What are the consequences for altering a driver?

Altering a driver, such as modifying its code or functionality, can lead to several serious consequences. These may include voiding warranties, violating software licensing agreements, and facing legal action from manufacturers or developers. Additionally, altered drivers can introduce system instability, security vulnerabilities, and compatibility issues, potentially leading to hardware malfunctions or data loss. Overall, such modifications can significantly compromise the reliability and safety of computer systems.