Can I use my 2009 iMac as a second monitor?

The 27-inch iMacs introduced in late 2009 included the first version of Target Display Mode, a feature that allowed iMacs to be used as displays for other Apple devices.

Can I connect 2 monitors to my iMac?

For Mac computers with Mini DisplayPort, Thunderbolt, or Thunderbolt 2: You can connect up to two displays. If the displays themselves have Thunderbolt ports, you can connect one display to another, and then connect one of the displays to a Thunderbolt port on your Mac.

Can iMac late 2009 run El Capitan?

OS X El Capitan can run on the following Mac models: iMac (Mid 2007 or newer) MacBook (Late 2008 Aluminum, Early 2009, or newer) MacBook Pro (Mid/Late 2007 or newer)

How do I get Mac to recognize 2 monitors?

If you want to mirror the display on both (or multiple) displays go to System Preferences > Displays > Arrangement and choose Mirror Displays. You can also select ‘Show mirroring options in the menu bar when available’ and you will see a status menu in the menu bar making it easier to turn this off and on again.

Can I use my old iMac 2008 as a monitor?

With both the iMac and Macbook off connect the computers with a Firewire cable. Turn on the MacBook while holding the “T” key. This puts the MacBook into Target Mode and a firewire icon appears on the screen. From now on you only need touch the iMac Keyboard and mouse.

Can I use my dead iMac as a monitor?

Target Display Mode is a feature that’s designed specifically for those who own two or more Macs, as it allows you to use your iMac as the external display for another Mac. To use Target Display Mode, you’ll need to connect your iMac and your Mac, via the correct cable.

How many monitors can you connect to an iMac?

Answer: According to Apple, the M1 iMac appears to support ONE external display of up to 6K, Every iMac features two Thunderbolt ports for superfast data transfers, giving customers high-performance options to connect to more devices, including support for up to a* 6K display, like Apple Pro Display XDR […]

Why won’t my second monitor detect Mac?

What To Know. Go to System Preferences > Displays, click Scaled and hold down the Option key to show and select the Detect Displays button. Go to System Preferences > Displays and check the resolution and brightness settings. Also, check the display cable connections, and update adapter software if applicable.

Why won’t my Mac recognize my monitor?

If your computer still can’t detect the external monitor, even after confirming that all cables are connected correctly and securely, you should try restarting your Mac. A reboot is one of the oldest troubleshooting methods that can resolve a myriad of connectivity issues, including external monitor detection problems.