What are the ports on the back of my 2011 iMac?
The Mid 2011 iMacs have 4 USB 2.0 ports, FireWire 800 (which is backward compatible with 400), gigabit ethernet, 802.11n WiFi, Bluetooth 2.1+EDR, an SDXC Card slot, and an 8x SuperDrive.
Can you access BIOS on Mac?
Technically, Macbooks don’t come with BIOS, but they have a similar boot firmware called Open firmware or Extensible Firmware Interface. They serve the same purpose as BIOS. You should be extra careful while you are making changes to this interface. One mistake can damage your Macbook permanently.

What are the connections on an iMac?
On iMac (four-port model only), use the USB 3 ports with external devices that connect using a USB-C cable. To connect an external display, use either of the ports with the Thunderbolt symbol . On MacBook, use this port with displays and other devices that connect using a USB-C cable.
Can I use my iMac 2011 as a external monitor?
iMac models introduced in 2011, 2012, 2013, and mid 2014 To use any of these iMac models as an external display: The iMac used as a display must have macOS High Sierra or earlier installed.
Does iMac 2011 have Ethernet port?
Connectivity includes four USB 2.0 ports, a Firewire “800” port, built-in AirPort Extreme, Gigabit Ethernet, and an SDXC card slot as well as a single “Thunderbolt” port that is backwards compatible with Mini DisplayPort and, likewise, supports an external display up to 30″ (2560×1600).

What ports are on the back of a 2012 iMac?
By contrast, the “Late 2012” models have four USB 3.0 ports, Bluetooth 4.0, and a single “headphone/optical digital audio output (minijack)” that also supports the Apple iPhone headset with microphone. Regardless of display size, the “Late 2012” models have two Thunderbolt ports, but they lack a Firewire “800” port.
What ports are on the iMac?
What are the ports on the back of the new iMac?
The iMac USB-A ports support USB 3 and USB 2 devices. Thunderbolt 3 (USB-C) ports: Connect Thunderbolt 3 and USB-C devices or displays. Or use an adapter to connect Thunderbolt 2 peripherals, a display or projector, and more.
How do I use my 2011 iMac as a monitor for PC?
Turn on both the iMac and the PC, then hold Cmd + F2 or Cmd + Fn + F2 on the iMac keyboard to trigger Target Display Mode. In a few seconds, you should be able to see the screen of your PC mirrored on the iMac.
How do I use an old iMac as a second monitor?
Connect the two Macs with either a Mini DisplayPort cable or a Thunderbolt cable. The connection typically happens automatically, but if your iMac doesn’t automatically enter Target Display Mode, press Command+F2 on the iMac to manually enter Target Display Mode. The iMac displays the screen contents of the source Mac.