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How to connect two monitors with one system unit

I bought two monitors with one P4 celeron mother board. It has 2 USB ports.two keyboards and mouses also were purchased. I Iwant to know how to connect them so that both monitors can be used independently.

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Re: how to connect two monitors with one system unit

I want to connect 1 system 2keyboard 2 mouse 2monitor

Posted on May 24, 2008

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Re: how to connect two monitors with one system unit

You will need a video card that has more than 1 head ( output ports), and a software program that will let you do this with windows can be found here or here.

Posted on Nov 10, 2007

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Good Day,
Please check the connection of the display port, may it be VGA or DVI. Be sure to have it connected to the right port. If the Computer have a video card, usually placed at the expansion slots, the Cable for the monitor should be connected there, not onboard. Onboard display port is located just below the PS2 plugs,where your mouse and keyboard (violet and green ports) are plugged in.
Also you may try the computer using other monitor. Possibly the resolution the CPU / computer is so high, your old monitor can have it displayed.
If all fails, you may ask from where you have bought the computer for possible fault on the new system.
Hope this helps, thank you for using Fixya.

Jul 10, 2011 | ViewSonic Computer Monitors

2 Answers

I connected my LG 22LD350 to my hard drive, and both the sound and picture work, after I selected "RGB-PC" on the monitor. But I don't see a connection anywhere on the TV for my keyboard and...

Hi bpollen,
you will use the computer for {GUI} Graphics User Interface!
The TV is a "secondary visual device, or monitor"
The TV "cannot give instructions or commands."
"You not be able to "tranfer information from the TV.
You will use the "Computer for [Input and Output] transmissions.
The "Keyboard and Mouse" stay 'connected to the computer!"
You will "control all functions for the TV; by using the computer."
"I hope this information solved some issues?"
!"Take a moment to rate the help."

Thank you! paul7of9

Mar 18, 2011 | Computer Monitors

2 Answers

All the cable are connected correctly and power turned on, but when i start the computer, the computer itself seems to come on ok, but when i turn the screen on it says 'power saving mode' and seems to go...

Does your PC has plugged in video card, you can try reseating it first? If it has integrated video card in the mother board, then there may be not much you can do.
Did you install any new software or update any drivers?

Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors:
Learn about bad caps:

Dec 19, 2010 | LG W1934S-BN 19" Monitor

1 Answer

How can I connect my Fujitsu Siemens key board with my Acer AL1912 monitor? There is a connect button on the key board, but where is the connect button on the Acer?

Is it a wireless keyboard? If that is the case, then you should have a receiver unit attached to the PC, usually to a USB port. The ACER is justt a monitor, here is the user manual:

Jan 20, 2010 | Acer AL1912 19" LCD Monitor

1 Answer

I bought two monitors with one P4 intel mother board. I want to buy one VGA switch two keyboards and two mouses. I want to use one pc for two monitors two keyboards and two mouses at the same time. is this...

Yes, this is possible. You will need to purchase a device similar to a KVM switch. You can check out Best Buy or to an electronic store like Radio Shack.

Dec 06, 2009 | Dell E173FP 17" LCD Monitor

1 Answer

I was given a Xenon flat screen monitor. The back has 4 usb ports and 1 usb input and an analog rgb port. It came with no cables. Can I just use a usb cable or do i need the analog rgb cable? Also when I...

The USB hub/connections cannot be used for driving the monitor... It is only an extra feature so that you can connect USB devices (such as a mouse & keyboard or flash drive) at the monitor instead of the computer ports.

You must use the RGB/VGA connection to use the monitor.

When you turn ON the monitor, it should "announce" itself with a logo...

When you were given the monitor, were you told that it works?

Please connect the monitor and comment back...


Sep 10, 2009 | Computer Monitors

2 Answers

Replaced my power supply, now keyboard and monitor wont work.

Believe it or not, if you have a floppy drive in your computer, try unplugging it and disconnecting the data ribbon. Many times, damaged floppy drives can short out motherboard functions and even prevent computers from powering up. If that doesn't fix it, then get a usb keyboard and mouse set (wireless would be fine) or borrow some, and see if they work. If they do, then the power outage damaged the PS2 ports.

May 25, 2009 | E-Machines eMachines Monitor E15T4

1 Answer


Your HP notebook PC probably has a VGA (aka HD-15) connector. Check page 16 of this PDF to make sure - connector #2 is the VGA connector.

Your Compaq monitor also has a VGA HD-15 connector, so it should plug directly into your laptop's port after unplugging it from the other PC.

You will still need to plug the Compaq monitor's power cable into a wall outlet for power.

If you are going to share this monitor between your notebook and the other PC, you may want to consider purchasing a Keyboard-Video-Mouse switch (known as a "KVM switch") - there are many different models - you will need one with VGA, and whether you need USB or PS/2 keyboard/mouse connections depends on what your other PC's keyboard and mouse are.

Apr 06, 2008 | Compaq TFT450 14" LCD Monitor

1 Answer

Acer monitor frozen & curser will not move.

If your mouse will not move, it is a problem with the computer, Make sure you're plugging it into the correct port. If it's a ps2 mouse don't plug it into the keyboard port by mistake.

Does the keyboard work? If you press the windows key does the start menu come up?

If the keyboard works, try using a USB mouse. If the keyboard does not work, try plugging the keyboard in where the mouse is and the mouse in where the keyboard is.

Feb 09, 2008 | Computer Monitors

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