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• Testout Network Pro Chapter 4 Quizlet

When opening the Device Manager, you should see a screen similar to the example picture to the right. All categories should have +'s or arrows pointing to the right next to each of the device categorieswith no Other devices or Unknown devices listed. However, when problems occur, you may have one or more of the errors below.

USB 3.0 ports support up to 5Gbit which equals to a maximum of four HD USB capture devices. In practice, however, it is unlikely you will be able to connect more than 2 without dropping frames. Some computers may provide more than one USB 'channel' or 'hub' that has its own dedicated bandwidth, in the case of laptops, usually the ports on.

If you receive an error when trying to open the Device Manager, this may be an indication of corrupt files in Windows. It may be necessary to run a Windows repair process, using the Windows CD or DVD, to correct this issue.

Testout Network Pro Chapter 4 Quizlet

Exclamation mark or other devices

When a device has a yellow circle with an exclamation mark under Other devices, this indicates that the device is conflicting with other hardware. Or, it may indicate that the device or its drivers are not installed properly.

Double-clicking and opening the device with the error shows you an error code.

What to do with exclamation mark or other devices

Remove all devices with an exclamation mark and any Other devices from Device Manager by highlighting them and pressing the delete key on the keyboard. Once they have all been removed, reboot the computer and allow Windows to re-detect the devices.

If after rebooting the computer, the Device Manager remains the same, Windows is not installing the devices because it lacks the proper driver support. You need to download the latest drivers for that deviceor use the original installation disc that came with the hardware.

Red 'x'

The device is disabled, removed, or Windows is unable to locate the device.

What to do with red X

If you want this device enabled, double-click the device with a red x.At the bottom of the General tab, click the Device usage drop-down box where it says Do not use this device (disabled) and select'Use this device (enabled)'.

If this is not available or is already enabled,highlight the device in Device Manager and press delete on the keyboard to remove the device. Reboot the computer and let Windows re-detect the device.

If after rebooting the computer, the Device Manager remains the same, Windows is not installing the devices because it lacks the proper driver support. You'll need to download the latest drivers for that deviceor use the original installation disc that came with the hardware.

Down arrow

In Windows Vista and later, if you see a small down arrownext to the device as shown in the picture, this is an indication that the device is disabled.

What to do with down arrow

To resolve this issue, double-click the device, click the Driver tab and click the Enable button. After it is enabled, restart the computer, if prompted to do so.

Missing hardware or Unknown device

Missing hardware

If you do not see the device you are trying to install in Device Manager, and there are no 'Other devices' listed, this is an indication that the device is not being detected. Even if Windows does not have the proper driver support for the device, it should still put that device under Other devices or Unknown device.

Try turning off the computer, disconnecting and reconnecting the hardware device, and turning the computer back on. If Windows still does not detect the device, either that device is not compatible with your version of Windows, or it is bad.

Unknown device

If devices are being detected but are showing in Device Manager as an Unknown device, this is an indication that Windows does not have the proper driver support for that device.

Sometimes identifying an Unknown device can be difficult if you have not installed anything recently and have no idea what the Unknown device may be in the computer.

If you have recently reinstalled Windows many times, you could get more than one Unknown device in the computer. Installing the computer's chipset drivers either on the CD that came with your motherboard or a driver disc that came with your computer should solve most, if not all, Unknown devices. Also, going through the setup on your driver CD can solve many Unknown device problems.

If you are trying to install a new device for your computer, make sure to run the setup or install the drivers from the included disc. If you do not have a drivers disc, the drivers can be downloaded from the manufacturer's website.

Additional information

• See our Device Manager definition for further information and related links.