I am using manjaro

Recently, I installed many updates and the system is now broke. Evidently the nvidea driver on my machine is now no longer supported, but a free driver is.

I have used CTL-ALT-F3 to enter the OS and removed the nvidia driver.

However, when I typed sudo mhwd -a pci free 0300 to install the driver I noted a message: I/O error, using default script: failed.

Can someone tell me where I am going wrong?