Macbook pro starting problems: on off loop when turning on
Hello apple community.
my macbook pro when i press the power button it turns on, the white light at the corner goes on, and i can hear the fans spinning,
but then immediately it turns off, and then goes on by itself again and goes off,on off,onoff.... into a continuous on off loop. the screen stays black all the time during this. no apple logo
what can this be? i tried reseting the ram chips in their socets but it did not help.
I hope you can help me.
Hi Jeffcur,
Welcome to the Support Communities!
The article below may be able to help you with this issue.
Although the title doesn't match your issue, this article has several troubleshooting steps for startup issues in general.
Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/ts2570
Cheers,
- Judy
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