Here is the picture of the screen.
I am really disappointed about this Mac computer.
This problem was solved by the following:
1. shut off the computer.
2. turn on it
3. immediately press P+R+option+command, hold them till hear the third sound of the computer (the music).
4. Release it.
So far hard to know whether it is due to the hardware or not. But if it happens again, then should call them again.
I am a researcher working in the biological physics field. I started to use Linux back in 2001. After that, I fall in love with Linux. I use it in my research and also daily work, such as document processing, web surfing etc. In this blog I record my Linux experience. I'd like to focus on the research experience using Linux, especially I want to explain or give some simple tutorials on software commonly used in research, such as OpenOffice, Octave, R, xfig, gimp, C++ , etc. This blog was first set up mainly for my personal use, but it turn out to be more useful than I had thought.
Please note that I have no intention to claim that the materials here are my original. Actually most of them just my collection from all over the world when I searched the internet to find solutions. If there is any, if you think infringement of your copyright, please contact me and I will immediately take actions on that.
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