The use of multiple monitors is widespread in the workplace, but can also be useful in other cases, to better perform specific tasks. One of the most popular uses of this feature is to extend the Windows desktop across two screens to have a larger workspace, so you can open multiple windows and browse them at the same time without having to switch between them. continuously. This article explains how to connect and configure an external monitor to a laptop or desktop computer.
Steps
Part 1 of 3: Initial Steps
Step 1. Make sure your computer can be connected to a second monitor
Not all graphics cards support the use of multiple displays. If a second external monitor cannot be connected to your system, you will not be able to use it to follow the instructions in this article. To carry out the checks, select an empty spot on the desktop with the right mouse button, then choose the "Graphics Properties" option from the context menu that appeared. Alternatively, see this article for more information on this.
- Another way to find out if you can connect an external monitor to your computer's graphics card is to look for the appropriate video connection port. For example, if there are two VGA ports on the video card, it means that it can drive two monitors at the same time.
- Most portable computers (laptops) come with a small manual that lists all the technical specifications of the system. If there is a VGA, DVI or HDMI port, it means you can connect it to a TV or external monitor.
Step 2. Purchase a connecting cable
Depending on the video port on your computer, you will need to purchase a VGA, DVI, or HDMI cable to connect with.
VGA, DVI and HDMI cables cost between € 5 and € 30, depending on the length and quality of the materials with which they were built
Step 3. Buy a computer monitor
Also in this case the cost can vary from a few tens of euros up to a thousand, based on the technical specifications (resolution, contrast, brightness, response time and so on). Before making your purchase, it is important to find out if the monitor you choose really meets your needs.
Part 2 of 3: Install the Second Monitor
Step 1. Prepare your desk or where you want to place the monitors
Both screens should be perfectly aligned next to each other or stacked on top of each other. Let it be clear that no one forbids installing them in two different places in the home or office, it all depends on the use you will have to make of them. Normally the most used configuration is to place them side by side.
Step 2. Turn on your computer and monitors
To perform this step, the computer and the two monitors must be turned on and working. You can connect even while the devices are turned off, but in this case you will not have a visual feedback of the result. Make sure both screens are connected to an active power source.
Step 3. Connect the monitors to the computer using the appropriate cable
Depending on the ports on the graphics card and on the back of the monitors, you will need to use a VGA, DVI or HDMI video cable.
Part 3 of 3: Configure the Monitor
Step 1. Select an empty spot on the desktop with the right mouse button
This will bring up a context menu.
Step 2. Choose the "Display Settings" option
A new screen video settings dialog will appear. These configuration settings are displayed in the right part of the window that appears.
Step 3. Press the "Identify" button to have a reference of both monitors
This way you can set them up faster and with less effort. An identification number will be displayed on each screen which you can use during setup.
Step 4. Modify the graphical representation of the two monitors using the mouse to reflect their real position
The operating system will then be able to make the necessary adjustments with greater precision.
Step 5. Continue the configuration
If you wish you can change the brightness level, resolution, orientation and many other aspects (in some cases you will have to refer to the "Advanced settings").
Step 6. Apply the new configuration settings
Once you have completed your changes, press the "Apply" button to keep them. At this point you can close the dialog box: you are done with your work. Now you can start using the new monitor.
Advice
- If you cannot determine if the graphics card installed in your computer is capable of driving two monitors at the same time, contact the manufacturer's customer support.
- Instead of buying an external monitor, you can also use your home TV. Read this article for more information on this.
