Please see:
- Bluetooth pairing after Ledger Nano-X Firmware update and https://support.ledger.com/hc/en-us/articles/360025864773-Fix-Bluetooth-pairing-issues?support=true
- Can't cast my vote
- Help: Why can't I send crypto after reinstalling Algorand Official Wallet and recovering account?
It looks like the re-pairing is sometimes a bit finicky and you may need to try a couple of times (everytime removing the accounts and forgetting completely the pairing) before it fully works.
Be sure to have a full backup of all your mnemonics before doing any of the above.
Disclaimer: Algorand makes no representations regarding the functioning or security of wallets, exchanges, or tools mentioned in the answer above, and disclaims any liability therefof. You are fully responsible for the security and the availability of your keys.