My Device Manager Page is blank, no devices. Iv'e removed updates,checked Plug and Play services I am at a loss. Some devices seem to function. My Modem does not nor does CD drive if I want too write to it. Auto start disks work fine! Anyone??????? Wayne

Go to start/run and enter sfc /scannow and then click OK.
Maybe something will pop up.

Go to Start/Administrative Tools/Services. Scroll down to Plug and Play
Service and stop and restart it. Once done the Device Manager will populate
again.
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Check the Permissions of HKey_Local_Machine\System\
CurrentControlSet\Enum
Should have two users:
Everyone = Read permission
System = Full
Navigate to the key using Regedit, Right Click the Enum key
and then click Permissions.
http://forums.wugnet.com/ya-Device-Manager-Blank-problem-ftopict447083.html

Allways back up registery first!Read how to in link!! http://www.computerhope.com/registry.htm