How can i fix it.. my mc wont turn on only beeps three times? Anyone can help..
I found this:
Here are the two most typical reasons for Mac beeping 3 times at startup:
Just to fill in to the greatanswers so far...
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.
"Mac wont turn on and beeps 3 times: How can i fix it.. my mc wont turn on only beeps three times? Anyone can help.."
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Troubleshooting 3 Beeps on a Mac:
There is issue with the charge or power source. So, troubleshoot with the following...
Troubleshooting Mac Power:
I. Troubleshooting a Mac Beep:
Replace the charging cable that goes to the charging block. That should fix the beep. See here: Why does my macbook pro beep when charging - Apple Community
and...
II. Troublehooting Mac Charging:
A. Black Mac Screen:
Go Here: If your Mac doesn't Turn On or Start Up - Apple Support
Using External Monitors: Try Resetting the SMC and NVRAM, but this time, using an external keyboard. Connect an external monitor and see if you get an output.
B. Mac Power Issues:
Try a New Charger:
If it is currently charging from a charger, then use a new charger:
C. A Few Links to Refer to Power:
Do you have a Mac or MacBook?
Mac wont turn on and beeps 3 times
