Basic devices like a usb flash drive are usually

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Basic devices like a USB flash drive are usually detected automatically by the operating system.Usually Windows will automatically load the appropriate drivers as long as it has the correct driver available in its driver store. More complex devices may require you to manually load a driver before it will be listed in device manager. For example, if you install a high-end audio interface in an expansion slot in the system,you would first load the appropriate device driver manually. Then, you would access device managerand verify that the device is listed. Device Manager Icons 2:29-2:55 If there is a problem with the device or its driver, then an icon will be displayed next to that device in device manager. If a device is disabled in device manager, it will be identified with a grayed downward pointing arrow icon. If the device hardware is not working properly, it will be identified with a yellow triangle icon with a black exclamation point within it. If a device has been detected, but a driver has not been loaded to support it, a yellow question mark icon will be displayed. Troubleshooting a Device 2:56-3:44 If you're experiencing problems with a device, one of your first troubleshooting steps should be to verify that the device is working correctly or that there is a problem with the computer itself. An easy way to do this is to install the device in a different, known good computer system. If the device
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works in the known good system, but not in the target system, then you know that the problem lies somewhere with the computer itself. In this case, you may want to try connecting the device to a different USB port, expansion slot or motherboard connector, whichever is appropriate for the device. However, if the device doesn't work in the known good system either, then you know the problem most likely lies with the device. If you have a known good device of the same type, make and model,you can try installing it in the system instead. If that works, then you can be fairly confident that the original device is defective. Device Driver Issues 3:45-4:35 Usually updating device drivers with newer versions as they are released is a good idea. Updates are intended to rectify bugs found in earlier driver versions. However, sometimes an updated version of a driver can cause more problems than it fixes. Sometimes it can even crash the system, resulting in a blue screen error. If this happens, you can revert the system to an earlier version of the driver. There are several ways to do this. Roll back the device driver in device manager. Access the properties of the device and select roll back driver on the driver tab. Uninstall the device and its driver, then reinstall. Revert the entire system to a restore point that was created prior to the driver update. If the misbehaving driver is causing the system to not boot, then try booting into safe mode and reverting the system to an earlier restore point.
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