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Device Manager is the place where all drivers are displayed. An unknown device gets a yellow question mark against it in Device Manager. The causes could be one or a few – You could have installed the wrong device driver which the OS does not recognize.

Or the hardware itself could be faulty. All such cases lead a device driver to be classified as an unknown device. The easiest way to resolve an unknown status is to find device drivers from the manufacturer’s website and download them. The respective websites usually have drill down menus to take you to the right driver for your OS. But what if you can’t recollect the make or brand of the device?

To err is human; to fix it is divine duty. Thankfully, ways exist that makes correcting unknown device status as easy as a prayer. The Manual Way from the Device Manager Every device driver comes with two identity numbers – the Vendor ID and the Device ID. These two numbers can be used to track down the manufacturer and the specific device driver. The Device ID is the most unique identifier for a device. Hardware ID’s can be less specific. Device ID is what gets accessed first during setup.

• Open Device Manager from”¦ • Control Panel – System – Hardware – Device Manager (In Windows XP). • Control Panel – System and Maintenance – Administrative Tools – Computer Management – Device Manager (In Windows Vista). • Alternatively, in the Run box type devmgmt.msc. • Unknown devices would be listed as such and marked out with a yellow question mark.

Jmicron Card Reader Driver Windows 10 Hp more. • Select the unknown device and right click to access Properties. • In the Properties window click on Details tab and select Device Instance Id from the drop down. • An alphanumeric string like this PCI VEN_1217&DEV_7130&SUBSYS_012F1025&REV_01 4&6B16D5B&0&33F0 is the identification marker for the device. We only need to isolate the Vendor ID number (prefixed with VEN) and the Device ID number (prefixed with DEV).

In this case, Vendor ID is 1217 and Device ID is 7130. With the numbers identified, a few resources can be tapped to get the vendors behind these numbers. It is a reputedly the largest centralized database of PCI device IDs to find your device driver. Using the search box, you can search vendors and devices by IDs. Either one of the searches gives you the clue about the origins of this device.

Further information can be obtained from the vendor’s website or a Google search. The Software Way Using Unknown Devices A small free standalone software aptly named offers a quick way to get to the anonymous device drivers. The 630 KB sized software (beta ver.1.4.20) runs directly without an installation. The database used by the software comes in 3 text files located in the same folder. • The program scans the devices installed and displays the name of the manufacturer and the devices discovered.