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We are more than happy to help you if you cannot fix the problems yourself.
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#2016 IMAC PRO PLUGS MAC#
IT-Tech Online is a leading Mac repair specialist in Australia. If the power supply has no output, the iMac logic board will not enter into standby mode, so the corresponding LED light will not turn on. The first LED light indicates the logic board is in standby mode. It indicates the status of the iMac logic board. The four LED lights are diagnosis lights. If no LED light is on, you have a faulty iMac power supply. Check for the four LED lights on the logic board.Plugin the power cable back to the main powerpoint.Remove the iMac screen from its aluminium frame.Wait for at least 10 minutes until the big capacitors in the power supply have been completely discharged (from 395V to 0V).Remove the power cable from the main powerpoint.Remember, don’t touch anything on the power supply unit while the power unit is on.įollow this procedure to check the iMac power supply: The finger marks on the older iMac screen are not easy to remove. The gloves not only protect the technicians from accidentally touching the dangerous points but also avoid leaving finger marks on the screen. All our technicians are required to wear protective gloves when they handle iMac hardware repairs. You can see the measurement point has a very high voltage of 395.1V DC. If you can see the Apple logo, congratulations! You have successfully saved the bricked iMac. After finishing the installation, your iMac will automatically power on.
#2016 IMAC PRO PLUGS INSTALL#
Now the host MacBook will download the correct firmware version from Apple’s server and install it to your bricked iMac.On the pull-down menu bar select Advance and select Revive Device. Go back to your host MacBook, click to select the DFU device on the screen and select Action from the menu bar.Continue to hold the power button for about 3-5 seconds until you see the DFU logo on the Host MacBook. While holding the power button, plug in the power cord of your iMac. The master port is the USB-C port next to the Ethernet Port. Connect the other end of the USB-C cable to the master port of your bricked iMac.Connect one end to any port of your host MacBook. Unplug the power cord of your bricked iMac.
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Open the app and make sure your host MacBook is connected to the internet.
#2016 IMAC PRO PLUGS UPDATE#
You may need to update to the latest macOS to run the app.