How to Use iMac as Monitor for PC: A Step-by-Step Guide

You can use your iMac as a monitor for your PC in a few different ways. The most common way is to use an HDMI cable, but you can also use an DVI or VGA cable. If you have a newer iMac, you can also use the Thunderbolt port. We’ll go over all of these options below.

Using an HDMI Cable

The first thing you’ll need is an HDMI cable. You can find these at any electronics store, or you can order one online. Once you have the cable, connect one end to the HDMI port on your iMac and the other end to the HDMI port on your PC. If you’re using a PC with a discrete graphics card, you’ll need to connect the HDMI cable to the port on the graphics card. If you’re using a laptop with integrated graphics, you can usually connect the HDMI cable to any port on the laptop.

Once the cable is connected, you’ll need to configure your iMac to use the external display. To do this, open System Preferences and click on the “Displays” icon. In the “Display” tab, you should see your iMac listed as the “Built-in Retina Display” and your PC should be listed as an “External Display”. If you don’t see your PC listed, make sure that the HDMI cable is plugged in and that your PC is turned on.

Click on the “Arrangement” tab and you should see your iMac and PC displays side-by-side. If you don’t see both displays, click on the “Detect Displays” button. Once both displays are showing up, you can drag the white bar to the top of the iMac display to make it the primary display. You can also drag the menu bar to the top of the iMac display.

If you want to use your iMac as a monitor for your PC and you want to be able to close the lid of your iMac, you’ll need to open System Preferences and click on the “Energy Saver” icon. In the “Power Adapter” tab, you’ll need to check the “Prevent computer from sleeping automatically when the display is off” checkbox. This will keep your iMac from going to sleep when you close the lid.

Using an DVI or VGA Cable

If you have an older iMac, you won’t be able to use an HDMI cable. Instead, you’ll need to use a DVI or VGA cable. You can find these at any electronics store, or you can order one online. Once you have the cable, connect one end to the DVI or VGA port on your iMac and the other end to the DVI or VGA port on your PC. If you’re using a PC with a discrete graphics card, you’ll need to connect the DVI or VGA cable to the port on the graphics card. If you’re using a laptop with integrated graphics, you can usually connect the DVI or VGA cable to any port on the laptop.

Once the cable is connected, you’ll need to configure your iMac to use the external display. To do this, open System Preferences and click on the “Displays” icon. In the “Display” tab, you should see your iMac listed as the “Built-in Display” and your PC should be listed as an “External Display”. If you don’t see your PC listed, make sure that the DVI or VGA cable is plugged in and that your PC is turned on.

Click on the “Arrangement” tab and you should see your iMac and PC displays side-by-side. If you don’t see both displays, click on the “Detect Displays” button. Once both displays are showing up, you can drag the white bar to the top of the iMac display to make it the primary display. You can also drag the menu bar to the top of the iMac display.

If you want to use your iMac as a monitor for your PC and you want to be able to close the lid of your iMac, you’ll need to open System Preferences and click on the “Energy Saver” icon. In the “Power Adapter” tab, you’ll need to check the “Prevent computer from sleeping automatically when the display is off” checkbox. This will keep your iMac from going to sleep when you close the lid.

Using a Thunderbolt Cable

If you have a newer iMac, you can use the Thunderbolt port to connect to your PC. The first thing you’ll need is a Thunderbolt cable. You can find these at any electronics store, or you can order one online. Once you have the cable, connect one end to the Thunderbolt port on your iMac and the other end to the Thunderbolt port on your PC. If you’re using a PC with a discrete graphics card, you’ll need to connect the Thunderbolt cable to the port on the graphics card. If you’re using a laptop with integrated graphics, you can usually connect the Thunderbolt cable to any port on the laptop.

Once the cable is connected, you’ll need to configure your iMac to use the external display. To do this, open System Preferences and click on the “Displays” icon. In the “Display” tab, you should see your iMac listed as the “Built-in Retina Display” and your PC should be listed as an “External Display”. If you don’t see your PC listed, make sure that the Thunderbolt cable is plugged in and that your PC is turned on.

Click on the “Arrangement” tab and you should see your iMac and PC displays side-by-side. If you don’t see both displays, click on the “Detect Displays” button. Once both displays are showing up, you can drag the white bar to the top of the iMac display to make it the primary display. You can also drag the menu bar to the top of the iMac display.

If you want to use your iMac as a monitor for your PC and you want to be able to close the lid of your iMac, you’ll need to open System Preferences and click on the “Energy Saver” icon. In the “Power Adapter” tab, you’ll need to check the “Prevent computer from sleeping automatically when the display is off” checkbox. This will keep your iMac from going to sleep when you close the lid.

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