It seems your Beo1 remote lost pairing after using the Beo4. Try removing the batteries for a couple of minutes, then reinsert them and test. Go to the TV menu <strong data-start=”214″ data-end=”253″>Settings → Remote Control → Pairing and follow the procedure to re-pair the Beo1. Make sure the Beo4 isn’t interfering during this xupertv.vip process. If it still doesn’t work, resetting the TV’s remote settings or contacting Bang & Olufsen support may be necessary.