Plug & Play does not work - cell HP Pavilion dm4 - Windows 7

These three issues all occurred as soon as I uninstalled Norton (demo of limited duration which came with my PC) and installed AVG. I think they are all symptoms of the same underlying issue.

1. the popup saying "no amd graphics driver is installed or the amd driver does not work correctly.

2. device Manager is empty.

3. connect & Play will not find my scanner (who worked previously).

I searched using Google and found a number of indications, which neither help my PC: making sure plug & play service is running (it is); changing permissions with Regedit (even the user Admin is said that they do not have the authorization).

I asked AVG support for advice, and they blame Norton (well, they would say who they don't?)

Any ideas?

If you start in safe mode with networking, is still a Virgin in the Device Manager?  This can be done in turn on/off the system by pressing F8 about once per second to get the safe mode option.

Is there a restore point before problems happen?  If so, restore to that date.  Once restored, run the Norton removal tool to Norton is removed (a system restore will most likely restore any software who was present at that date) then note whether the issues are present before installing AVG.

Let me know what happens.

Tags: Notebooks

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