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IdeaPad U460 models may shutdown unexpectedly


The system shuts down unexpectedly during normal usage.

This tip is for the following regions: North America, South America, Central America, Western Europe, ASEAN adn RUCIS


All U460 models configured with discrete graphics that were manufactured between 1st June 2010 and 15th August 2010.

(U460S is not affected)


Root cause:

There is a defect that affects a small percentage of the heat-sinks used on the U460 that causes the graphics processor to overheat, causing the system to shutdown.


Any customer who experiences repeated unexpected shut downs should call the support number listed in their user guide. This can also be found at:

Lenovo will arrange for the system to be sent to the depot to have it reworked.

  • Alias ID: 12866115959946
  • Document ID: HT071435
  • Last Updated :26 Mar 2014
  • (c) 2014 Lenovo