Hi @tothestars,
I’m not sure why you needed to do a wipe because you haven’t used your Trezor One since 2017. Updating the Firmware and updating the Bridge software should’ve sufficed. But since you did a wipe I assume you have written down/saved your private key/seed, the 12 secret words?
You can perform a Dry-run recovery to check your seed.
If your seed is written down/saved but you’re unsure about your Trezor status and you want to recover your wallet, just wipe the Trezor and recover your wallet by running the setup routine again, but when asked if you want to Create a new wallet or Recover an existing wallet, choose the recover option.
Then you enter your 12 word seed and your old wallet should be recovered, once you’ve finished the setup routine.
About your PC getting slow and if you’re worried you may have malware in it, there are programs that can help you clean it up, without requiring you to be tech savvy. If you want some advice, I’ll be happy to help on PM.