Windows 7 not locking, gpo Set, Screen just goes black

Jeanie Francis-Hayes
Jeanie Francis-Hayes used Ask the Experts™
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We have about 10 computers out of 600, where the User GPO setting to lock computers is not functioning properly.  We used IDLE TImer to watch the computers activity,  There was no activity and after 30 minutes the screen goes black.  However, the desktop will not lock until you move the Mouse.  We also updated mouse drivers.  We logged in as a new user and the same problem occurred.  In checking the register the settings are correct.  Where do we go from here?
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ste5anSenior Developer

Commented:
Well, are these 600 identical machines? Then replace them.
When they are not identical, then check the driver installations: Chipset (mainboard), NIC, GPU.
Jeanie Francis-HayesEnterprise Applications Administrator

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Commented:
Unfortunately, they are not identical.    Chipsets, NIC, are all update to date.
Top Expert 2016
Commented:
change your display timeout to be longer than the lock machine timeout.

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