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Tags | linux | ubuntu

Ubuntu iMac black screen on install

I found that when instaling Ubuntu (Dapper Drake) on an imac after the install starts you hear music but the screen is black / blank. Here is how to fix that problem

• ctrl+option+F1 (This brings up a command prompt)


• type: sudo nano /etc/X11/xorg.conf


• Find the line that says "Load dri" and place a # infront of the text


• Find the line that says "HorizSync" and change the value to 60-60


• Below edit the line "VertRefresh" to 75-117


• hit Ctrl+O, it will ask where you want to save, just hit enter


• hit Ctrl+X, this will bring you back to the command prompt


• Type sudo killall gdm


• Type sudo /etc/init.d/gdm start

At this point the GUI will load and you should be clear to load the install or use the LiveCD.

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