The correct "free" drivers come built into Ubuntu automatically.
If you install unofficial drivers like "https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers" then we cannot help you.
The correct "free" drivers come built into Ubuntu automatically.
If you install unofficial drivers like "https:/ /launchpad. net/~oibaf/ +archive/ ubuntu/ graphics- drivers" then we cannot help you.