My MacBook Pro suddenly stopped and beeps sounds of 3 beeps every 5 seconds.- how can I revive it?
How can I revive my old MacBook Pro?
iPad, iOS 9
Apple Event: May 7th at 7 am PT
How can I revive my old MacBook Pro?
iPad, iOS 9
As Kilted Tim says...
The following table lists the new tones and their meaning:
Tone(s) Description
1 tone, a 5-second pause, repeat No RAM installed
3 successive tones, a 5-second pause, 3 successive tones RAM does not pass data integrity check
1 long tone when holding down the power button Firmware upgrade in process. See About firmware updates for Intel-based Macs for more details.
3 long tones, 3 short tones, 3 long tones Firmware restoration from CD in process. See About the Firmware Restoration CD (Intel-based Macs) for more details.
As Kilted Tim says...
The following table lists the new tones and their meaning:
Tone(s) Description
1 tone, a 5-second pause, repeat No RAM installed
3 successive tones, a 5-second pause, 3 successive tones RAM does not pass data integrity check
1 long tone when holding down the power button Firmware upgrade in process. See About firmware updates for Intel-based Macs for more details.
3 long tones, 3 short tones, 3 long tones Firmware restoration from CD in process. See About the Firmware Restoration CD (Intel-based Macs) for more details.
I believe that's a Hardware failure. Specifically bad RAM.
My MacBook Pro suddenly stopped and beeps sounds of 3 beeps every 5 seconds.- how can I revive it?