As a computer virus is only code, it cannot physically damage computer hardware. ... If you have problems with a computer hardware device, such as a printer, video card, sound card, or another hardware device, it's likely not due to a virus.

Can a computer virus affect hardware?

A computer virus is defined as a self-replicating computer program that interferes with a computer's hardware, software, or OS.

Can a virus break your PC?

A virus can damage programs, delete files and reformat or erase your hard drive, which results in reduced performance or even crashing your system entirely. Hackers can also use viruses to access your personal information to steal or destroy your data.