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Windows 7 Sleep greyed out

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Started ‎04-16-2012 by
Modified ‎04-16-2012 by
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Windows 7 Sleep greyed out

Question

A week ago, I bought ThinkPad W520 with Windows 7 Professional. When I click Start, right arrow button next to the Shut Down (could be other depends on your settings) and I realize Sleep is greyed out and when it is pressed, there is no response. What could be the problem?

Answer

This problem applies to all of the Windows-based systems. 

Windows XP and prior Windows OS - Standby

Windows Vista, 7 and newer Windows OS - Sleep

 

1. ThinkVantage System Update

Go to Start, Control Panel, Lenovo - Update and drivers and install all the updates. You would need graphic card drivers to be installed in order for Sleep / Standby mode to work.

 

2. Manual Install (*applies to ThinkPad T#20,s/i/si and W520 with NVIDIA Optimus)

If the problem is not resolved after using ThinkVantage System Update, go to the link below, download and install this driver.

http://support.lenovo.com/en_US/downloads/detail.p​age?DocID=DS013693

 

 


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