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I would like to install Ubuntu 18.04 on my iMac 21.5-inch late 2009 with the following specifications:

  • CPU: 3,06 GHZ Intel Core 2 Duo
  • RAM: 8 GB 1067 MHz DDR3
  • GPU: ATI Radeon HD 4670 256 MB

For the installation process I am using a bootable USB-Stick.

Whenever I try to boot my screen splits up into 4 smaller screens which makes it hard to see anything on the screen and then I have to manually shut the iMac down.

How can I make Ubuntu 18.04 run on my old iMac?

splitscreen after booting Ubuntu from usb

Kulfy
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dr_delphino
  • 31

1 Answers1

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Hello I found the solution just if you hold CMD + v at the start of Macintosh you will be in the verbose mode 20 there you will be able to add the nomodeset instruction in the grub

Alessandro Hottois
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  • Hello, How exactly am I possible to add the nomodeset?

    I tried your suggestions. Once I am in verbose mode (I believe it is), my Mac is going through some code and straight afterwards it loads the user login-page.

    Could you provide me witrh a more detailed instruction, please?

     – dr_delphino Jan 26 '20 at 18:21