Is it just like this with NO graphics card installed?http://products.pacificgeek.com/emachines_t3516_celeron_d_3_20ghz_512mb_120gb_cdrw_dvd_xp_1013070674.php
If so, Not happening.
The I/O area is to the left side. (Input/Output area)
In this rectangular area you see;
1) PS/2 mouse port, and PS/2 keyboard port, at the top.
2) Orange port below them.
3) Black port below it.
4) Down below all of the above is the blue VGA port.
If you do not have a graphics card, your monitor is plugged into this blue VGA port.
If so you are using Integrated Graphics. Another term used is OnBoard graphics. ON the motherBOARD.
Do Not try to use a splitter cable, and run two monitors off of this VGA port. Ain't happening.
See the four long slots at the bottom of the computer? The bottom one has the Ethernet adapter card in it?
A graphics card, (Video card. Same/same), is installed on the motherboard, and the end of it sticks out one of those 3 unoccupied slots.
Each of those slots are known as Expansion Bay Slots.
When you choose what slot you want, you remove the Expansion Slot cover, for that slot.
My sources indicate the motherboard is an Intel D101GGC motherboard,http://www.e4allupgraders.info/dir1/motherboards/socket775/D101GGC.shtml
There are 2 white PCI slots at the bottom.
There is 1 black PCI-Express x1 slot above them.
There is a longer black PCI-Express x16 slot above it.
The PCI-Express x16 slot is for a graphics card. It is the best graphics card slot on your motherboard.
(The white PCI slots are lame. The PCI-Express x1 slot, is NOT used for a graphics card)
Suggest you use a PCI Express graphics card for your computer, and run two monitors at the same time.
From here it depends on what the two monitors are. Do you have two monitors that use a VGA cable?
Example of a VGA cable, and a VGA connector,http://en.wikipedia.org/wiki/VGA_connector
Or do you have a monitor that uses a VGA cable, and a monitor that uses a DVI cable?
Example of DVI connectors,http://en.wikipedia.org/wiki/Digital_Visual_Interface
Or do you have one monitor with a VGA cable, and a monitor that has a DVI cable?
Post in a Comment as to the monitor manufacturer name, and model number.
[ For example I am using an HP 2009m (20 inch widescreen), and a 26 inch RCA EN-V HDTV, as dual monitors ]
This is an example of a very economical PCI Express graphics card, that will run dual monitors,http://www.newegg.com/Product/Product.aspx?Item=N82E16814130755
You can use a monitor with a VGA cable (Blue port), and a monitor with a DVI cable.
You can use two VGA monitors, with using a VGA to DVI adapter, for one of the monitors.
You can use two DVI monitors, with using a DVI to VGA adapter, for one of the monitors.
Already have a graphics card, and two monitors connected to it?
1) Right-click on an empty area of your desktop screen.
2) At the bottom of the list left-click on Properties.
3) In the Display Properties window, left-click on the Settings tab.
4) Left-click on the rectangular monitor icon, that has the 2 in it.
5) Go below to the left, and left-click on the empty square next to-
Extend my Windows desktop onto this monitor
6) Go below to the right, and left-click on Apply.
7) Go below to the left, and left-click on OK.
Your desktop screen is on your second monitor.
Need guidance past this post in a Comment.