"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 devices. Conflicts and so on. However, do you know how to use it? Let's take a look at it.
1. Let your "Device Manager" more powerful
"Device Manager" is our management of computer equipment is a good helper, in fact, just by following a few simple steps can make Your Device Manager shows 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's the difference? Right, there is a "Details" tab that will help you get a deeper understanding of the specific parameters of your computer components. However, 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. Until then open the "My Computer" or Explorer, you'll find the drive letter has gone
Tip:! Also, if your CD-ROM drive separately connected to the second IDE interface, You can also hide the CD-ROM drive by disabling the Secondary IDE Channel: first find the IDE ATA/ATAPI Controller item in the Device Manager and expand it, then right-click on the Secondary IDE Channel and select Deactivate the 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 in the list A few more devices, after comparison, found three hidden devices, they are: NT Apm /Legacy support - NT Apm /Legacy Interface Node (Hint: If your Windows XP is powered off after power off, then it is very likely 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.