Monooo Posted June 23, 2023 Share Posted June 23, 2023 Hi, I have a HP Elitebook 820 G1 Laptop and I recently installed macOS Catalina on it but there was no sound coming, no BT, no Wi-Fi. Somehow I managed to install BT and wifi driver but I tried all alcid's but none worked for me, I saw YT tutorials but no video fixed my issue please help It has Intel IDT 92HD91 audio codec bluetooth audio devices like my earbuds work but physical audio and wired earphones don't work  PLZZZ HELP ME!!!! Quote Link to comment Share on other sites More sharing options...