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I have two issues with Ubuntu 12.04 (upgraded from 11.04, 11.10) on my ASUS K52De laptop.

First issue: Booting fails, if it follows a suspension, then a wake-up and finally a shut down. If I realize this sequence, then, during the boot I see the Asus logo and after that I see only a blinking cursor instead of grub2. Then I have to recover grub2.

Second issue: Sometimes, my laptop doesn't shut down. It freezes on the Ubuntu logo and I must turn it down with power buttom.

Thank you.

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closed as too localized by Luis Alvarado Jun 17 '13 at 18:54

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

Welcome on Ask Ubuntu, kosmonavt! I improved your question a little. Could you check if it is indeed what you intended to say? –  Agmenor Jun 1 '12 at 17:33
Not all first issue: rebooting fails only after suspend. I do suspend, then I can wake up it, then shut down, and then it doesn't strart. I see blinking cursor –  kosmonavt Jun 2 '12 at 7:04
Don't hesitate to edit your question yourself. In particular, explain what you tried to solve the problem, etc. –  Agmenor Jun 2 '12 at 7:46