How do you diagnose constant crashing issues?

Posted by P102 on Ask Ubuntu See other posts from Ask Ubuntu or by P102
Published on 2010-12-31T14:04:01Z Indexed on 2010/12/31 15:59 UTC
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ubuntu-desktop

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10.10

My recent installation 10.10 on my laptop keeps freezing/crashing on start-up after working perfectly for one day.

The system just freezes, like a screnshot, and a restart is required. It happens directly after login or just as any application is selected.

Nothing new has been installed. I have just moved from XP so I would be very grateful if some one could please explain to me, as simply as possible, how to do the following...

How to diagnose the problem so it can be fixed, remember it may have to be before the log in.

all help is greatly appreciated.

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