My lens will not retract when turned off.

"abcagle most commonly caused by a stuck lens. You should try the “tricks” mentioned on here. If that won’t work it is most likely that the lens is failing. You may need to either disassemble it and clean and inspect it, or replace it.

Ultimately it is also possible to replace the lens. Follow this guide Sony Cyber-shot DSC-W55 Lens Replacement"