This registry tweak allows you to view a lot of hidden information about devices installed in Windows XP.
Caution:
Incorrectly editing the registry may render your system inoperable - requiring the re-installation of Windows.
Editing the Registry:
Open the Registry Editor (RegEdit.exe).
Open HKEY_LOCAL_MACHINE to:
CurrentControlSet \ Control \ Session Manager \ Environment
In the right pane of RegEdit, right-click on DEVMGR_SHOW_DETAILS and select Modify from the drop-down menu.
Note: If DEVMGR_SHOW_DETAILS does not exist:
Create it by right-clicking in the right pane of the registry editor and select New\String Value from the drop-down menu.
Rename New Value #1 that is created to DEVMGR_SHOW_DETAILS and press enter - then follow the instruction given above in step 3.
In the Edit String dialog box enter the following value into the "Value Data" section:
1
Click OK button.
Exit the Registry Editor (RegEdit.exe).
To view the hidden information about installed devices, right-click on any device listed in the Device Manager and select properties from the drop-down menu.
The device properties dialog will now contain a "Details" tab revealing a host of previously hidden information covering:
- Device Instance ID
- Hardware IDs
- Compatible IDs
- Matching Device ID
- Service
- Enumerator
- Capabilities
- Devnode Flags
- Config Flags
- CSConfig Flags
- Ejection Relations
- Removal Relations
- Bus Relations
- Device Upper Filters
- Device Lower Filters
- Class Upper Filters
- Class Lower Filters
- Class Installer
- Class Coinstallers
- Device Coinstallers
- Firmware Revision
- Current Power State
- Power Capabilities
- Power State Mappings
Restoring the Registry Setting:
To turn off the "Details" tab, open RegEdit and open HKEY_LOCAL_MACHINE to:
CurrentControlSet \ Control \ Session Manager \ Environment
Change the DEVMGR_SHOW_DETAILS value to: 0
Completed Registry Setting:
| Hive | | HKEY_LOCAL_MACHINE |
|---|
| SubKey | CurrentControlSet \ Control \ Session Manager \ Environment |
|---|
| Name | DEVMGR_SHOW_DETAILS |
|---|
| Type | REG_SZ |
|---|
| Value | 1 |
|---|
Disclaimer:
This document is provided "as is" without any warranty of any kind, either expressed or implied. In no event will Sabresoft Systems be liable to you for any damages, including any loss of profit or savings, arising out of the use or inability to use the information contained in this document. Sabresoft Systems makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
