Device Manager list is empty.
Original title: unable to display the Device Manager in windows 7
What can I do for the list in Device Manager? It does not show anything.
Hi Tracy55,
Thanks for posting the request in the Microsoft Community. It seems that the list of Device Manager is empty.
Answering this question that will help us to better help you:
Were there recent changes made on the computer before the show?
This problem occurs if the Plug-and-Play service has been disabled (disabled).
Please follow the steps below and we update with the results.
Method 1: To resolve this problem, set the startup type for Plug-and-Play on automatic. To do this, follow these steps:
a. Click Start and run, type services.msc, and then click OK.
b. double-click Plug-and-Play. If you receive a Configuration Manager message, click OK.
c. in the Startup Type list, click Automatic, and then OK.
d. close Services.
e. restart the computer.
Method 2: The other reason, Device Manager may be empty is because there are some security issues with the registry key.
Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:
How to back up and restore the registry in Windows
http://Windows.Microsoft.com/en-us/Windows7/back-up-the-registry
Try following registry editing to fix your problem:
a. click "Start", click "Run", type "regedt32" and press ENTER.
b. expand the "HKEY_LOCAL_MACHINE" window
c. scroll down to "SYSTEM\CurrentControlSet\Enum".
d.Enum"selected, click on"security","Permissions"menu.
Note: At this point, you'll probably notice that there are no permissions on this key.
e. click 'Add'.
f. Add the group "everyone" and the "SYSTEM" user.
g. Select "everyone" and check "read" ONLY!
h. Select 'SYSTEM' and check the 'total control'.
i. click on the button "Advanced" at the bottom of the window.
j. in the Advanced window, select "Reset permissions on all child objects...". »
k. click 'OK'.
l. in the warning window click "Yes."
Mr. close the registry editor and check with the question.
Let us know if it helps. If you have any questions with Windows do not hesitate to answer and we will be happy to help.
Tags: Windows
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http://support.Microsoft.com/kb/311504
This is for XP, but I don't see why it wouldn't also apply to vista.
SYMPTOMS
When you open Device Manager, no devices appear in the list. Instead, a blank window appears.CAUSEThis problem occurs if the Plug-and-Play service has been disabled (disabled).RESOLUTIONTo resolve this problem, set the startup type for Plug-and-Play on automatic. To do this, follow these steps:- Click Start, click run, type services.msc and click OK.
- Double-click Plug-and-Play.
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- Services nearby.
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STATUS
This behavior is by design. MORE INFORMATIONPlug-and-Play is a main operating system service, and therefore, it is best to not disable. It works in normal mode and in safe mode. -
I don't get anything on my Device Manager list. I already tried this:
- Click Start, click run, type services.msc and click OK.
- Double-click Plug-and-Play.
If you receive a Configuration Manager message, click OK. - In the Startup Type list, click Automatic, and then click OK.
- Services nearby.
- Restart the computer.
It didn't work, I don't know any other alternative for this execution. I am trying to install a hp printer all in one and it would not show on the hp Solution Center, obviously its not detected or nothing appears in list manager of devices of all... someone help pls...
Hi please black_angel, try the following steps. Following are the three different steps to resolve the problem... Please try one of the measures listed. Resolution: Step 1: Article from Microsoft: No. elements appear in the Device Manager list when you open it http://support.microsoft.com/kb/311504 Please note: the URL above will take you to a web site with HP no. HP does not control and is not responsible for information outside the HP Web site. Step 2: Give the patch 107: restore the Manager of devices http://www.kellys-korner-xp.com/regs_edits/devicemanagerrestore.reg please take note: the URL above will take you to a web site with HP no. HP does not control and is not responsible for information outside the HP Web site. Step 3: 1. Go to "Start", "Run" and type "regedt32" 2. Expand the "HKEY_LOCAL_MACHINE" window 3 scroll down to "SYSTEM\CurrentControlSet\Enum" 4. "Enum' selected, click Edit > > menu"permissions. " Note: At this point you will probably notice that there are no permissions on this key. 5. click on 'Add '. 6 Add the group "Everyone" and the user 'SYSTEM '. 7. Select 'All' and check 'Read' ONLY! 8 select 'SYSTEM' and check "full control". 9. click on the button "Advanced" at the bottom of the window. 10. in the Advanced window, check "reset permissions on all child objects...". "11. click 'OK' 12. In the warning window click on 'Yes' 13. HP close REGEDT32 technician
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Hello
What is the brand and model of the computer?
When you open Device Manager, no devices appear in the list. Instead, a blank window appears.
This problem occurs if the Plug-and-Play service has been disabled (disabled).
Method 1:
To resolve this problem, set the startup type for Plug-and-Play on automatic. To do this, follow these steps:
a. Click Start and run, type services.msc, and then click OK.
b. double-click Plug-and-Play. If you receive a Configuration Manager message, click OK.
c. in the Startup Type list, click Automatic, and thenOK.
d. close Services.
e. restart the computer.
Method 2:
The other reason, Device Manager may be empty is because there are some security issues with the registry key.
Note: serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article:http://windows.microsoft.com/en-US/windows7/Back-up-the-registry
a. click on start-> Run-> type regedit.exe.
b. search for the following: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum
c. now right-click on Enum and click Permissions.
d. click on the Add button and type everyone, and then click OK. Check the box allow next to the reading for everyone. Now click on add and enter the system. Check the box allow next to the read and full control to the system.
e. the two check boxes under allow must be selected when you highlight the system. Also be sure to click on the Advanced button after adding the two users and select Reset entry permission on all child objects with the entries displayed here and that apply to child objects. Click OK.
f. restart your computer now and check if the problem persists.
Method 3:
Perform a SFC scan on your computer. Consult the following link:
How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7
http://support.Microsoft.com/kb/929833
Hope this information helps. Response with status so that we can help you.
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White Win 7 Device Manager screen
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Any ideas?Hello
When you open Device Manager, no devices appear in the list. Instead, a blank window appears.
This problem occurs if the Plug-and-Play service has been disabled (disabled).
Method 1: To resolve this problem, set the startup type for Plug-and-Play on automatic. To do this, follow these steps:
a. Click Start and run, type services.msc, and then click OK.
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c. in the Startup Type list, click Automatic, and then OK.
d. close Services.
e. restart the computer.
Method 2:
The other reason, Device Manager may be empty is because there are some security issues with the registry key.
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a. click on start-> Run-> type regedit.exe.
b. search for the following: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum
c. now right-click on Enum and click Permissions.
d. click on the Add button and type everyone, and then click OK. Check the box allow next to the reading for everyone. Now click on add and enter the system. Check the box allow next to the read and full control to the system.
e. the two check boxes under allow must be selected when you highlight the system. Also be sure to click on the Advanced button after adding the two users and select Reset entry permission on all child objects with the entries displayed here and that apply to child objects. Click OK.
f. restart your computer now and check if the problem persists.
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TrevorHello
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