Previously, some netizens upgraded the computer system from Win8 to Win10. When the device manager was opened, it found that an unknown device named “F5521gw” was added and the driver was not installed. This driver has not appeared before, so what is F5521gw? At the same time, how to deal with this location device driver?
Problem Analysis:
After analysis, the hardware ID of the device is: USB\\VID_0BDB&PID_1911 or USB\\VID_0BDB&PID_1912 This device is integrated in the notebook “Ericsson WWAN card&rdquo ; As for why in the unknown device, it is because the device is not currently downloaded in the Win10 system driver.
Solution:
Pass the test, if you use Win10 automatic update still does not make the device work normally, please download the Win7 or Win8.1 driver from the official website of the laptop to see if it can be used instead. .
If you still can't use it after installation, please wait patiently for the Win10 compatible driver, or temporarily roll back to Win7/Win8.1 system.
At present, the problem mainly occurs on some older notebook devices. If the user encounters this problem after upgrading the Win10 system, try to solve the problem by the above method.
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