Device manager is blank even when plug and play service was running.
The issue is security permissions in the registry. You must use regedt32.exe.
You must be logged on as a local administrator to perform this task:
1. Go to "Start", "Run", and enter "regedt32"
2. Maximize the "HKEY_LOCAL_MACHINE" window.
3. Scroll down to "SYSTEM\CurrentControlSet\Enum"
4. With "Enum" selected right-click on it and click on the "Security" in "Permissions" menu.
Note: At this point you will probably notice there are no permissions on this key.
5. Click "Add".
6. Add the group "Everyone" and the user "SYSTEM".
7. Select "Everyone" and check "Read" ONLY!
8. Select "SYSTEM" and check "Full Control".
9. Click the "Advanced" button at the bottom of the window.
10. On the Advanced window check "Replace permissions on all child objects..."
11. Click "OK"
12. On the warning window click "Yes"
13. Close REGEDT32
The issue is security permissions in the registry. You must use regedt32.exe.
You must be logged on as a local administrator to perform this task:
1. Go to "Start", "Run", and enter "regedt32"
2. Maximize the "HKEY_LOCAL_MACHINE" window.
3. Scroll down to "SYSTEM\CurrentControlSet\Enum"
4. With "Enum" selected right-click on it and click on the "Security" in "Permissions" menu.
Note: At this point you will probably notice there are no permissions on this key.
5. Click "Add".
6. Add the group "Everyone" and the user "SYSTEM".
7. Select "Everyone" and check "Read" ONLY!
8. Select "SYSTEM" and check "Full Control".
9. Click the "Advanced" button at the bottom of the window.
10. On the Advanced window check "Replace permissions on all child objects..."
11. Click "OK"
12. On the warning window click "Yes"
13. Close REGEDT32
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