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I have an issue with the reboot which finishes the upgrade from 12.04 to 12.10. I press the reboot button and then my pc reboots: I see the BIOS, then my screen turns purple and then black and my monitor says that it gets no signal and the hard drive led light stops flashing

I am using a acer aspire t650 with a Ati Xpress 200 integrated graphics card and the open-source driver.

I have already used this but it doesn't work. It gets me a little bit father tough because i can see the Ubuntu logo , but it doesn't load.

Can somebody help me?

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