Search-Driven Method

Lab environment: Windows XP

 

USB and other devices cannot be recognized on the computer, probably because there is no suitable driver. Teach you how to find a driver.

"Start"-"run. Enter devmgmt. MSC to enter the Device Manager.

In the Device Manager, find the device with a yellow question mark (no yellow question mark? Right-click the attribute and select the "details" tab in the Open Properties window. The following figure is displayed.

 

The above string of characters

"USB \ vid_067b \ pid_2303 \ 5 &......"

USB indicates the access type of the device. The VID is the vendor ID and the PID is the product ID ). Therefore, we can know the device by VID and find the corresponding driver by PID.

There is a website dedicated to registering these numbers.

Http://www.pcidatabase.com/

 

In device search, enter the device number. Here we enter 2303

Two results are found.

Combined with the results of vendor search, we can know that what we want is the first result, namely prolific Technology Inc. Click this link. The driver URL is displayed:

 

Http://www.prolific.com.tw/eng/downloads.asp? Id = 31

 

Of course, you can also enter the PID in Google to find the corresponding driver.