centos硬件驱动升级
If you are experiencing weird issues after upgrading your hardware, or you’ve just upgraded to the latest hardware device and aren’t seeing the performance you’d like, you might want to remove the old drivers which are still installed for the old hardware, even though you can’t normally see them in device manager.
如果升级硬件后遇到奇怪的问题，或者您只是升级到最新的硬件设备而没有看到所需的性能，则可能要删除仍为旧硬件安装的旧驱动程序，即使您通常无法在设备管理器中看到它们。
What you have to do is set a less-known flag to allow you to see non-present devices, and then launch device manager. You’ll then see the old devices in the list, and can uninstall the drivers for them.
您要做的是设置一个鲜为人知的标志，以允许您查看不存在的设备，然后启动设备管理器。 然后，您会在列表中看到旧设备，并可以为它们卸载驱动程序。
In Windows 7 or Vista, the first thing you’ll need to do is open a command prompt in administrator mode. Type cmd into the start menu search box, and then use Ctrl+Shift+Enter to open in administrator mode. (You can also right-click on the command prompt and choose Run as Administrator)
在Windows 7或Vista中，您需要做的第一件事是以管理员模式打开命令提示符。 在开始菜单搜索框中键入cmd ，然后使用Ctrl + Shift + Enter在管理员模式下打开。 (您也可以右键单击命令提示符，然后选择以管理员身份运行)
Now paste in the following line:
现在粘贴以下行：
SET DEVMGR_SHOW_NONPRESENT_DEVICES=1
SET DEVMGR_SHOW_NONPRESENT_DEVICES = 1
Then type in devmgmt.msc to start up Device Manager from the administrator command prompt:
然后键入devmgmt.msc以从管理员命令提示符启动设备管理器：
Once you are in Device Manager, go to the View menu and choose Show Hidden Devices, which will show all the device drivers including things that aren’t currently installed in your computer.
进入“设备管理器”后，进入“查看”菜单，然后选择“显示隐藏的设备”，它将显示所有设备驱动程序，包括计算机上当前未安装的驱动程序。
Notice how I have 6 mice in the list, even though I only have two installed (and my drawing tablet). The other 3 mice are old mice that I’ve used until they died…. the Geek tends to wear through input devices very quickly since he never leaves the computer…
请注意，即使我只安装了两只鼠标(和绘图板)，列表中还是有6只鼠标。 另外三只老鼠是我用过的老老鼠，直到它们死了……。 极客倾向于很快穿破输入设备，因为他从未离开过计算机……
You can right-click on the driver and then choose Uninstall from the menu to remove the drivers for that old hardware.
您可以右键单击驱动程序，然后从菜单中选择“卸载”以删除该旧硬件的驱动程序。
I’ve found that this can resolve a lot of weird issues, and even increase performance on some machines where you’ve upgraded a ton of times. This isn’t necessarily going to increase performance, but it’s nice to have a tidy computer nonetheless.
我发现这可以解决很多奇怪的问题，甚至可以提高某些您已经升级了很多次的计算机的性能。 这不一定会提高性能，但是拥有一台整洁的计算机还是很不错的。
This tip also works the same in Windows 7, Vista, and XP.
本技巧在Windows 7，Vista和XP中也相同。
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翻译自: https://www.howtogeek.com/howto/windows-vista/remove-old-drivers-after-upgrading-to-new-hardware/
centos硬件驱动升级