Laptop keyboard and mouse do not go?

Hello have a laptop where a virus was on it and have it deleted now but this drecks virus has damaged my mouse and keyboard so that I can do nothing can help me have an extra mouse with which I can bedine it and ne extra keyboard but the tadtatur is kapput

Get Kaspersky or Norton and let it run over there, if you're lucky, everything will be okay.

Have now tried laptop on factory settings then the virus came again it has 1 tap open chromium but now invites for factory setting