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have installed Ubuntu 12.10 on laptop packardBell EasyNote TK Processor Intel Celeron T3500 Screen 15.6" 16:9 HD LED LCD

Thanks in advance for your advice!

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marked as duplicate by Seth, Eric Carvalho, Mik, vasa1, Thomas W. Mar 27 '13 at 18:18

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Try starting Ubuntu with the following kernel parameters: nomodeset, noquiet, nosplash

Check this link if you need help settings the parameters (boot options):

nomodeset is most important. It makes the kernel wait to initialize some video settings and use the more dependable but less capable BIOS video mode. This was described previously here.

noquiet and nosplash just turn off the splash screen so you can hopefully see the ugly startup text scroll by and catch any other possible reason for your issues.

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