 views

Will a cable HDMI to M1-DA work?

My laptop (Dell XPS l502x) has only HDMI. And a couple of days ago I bought an used projector, without cables. It was said it accept DVI, so before it arrive I bought an HDMI to DVI cable, but when it ...
7
votes
4answers
1k 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 ...