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I am trying to install 12.04 AMD64 Destop on a fresh hardware (Ga-A75N-USB3, A8-3870K, Samsung SSD, install from USB-stick. The installation shows "ubuntu" and some dots below. The mouse pointer disappears and comes back after a minute. Then the PC hangs at this point.

I tried ACPI=off noapic in the command line. The PC then stops with the last line: "Probing PCI ..."

I installed the alternate AMD64. OK so far but how to update to a full installation? How can I find out what make my PC hang ? Many regards

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"I installed the alternate AMD64.OK so far but how to update to a full installation", can or can't you Install it? and what do you mean by update to full? –  Uri Herrera Aug 22 '12 at 1:17
I have installed the alternate AMD64. It worked. But I want the full installation, not just a command line version. –  andibuntu Aug 22 '12 at 1:29
Well, you already have the full Installation, you just don't have a GUI, install any of the following packages: ubuntu-desktop kubuntu-desktop lubuntu-desktop xubuntu-desktop each is a different Desktop environment. if it's what you want i'll put it as the answer. –  Uri Herrera Aug 22 '12 at 1:31
I am new to ubuntu. What do I have to do to get ubuntu-desktop installed ? "sudo apt-get ubuntu-desktop" ? –  andibuntu Aug 22 '12 at 1:46
Yes when you log in type sudo apt-get install followed by the package. –  Uri Herrera Aug 22 '12 at 2:29
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