Ubuntu – My computer freezes very often when I watch videos on youtube, or if I browse the web

graphicsintel

My computer freezes very often when I watch videos on youtube, or if I browse the web.
I think that i have a problem with the driver of my graphic card …

Sony Vaio SVS1311F3E/W

Intel Core i5-3210M à 2,5 GHz (3.1 GHz with Intel Turbo Boost technology).

Memory cache 3 Mo.

Chipset Intel HM76 Express.

RAM 4 Go DDR3.

Hard drive 500 Go SATA.

Graphic card Intel HD Graphics 4000.

Ubuntu 12.04.

Best Answer

NOTE: These instructions are obsolete. The fix has entered the default repositories. If you are still experiencing freezing, your problem is different from the OP's. Please open a new question about it (after reading What should I do when Ubuntu freezes, of course).


Known bug.

Solution:

  1. Open Update Manager
  2. Click the Settings button
  3. Check the box Pre-released updates
  4. Click the Check button in Update Manager
  5. Install the updates
  6. Reboot

Problem solved.

Optional:

  • Uncheck Pre-released updates in Update Manager settings to avoid getting potentially unstable updates in the future
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