black screen after upgrade to ubuntu 14.04

Asked by nouha

Hi
last night i upgrade my system from 13.10 to 14.04
don't know really if it's complete upgrading or not, but after rebooting the system, it asks me to enter my password then I got black screen with cursor flashes
What can I do?
and thanks ^^

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actionparsnip
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actionparsnip (andrew-woodhead666) said :
#1

Does the system have a make and model?
Thanks

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nouha (nouhawannessi) said :
#2

I have tried to fix it, it was a problem with my GPU AT FIRST, fix it
and now still prolem with unity, can't reset it !
i have sony vaio SERIE E VPCEH16EF
 system was ubuntu 13.10 & after upgrade i have now ubuntu 14.04, 32 bit...

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Best actionparsnip (andrew-woodhead666) said :
#3

Seems to be an Optimus setup. These are far from friendly. I suggest you remove the Nvidia packages from your system to make it use the nouveau driver, then reboot then reinstall the driver.

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nouha (nouhawannessi) said :
#4

Thanks actionparsnip, that solved my question.