Knowledge Base

KCS 594235 - Keyboard, Touchpad, and USB not Responsive With Sophos on Latitude E6430


Article Summary:

Users of Latitude E6430 with Sophos installed may report the keyboard and touchpad may not respond when resuming from standby.



Table of Contents:

1. Keyboard, Touchpad, and USB not Responsive With Sophos on Latitude E6430

2. Change Power On Authentication settings in Sophos


Problem

Keyboard, Touchpad, and USB not Responsive With Sophos on Latitude E6430


Users with the Latitude E6430 and Sophos security software may report that the keyboard and the touchpad are not responding when the system resumes from standby. As a side effect, the USB ports also do not function.

This problem was verified with the Latitude E6430 with Sophos SGN 6.0.1.31.


Solution

Change Power On Authentication settings in Sophos


The Power on Authentication (POA) settings in Sophos must be changed to allow the touchpad and keyboard to function.

Settings should be changed to the following :

· USBLEGACY ON

· VESA ON

· USB ON

· ATA OFF

· USB20 ON

· ACPIAPIC OFF

· APIC ON

For instructions on adjusting the settings, please refer to the following Sophos Knowledge Base information :

http://www.sophos.com/en-us/support/knowledgebase/107781.aspx

 


Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

Article ID: SLN171649

Last Date Modified: 01/22/2013 12:00 AM


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