Hello friends, I was downloading a game called "Wings of Prey" in my system the previous day. I had put the system settings to sleep after 15 minutes. I am not able to understand what went wrong because the MacBook won't turn on after that. I had decided to backup all the data and information of my system in the removable drive, but before that this problem happened. So, I need to know fow to get out of this situation and get my system started.
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