A hardware profile is a collection of configuration information about the hardware that is installed on your computer. Within a profile, you can enable or disable each part of hardware or provide specific configuration information.
Windows XP Professional automatically creates two hardware profiles for laptop computers: one for the docked state and one for the undocked state You can have many hardware profiles on a computer and switch between different profiles when booting into Windows XP.
Windows XP Professional automatically creates two hardware profiles for laptop computers: one for the docked state and one for the undocked state You can have many hardware profiles on a computer and switch between different profiles when booting into Windows XP.
HKEY_CURRENT_CONFIG Contains data on the active hardware profile extracted from the SOFTWARE and SYSTEM hives. This information is used to configure settings such as the device drivers to load and the display resolution to use.
When should someone use hardware profile?
Hardware profiles are useful when you have one or more hardware devices that you want to disable sometimes and enable other times. Rather than enabling and disabling the devices using Device Manager each time you start Windows, you can create hardware profiles in which the devices are enabled or disabled, and then just choose the correct hardware profile during startup.
assume that you have a user with a portable computer. When he is at home, the computer is connected to an external monitor, keyboard, mouse, and printer. When the user takes the computer away from home, none of these devices is connected. You could set his computer up with two hardware profiles: one in which those devices were enabled, and one in which they were disabled.
How to create hardware profile?
On Xp system from start menu select my computer and do right click and select
properties
In the System Properties dialog box, on the Hardware tab, click the Hardware Profilesbutton.

By default, Windows creates one hardware profile named Profile 1 during installation.
To create an additional hardware profile
To create an additional hardware profile
In the Hardware Profiles dialog box select Profile 1 (Current),

and then click the Copy button.
and then click the Copy button.
You cannot create a new profile directly; you must copy an existing profile and then modify the copy.
In the Copy Profile dialog box, type a name test for the new profile, and then click OK.

Click OK to return to the System Properties dialog box, and then click OK again to return to Windows.
Click OK to return to the System Properties dialog box, and then click OK again to return to Windows.
How to Configure Hardware Settings in a Profile
If there are two or more profiles in the Available Hardware Profiles list, Windows XP Professional prompts the user to make a selection during startup
Upon system restart xp will show option to choose for hardware profile choose test form the list

Once system boots open device manager and configure devices for this profile. For testing we have disabled two device in this profile

Now restart the system and this time select the default profile.

As we disabled Lan card in test profile, while leaving enable in default profile. So it should remain enable this time check in My network place properties

How to delete hardware profile?
To delete a profile open system manage and select hardware profile. You cannot delete the active profile.

Currently you are logged in with profile that's why delete tab is not highlighted now select test profile

Click on delete button and confirm the delete in dialog box by clicking yes

Click ok and ok to close system manager
Currently you are logged in with profile that's why delete tab is not highlighted now select test profile
Click on delete button and confirm the delete in dialog box by clicking yes
Click ok and ok to close system manager
After restart there will be only one profile so will not see any selection menu.
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