Ubuntu
grub2 package

Dell 4600 Dimension: installing ubuntu 10.04 in ACPI workaround mode

Asked by van Boxem

Hello.
I am new to the ubuntu world. I have an issue when installing ubuntu 10.04 on my Dell 4600 Dimension; the only way the install will happen (that I will be able to follow the installation process on the screen) is while using the "ACPI workaround mode"; when the installation is completed, the computer reboots automatically and I can't see anything more. The green lamp on the screen is turning into orange as like the video card was set to a screen saving mode. I have tried the options "ACPI= NOACPI" or "ACPI = of" in the booting sequence but it isn't quite clear to me what it does and how to know what I have to include in the boot sequence. Can anyone help?

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Solved by:
Cameron W
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Best Cameron W (cwill747) said : 		#1

ACPI is the Advanced Configuration and Power Interface. It helps to control the power for the system, and is supposed to standardize this across different systems. I've had it cause me problems before. Disabling it can sometimes help. To do so, first boot your computer into the mode by holding the Shift key while booting. This should let you edit boot options with the e key. Type acpi=off onto the end of the boot options. Then, once you're in, edit the /etc/default/grub file, and add acpi=off to the end of your boot options. That will turn ACPI off for every time the system boots. Good luck!

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van Boxem (vanboxem) said : 		#2

Although the booting in the "shift mode" has not been possible (i have used wubi to install ubuntu), I have been able to start a safe mode which allowed me to edit the boot and to add the acpi=off instruction at the end of it.
Now, the computer is working except that I don't have the arrow (mouse) when starting the system; I am using the "ctrl" command in order to situate the arrow and then, opening a window and writing something in it helps to visualize the arrow of the mouse. I am trying to reload the display driver but this doesn't look obvious for a new user of ubuntu.
Thanks for your help.