請問XP裡如何恢復"增加刪除硬體"的選項?

[psac]

Q:
請問XP裡如何恢復"增加/刪除硬體"的選項?
在2000下的控制台是"增加/刪除硬體",而在XP和２００３下只有〞增加硬體〞！請問怎樣才能恢復成〞增加/刪除硬體〞的選項呢？想知道，XP下好多網路卡都刪不掉...
裝置管理員裡面完成去
先停止設備
在卸載設備
全部在右鍵表單裡面完成
至於如何開啟硬體裝置管理員，Windows說明 裡面有非常詳細的描述
雖照這個試過了，沒用的，以前的有的還是刪不下去的。
謝謝！！！


A:
先在註冊表裡建立這兩個鍵值：

[HKEY_LOCAL_MACHINE \SYSTEM \CurrentControlSet \Control \Session Manager \Environment]
DEVMGR_SHOW_DETAILS = "1"
DEVMGR_SHOW_NONPRESENT_DEVICES = "1"

然後Show Hidden Devices

參考：
http://support.microsoft.com/?id=315539

Device Manager Does Not Display Devices That Are Not Connected to the Windows XP-Based Computer
適用於
This article was previously published under Q315539
SYMPTOMS
Device Manager displays only non-Plug and Play devices, drivers, and printers when you click Show hidden devices on the View menu. Devices that you install that are not connected to the computer (such as a Universal Serial Bus [USB] device or "ghosted" devices) are not displayed in Device Manager, even when you click Show hidden devices.
WORKAROUND
To work around this behavior and display devices when you click Show hidden devices:
Click Start, point to All Programs, point to Accessories, and then click Command Prompt.
Type the following command a command prompt, and then press ENTER:
set devmgr_show_nonpresent_devices=1

Type the following command a command prompt, and then press ENTER (where %SystemRoot% is the folder in which Windows XP is installed):
cd\%SystemRoot%\system32

Type the following command a command prompt, and then press ENTER:
start devmgmt.msc

Troubleshoot the devices and drivers in Device Manager.

NOTE: Click Show hidden devices on the View menu in Device Managers before you can see devices that are not connected to the computer.
When you finish troubleshooting, close Device Manager.
Type exit at the command prompt.

Note that when you close the command prompt window, Window clears the devmgr_show_nonpresent_devices=1 variable that you set in step 2 and prevents ghosted devices from being displayed when you click Show hidden devices.
If you are a developer or power user and you want to be able to view devices that are not connected to your computer, set this environment variable globally:
Right-click My Computer.
Click Properties.
Click the Advanced tab.
Click the Environment Variables tab.
Set the variables in the System Variables box.
NOTE: Use this method only for troubleshooting or development purposes, or to prevent users from accidentally uninstalling a required device that is not connected to the computer (such as a USB device or docking station that is not connected to a laptop computer).
STATUS
This behavior is by design.
MORE INFORMATION
In Device Manager, there are two types of hidden devices in addition to the devices that are displayed:
Typical, hidden devices that are not displayed (non-Plug and Play drivers, printers, and so on)

-and-
Phantom devices that are not connected to the computer
The information in this article applies to:
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional