If you want to connect iMac to a VGA monitor, you must know if your computer has a VGA monitor port, because if it doesn’t you won’t be able to connect it. The connection works even if you have a larger second monitor, a flat-screen monitor or brand new monitors. If you don’t use it very often, buying a second hand monitor could be the best decision, because brand new ones can cost a lot of money.
The next step is to find the VGA vent cover. This accessory came with your iMac and if you don’t find it, it means that your computer doesn’t have a VGA monitor port. You will find the list of Apple iMac’s that have VGA monitor port online on Apple Store.
The following step is to remove the vent cover on your personal computer. Depending on the model, you will find it on the back of your computer and in front of your computer. You will have to replace the cover on your computer with the VGA vent cover. The next step is to connect the cable from the external monitor to VGA port.
If your iMac doesn’t have a VGA port and it doesn’t support VGA connections, you can purchase a Mini-dvi component. All you have to do is connect the bigger end of the component to the end of your monitor cable and the smaller end (the dvi) to the dvi port you will find on your iMac.You will do the things we have listed above with your computer and your external monitor turned off, and after you make the connection between your iMac and the external monitor, you can turn on the monitor and the computer.
If you don’t see anything on the VGA monitor, it means that you need to change the resolution of your computer. You need to do that because the VGA monitor uses the same resolution as your computer display and if the resolution is too big, you won’t be able to see anything. In order to see what is on your Apple iMac on the VGA monitor, you should use one of the following resolutions: 1024 x 600, 800 x 600 and 640 x 480. The resolution you are using must be supported by the external monitor.
Older iMac support only video mirroring that means that you can the same image on your display and on the external monitor. New Apple iMac allow you to use each monitor independently, which means that you can have 2 different images on them in the same time.As you can see, connecting your iMac to a VGA monitor is not that hard and you will spend the longest time finding the desire resolution.