To view devices and resource settings


Open Device Manager


On the View menu, click one of the following:


Devices by type

Displays devices by the type of device installed, such as Monitor or Mouse. The connection name is listed below the type. This is the default view.

Devices by connection

Displays devices by how they are connected in your computer. Each device is listed under the hardware to which it is connected. For example, if a small computer system interface (SCSI) card is listed, the devices attached to the SCSI card will be listed beneath it.

Resources by type

Displays the status of all allocated resources by the type of device using these resources. The resources are: direct memory access (DMA) channels, input/output ports (I/O ports), interrupt request (IRQ), and memory addresses 

Resources by connection

Displays the status of all allocated resources by connection type. The resources are: DMA channels, I/O ports, IRQ, and memory addresses.


To open Device Manager, click Start, and then click Control Panel. Click Performance and Maintenance, and then click System. On the Hardware tab, click Device Manager

To include hidden devices, on the View menu, click Show hidden devices. If the check box next to Show hidden devices is selected, hidden devices are showing. Click it again if you want to clear the check box. Hidden devices include non-Plug and Play devices (devices with earlier Windows device drivers).

Related Topics

Change resource settings for a device

View the status of a device

View information about a device driver

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