MacBook Air - No internal speaker sound after boot (icon not greyed out + no red light)
11739
No sound from speakers on MacBook Pro except the startup chime
113422
QC 35 paired with MacBook and iPhone simultaneously audio stops
17634
How do you turn off Bluetooth on startup using MacBook Air and macOS Sierra?
114802
Sound not working at all
41668
No startup / boot chime; how to bring it back?
132356
Macbook Pro 2014 doesn't recognize internal display
100809
Internal speaker (Audio) is not working in Ubuntu 20.04 LTS after upgrading from Ubuntu 18.04 LTS
5822
How can I get sound working on Bootcamp + Windows 8.1?
38518
Macbook Air - how to install a dual bootable Ubuntu 14.04 LTS
157219
Computer won't boot up (only beeps)
41863
Mac OS X won't boot from grub menu in Ubuntu Precise on Apple MBA(5,2)
78558
MacBook Air screen problems
35137
Why do I only hear sound from the speakers with A2DP headset connected?
139116
Why is Apple hardware test (AHT) not loading when pressing key D on system start?
53064
2015 Macbook Air screen gradually dimming and dying
67693
No sound in Ubuntu except at log in
55431
"Dummy Output" No sound in Ubuntu 16.04