Device manager not showing up any devices.

Hi,

1.       Have you made any changes to the computer prior to the issue?

Try the Methods provided below and check if the issue persists.

Method 1:

Windows Device Manager needs to have the Plug and Play service enabled in order to work correctly

Try the steps provided below to check and enable the plug and play service.

a)      Click on start

b)      Type “Services” in the start search bar

c)       Scroll down and find the Plug and Play service. Double-click on it and make sure the Start up type is set to Automatic and click Start if the service is not running.

d)      Restart the computer.

Check to see if your Device Manager is still blank or not.

Method 2:

a)      Go to "Start",  and enter "regedt"

b)      Maximize the "HKEY_LOCAL_MACHINE" window.

c)       Scroll down to "SYSTEM\CurrentControlSet\Enum"

d)      With "Enum" selected click the "Security", "Permissions" menu.

Note: At this point you will probably notice there are no permissions on this key

e)      Click "Add".

f)       . Add the group "Everyone" and the user "SYSTEM".

g)      Select "Everyone" and check "Read" ONLY!

h)      Select "SYSTEM" and check "Full Control".

i)        Click the "Advanced" button at the bottom of the window

j)        On the Advanced window check "Reset permissions on all child objects...

k)      Click "OK"

l)        On the warning window click "Yes"

m)    Close Regedit

Note:

Modifying REGISTRY settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the configuring of REGISTRY settings can be solved. Modifications of these settings are at your own risk.