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I see a lot of desktops at work with two monitors ,,i notice it is a differant plug than the normal vga ,,what is the purpose of the two screens and how do i accomplish it

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  • wda0220 May 11, 2010

    thank you very much

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Very simple to achieve that. Buy a second display card and attach it to the motherboard. Install its drivers if not a P&P card. Then From display settings you will be able to see two monitors in the settings. One is your present monitor. Select the other one and give it the same settings as the first. You will now be able to stretch your desktop to two monitors. Alternatively, Shift the window of the second program on the second monitor and work on two programs simultaneously. You mouse will traverse on both monitors.

Posted on May 11, 2010

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My embedded board of model EPIA-M860-12E is running but it is not showing desktop screen.May I know what's the problem is?What should I do?


In which case change the monitor. I have checked the spec of the board and it has a VGA connector and should output to a normal VGA monitor. But your system is designed for Point of information and industrial automation. Try and find a display made for these purposes.

Dec 06, 2012 | VIA Epia M860-12e Fanless Mini-itx...

1 Answer

Dual screen wont work


Kevin,

1) You cannot plug a monitor into the VGA connector, on the back of the desktop computer, AND plug a second monitor into a DVI connector, on the back of a desktop computer.

In otherwords you can only plug ONE monitor into the motherboard.

[ The I/O area on the back of the desktop computer, is the Input/Output area. This rectangular area has connections for Input devices, and Output devices.

Examples such as a Mouse, Keyboard, (INPUT), VGA devices, (VGA monitor - Output), USB devices, audio devices, (Speakers - Output. Microphone is an Input device), and so on.

The I/O area has a rectangular metal shield. (Thin metal plate)

Connecting a device in the I/O area, is connecting it directly to the motherboard.

Example of a VGA connector, and VGA cable,

http://en.wikipedia.org/wiki/VGA_connector

Example of a DVI cable, and DVI connector,

http://en.wikipedia.org/wiki/Digital_Visual_Interface

(There are several variations of DVI connectors.
Scroll down ]

To use dual monitors you need a graphics card also.
Graphics card with a VGA connector, or DVI connector. (Or both)

Monitor with VGA cable, plugs into the I/O area on the back of the desktop computer. (Plugs into the motherboard's graphic chipset)

The second monitor plugs into the graphics card's DVI connector, or VGA connector.

[ Just an example,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1416091&CatId=3669

On the image of the graphics card on the left;
Go under it to the subheading - + 11 larger images and views.

There are 7 views shown. One is the carton the graphics card comes in. (View 2 from the left)

Going from the left side, count over to the 5th view. Left-click on the 5th view. Shows you the 'business end' of the graphics card.

Starting at the left side it is the HDMI connector, then VGA connector, then DVI connector.

Note*
YES, you can plug a VGA monitor, AND a DVI monitor, into this type of graphics card, and have Dual monitors ]

FIRST:
Computer on, Windows running; Put the Installation disk (CD) in the optical drive's tray. (CD/DVD drive)
Load ALL software.
Drivers, and 'Control Panel'.

Graphics card software loaded, close all windows, go back to your desktop screen. Turn the computer off normally.

Unplug the computer from power. Open the computer case.
FOLLOW Anti-Static Precautions.
(Don't know Anti-Static Precautions? Post back in a Comment)

Physically install the graphics card. Close the computer case.
Plug the VGA cable of the Primary monitor, into the VGA connector in the I/O area, on the back of the desktop computer.

Now plug the DVI cable of the Secondary monitor, into the DVI connector on the graphics card.

(The main monitor you use is the Primary monitor. The second monitor you are going to add, is the Secondary monitor )

Plug the computer into power. Both monitors plugged into power, turn them BOTH on.
Turn the computer on.

When Windows loads you will see a display on the Primary monitor.
Your desktop screen.

Now Right-click on an empty area of your desktop screen.
In the list at the bottom, Left-click on - Properties.

In the Display Properties window that comes up, left-click on the -
Settings tab.

You will see two rectangular icons. 1 and 2.
1 is the Primary monitor. 2 is the Secondary monitor.

Left-click on the Secondary monitor icon.
Go down towards the bottom/middle on the left.

Left-click in the empty square to the left of -
Extend my Windows desktop onto this monitor

Go down to the bottom Right. Left-click on Apply.
Go down to the bottom Left. Left-click on OK.

Your desktop screen will now be on the secondary monitor.


When you open your internet browser, (Yahoo, or Google, or MSN, or Mozilla Firefox, etc), you have to DRAG the screen onto the secondary monitor.

(Let's use Yahoo for an example. Yahoo will be on your Primary monitor.
You need to drag Yahoo onto the Secondary monitor)

Which direction you drag, is up to which direction the two monitors are sitting, on your computer desk.

The way the monitors are sitting in Display Properties; the Primary monitor is on the Left. ( 1 )
The Secondary monitor ( 2 ) is on the Right.

This is the way the two monitors should sit on your computer desk.
(There is a way to switch them around, however)

On your Primary monitor, (Still using Yahoo as an example), go to the RIGHT side. See the blue frame going around the screen?

When you bring the mouse cursor ON the blue frame, it turns into a Double-Sided arrow.
It is difficult at first to keep the cursor as a double-sided arrow.

Move too far to the right, it turns into the usual pointed cursor.
Move too far to the left, and it turns into the usual pointed cursor.
have to keep it on the blue frame.

WHILE the mouse cursor is a Double-Sided arrow, left-click, and hold the left mouse button down. Now drag the screen to the Right.
(Move your mouse to the right)

Keep dragging until the Yahoo browser is on both monitors.

Different size monitors? The display will not be the same size, on both monitors.

[ I use an HP 2009m, 20-inch widescreen monitor, as a Primary monitor, and an RCA EN-V, 26 inch HDTV, as a Secondary monitor.

I have my desktop on the Primary monitor, and FixYa, (Firefox browser), on the Secondary monitor, right now ]

If this is not your problem please state in a Comment.
Also state additional questions in a Comment.

Regards,
joecoolvette

May 10, 2012 | Computers & Internet

2 Answers

Can i connect two monitors to a nvidia geforce 315 card so as too use two monitors


hi,
yes the 315 desktop card does have multi monitor support. you may however need an adapter for one monitor as it only has one dvi ,one hdmi and one vga.
so you can hook up any 2 as a combination but they have different plug configurations to do this
GL
hope this helps

Don't forget to vote for me
Thank You
Jammer

Sep 16, 2011 | Computers & Internet

1 Answer

I have a Dell Inspiron 531S, I have both two different monitor slot, does my PC support dual monitor systems?


Yes.

The area on the back of the computer, that has two ports to connect a monitor, is a Graphics Card.

It is a PCI-Express graphics card, and is plugged into a PCI-Express x16 slot on the motherboard.
(Expansion Slot)

It has a blue VGA port, white DVI port, and black S-Video port.

The area on the upper left with a blue outline around a VGA port, is a VGA port connected directly to the motherboard. It is Integrated Graphics.

You CANNOT use Integrated Graphics, and a graphics card at the same time.

It's either use the Integrated Graphics VGA port, OR use the graphics port/s on the graphics card.
BIOS will Not support using both Integrated Graphics, and a graphics card.

HOWEVER, you can use the VGA port, and the DVI port when using two monitors.
You will be only using just the graphics card.

Example of a VGA port, (Connector), and VGA cable,

http://en.wikipedia.org/wiki/VGA_connector

Example of a DVI port, and DVI cable,

http://en.wikipedia.org/wiki/DVI_connector


1) Whatever monitor you have that has a VGA cable, plug it into the blue VGA port on the graphics card.

(There are VGA monitors {CRT} that resemble a small TV. VGA cable is usually attached.
There are also LCD flat screens that have a VGA connector, for a VGA cable, and may also have both a VGA, and a DVI connector.

To digress for a moment;
VGA is Analog. It uses an Analog video signal.
DVI is digital. It uses a Digital video signal.

A computer naturally puts out a digital video signal. This digital signal has to be converted by the computer, into analog for an analog monitor. This slows the graphics process down. This is one reason it is best to use digital )

2) Plug a monitor with a DVI cable into the white DVI port on the graphics card.

3) Turn the monitors on.

4) Turn the Inspiron 531s on.

5) When Windows has loaded, right-click on an empty area of your desktop computer screen.
Now left-click on Properties at the bottom of the list.
Left-click on the Settings tab.

6) You are now looking at a small window that has two monitor icons in it.
Monitor 1 icon, and monitor 2 icon.

Monitor 1 icon is your Primary Display.
Monitor 2 icon will be for the Secondary Display you are adding.

Note how monitor 1 icon is sitting to the Left, and monitor icon 2 is sitting to the Right.
This is how your monitors are supposed to be arranged on your computer desk.

If the second monitor is on the Left on your computer desk, you need to move the icons around.
Move monitor 2 icon to the Left.

Left-click on the icon, hold the left mouse key down, and drag the monitor 2 icon over to the left side of monitor 1 icon. (All the way over, or it will snap back to where it was)

It may matter to you how your monitors are arranged. It may not. Once you read the following it may help you decide.

7) Left-click on monitor icon 2 if you have not already done so.
Go down to where it states, "Extend my Windows desktop onto this monitor"

8) Left-click once in the empty square, to the left of Extend my Windows desktop onto this monitor.

9) Now left-click on Apply at the bottom Right corner.

10) Finally left-click on OK at the bottom Left corner.

You should now see your desktop screen on both monitors.

When using the internet on both monitors, you have to drag the screen from the Primary monitor to the Secondary monitor.

Go to the left side of the screen. Left-click right on the edge of the blue frame. Hold the left mouse key down after you click, and drag the screen across to the left.

Doesn't work?
Go to the right side, click on the blue frame, and drag the screen to the right.

This is why it may matter how the monitors are arranged on your computer desk.

It's kind of eerie your first time dragging the screen across.

You will also find out why it is best to use two similar monitors, when using dual monitors. The pixel resolution is different for both monitors, if they are different from each other.

For additional questions please post in a Comment.

Regards,
joecoolvette

Just to add:

http://support.dell.com/support/edocs/systems/inspd531/en/OM/appendix.htm

Aug 15, 2011 | Dell Inspiron 531s Desktop Computer

1 Answer

Dark screen/video card problem on dell desktop


If you have an optional video card installed in your system, try plugging in the the monitor using the 15 pin VGA plug on the back of the computer and see if you get the same results. There might be a plastic cap covering the VGA plug so you'll have to remove it for testing purposes. If no change then try using a different monitor. You can also try plugging the monitor into a different computer.
If the monitor display is normal using the VGA port then your graphics card has a problem. If the monitor is still dark attached to a different computer then your monitor or monitor cable is bad.

Feb 16, 2011 | Dell Studio 540 MT Pentium DualCore E5300...

1 Answer

WHEN I PLUG IT IN THE SCREEN SHOWS THAT THERE IS NO VGA PLUGED IN. WHAT CAN I DO TO FIX THIS?


Please just follow the below steps fix your problem

1. Check for loose electrical and VGA cables. Remove the electric cord from the back of the monitor, then put it back in place. Remove the VGA cable from the computer and monitor and put it back in place. Make sure the connection is tight. If you're using a cable extender, remove it.

2. Plug the monitor's electric cord into a different outlet. If you're using a UPS or surge protector, plug it directly into a wall outlet.

3. Attach the monitor to a different computer. If the monitor still doesn't work, replace the monitor's cable. Make sure the cable is less than 5 feet long. If it still doesn't work, the monitor will need to be replaced or repaired. If it works with no problem on the other computer, troubleshoot your video card.
4. Unplug your computer from the monitor and power outlet. Remove the cover. Pull the video card out of the slot on the system board. Push it back into place. Be sure the connection is secure.

5. Put the CD that came with your video card into your computer's CD-ROM drive. Follow the directions to reinstall the video card drivers. Download a new version of the drivers from the manufacturer's website if necessary.

6. Right-click a blank area of your Desktop. Choose "Properties" from the display menu. Click the "Settings" tab. Try different screen resolutions to resolve the problem.

7. Determine whether the problem is caused by electrical interference. Electrical interference will make the monitor appear jumpy or wavy. Move any speakers, radios, fans or other items that can cause electrical interference away from the monitor.

Thanks.

Oct 02, 2010 | Compaq Presario 5005 (470014-507) PC...

2 Answers

Defect ASUS V8420 ?


I don't understand, please explain more:

0) What kind of a monitor is it ?

1) If the monitor is NOT plugged into a working video card,
it should blank out or display some sort of a
"NO SYNC" or "NO SIGNAL" or "UNPLUGGED" warning.

The power light may also flash or show a different color.

2) If the monitor is plugged into a working video card,
it should wake up from the inactive power-saving mode
and display the desktop.

3) If the video card is malfunctioning, or if the windows
video settings are set outside of the monitor's sync limits,
the monitor may turn off or display a warning message,
such as:

No sync, Out of range ... etc.

4) The repair situation (3), reboot windows into
safe mode:

a) Press Hardware Reset

b) After the power-on self-test (POST) and memory check
press and hold the F8 Key

c) Select Safe mode

d) Login to windows at low resolution

e) Right-click on the desktop, chose:

Properties -> Settings -> Set the correct resolution, apply
Click advanced -> monitor -> set the correct refresh rate.

Reboot normally

Hope this helps

Martin

PS, some monitors have dual inputs: VGA or DVI
make sure the correct input is selected, depending
on your cable (VGA is a 15 pin "D" connector,
DVI is a larger connector with many more FLAT pins)


Also some video cards have multiple outputs, which are
activated only if a correct monitor is attached BEFORE
reset.

Apr 22, 2008 | ASUS V8420/TD Graphic Card

5 Answers

Check signal message when data cable unplugged. blank screen when data cable plugged


This problem is most likely to be caused by a bent or broken pin on the CRT video cable at the VGA connector, OR, this could also be caused by a damaged VGA connector on the back of the laptop. If neither VGA connector is at fault, the problem could be caused a damaged (kinked) CRT data cable, or internal damage to the VGA connector on the back of the laptop, though I suspect the problem is more likely to be external, and you probably won't have to disassemble the laptop to locate the culprit...

Feb 05, 2007 | IBM E74 17" CRT Monitor

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