Try reinstalling the driver using the driver wizard. If it doesn't work, replace it with a system disk reloading system that can automatically install the hardware driver of the machine, so that the problem that the usb-to-232 device can not be used can be solved automatically and smoothly. U disk or hard disk can be used, and the installation speed is very fast. But the key is to have a system disk that is compatible (compatible with ide, achi and Raid mode installation) and can be automatically and permanently activated, and can automatically install the machine hardware driver sequence, so that the system can be automatically and smoothly reinstalled in the whole process. The method is as follows:

1, U disk installation: download a verified system installation disk file (ISO file), make a startup U disk for installing the system with ultraiso software, start the machine with this prepared system U disk, and then the system can be installed smoothly;

2. Hard disk installation: The premise is that you need a Windows system that can run normally, and select "*". GHO and installation system. EXE "from the downloaded ISO file to the non-system partition of the computer, and then run" Install System ". EXE ",press enter directly to confirm the recovery operation, and confirm the automatic installation operation again. (Pay attention to backup the important data of disk C before execution! );

3. Graphic tutorial: How can I give you a detailed graphic installation tutorial in this respect? Can't attach. Will be judged illegal by the system. The address is in .................................................................................! Hope to adopt!