Fixing A Problem With Device Manager - Toshiba Tecra A9 Series User Manual

Plug and Play
With Plug and Play and the operating system, avoiding hardware
conflicts is easy. Plug and Play is a computer standard that helps the
system BIOS (basic input/output system) and the operating system
to automatically assign system resources to Plug and Play-
compliant devices. In theory, if every device connected to the
computer is Plug and Play-compliant, no two devices will compete
for the same system resources. Plug in the device and turn on your
computer. The operating system is automatically set up to
accommodate the new device.
If you install an older (legacy) device that the operating system
cannot recognize, the operating system may have difficulty
assigning resources to it. As a result, a hardware conflict can occur.
Resolving conflicts
There are several things you can do to resolve hardware conflicts:
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Fixing a problem with Device Manager

Device Manager provides a way to check and change the
configuration of a device.
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Get the most recent drivers from the manufacturer.
Disable the device.
For an older device, remove it from the computer.
Disable another system component and use its resources for the
new device. See "Fixing a problem with Device Manager" on
page 181.
Reconfigure the device so that its requirements do not conflict.
Refer to the device's documentation for instructions about
changing settings on the device.
Changing the default settings using Device Manager can cause other
conflicts that make one or more devices unusable. Device Manager
is a configuration tool for advanced users who understand
configuration parameters and the ramifications of changing them.
If Something Goes Wrong
Resolving a hardware conflict
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