Device Manager Application Tips

"Device Manager" is one of the homework magic tools that DIYer often uses. Here you can manage common devices, including device deactivation or enablement, update device drivers and Solve conflicts between devices and more. However, do you know how to use it? Let's take a look at it.

1. Make your "Device Manager" more powerful

"Device Manager" is a good helper for us to manage computer devices, in fact, you can let your "Device Manager" display through the following simple steps More device details to make it even more powerful.

Click "Start → Run", type "cmd" and press Enter to open the command prompt window. Enter "set DEVMGR_SHOW_DETAILS=1" and press Enter, then type "start devmgmt.msc" and press Enter to start the Device Manager. Take a closer look at your "Device Manager" and find out what is different? By the way, there is an additional "details" tab that will help you get a deeper understanding of the specific parameters of your computer components. But the fly in the ointment is that after closing the "Device Manager", the "Details" tab will disappear when you open it again next time!

2. Cleverly hide the optical drive


Click "Start → Run", type "devmgmt.msc" and press Enter to open the "Device Manager". Then find and expand the "DVD/CD-ROM drive" in the "Device Manager", select the specific drive model you want to hide (if there are more than one), then click the "Deactivate" button on the toolbar or from the right-click menu Select "Deactivate" in the system, the system will pop up a confirmation dialog box, click the "Yes" button directly, after a while you can see that there is a cross in front of the device, indicating that the CD-ROM drive has been disabled. At this point, open "My Computer" or Explorer, you will find that the drive letter has disappeared!

Tip: In addition, if your CD-ROM drive is connected to the second IDE interface separately, you can also hide the CD-ROM drive by disabling the "Secondary IDE Channel": first in the "Device Manager" Find the "IDE ATA/ATAPI Controller" item and expand it, then right-click on "Secondary IDE Channel" and select the "Deactivate" command.

3. Let all devices display


Let's take Windows XP as an example: Click "View → Show hidden devices" in the "Device Manager" window, you will find several devices in the list. After comparison, I found three hidden devices, which are:

NT Apm/Legacy support - NT Apm/Legacy Interface Node (Hint: If your Windows XP is powered off, it is very power, then it is very Probably because the NT Apm/Legacy Interface Node is not started, try booting it to see if it solves the problem); storage volume - generic volume; non-plug and play driver.