What should I do if I install the exclamation mark on the win10 Prolific USB-to-Serial Comm Port serial port driver?

php editor Xigua will introduce to you how to solve the problem of "win10 Prolific USB-to-Serial Comm Port serial port driver installation exclamation mark". When installing the serial port driver, an exclamation mark sometimes appears, which means that the driver cannot be installed normally. There are several ways to resolve this issue, including updating the driver, disabling digital signature verification, and reinstalling the driver. Through these methods, you can successfully solve the problem of the exclamation mark in the serial port driver installation and ensure that the serial port device works normally. Next, we will introduce the steps and operational details of each method in detail.

Solution: Disable win10 driver signature

Steps:

1. Click the windows icon----Enter Settings---Click Update and Security----Restore ---Click "Restart Now" under "Advanced Startup"

2. After restarting, select "Troubleshoot"---Advanced Options---Startup Settings--Restart---Press F7 to disable Driver signature enforcement.

#3. Then wait for booting.

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