Do you like configuration? Network engineer! Lots and lots of jobs in that field. The dress code thing is gonna limit a lot of entry level jobs though, I’d think. You probably won’t get a help desk job at a traditional office but who knows. Lots of jobs are remote which opens up some possibilities if you have the skills

Learning to build a PC is a great start for literally any computer job. Are there any computer stores (local, not like best buy) near you?