So, what if your Ps3 won't turn on? Don't panic, my friend! First, check the power cord – is it properly plugged in? Sometimes, it's the simple things that can cause the biggest problems. If that doesn't work, try resetting the console by pressing and holding the power button for about 10 seconds.
PS3 Controls - Guide Information - Introduction | The Elder Scrolls V
If you're still having trouble, it might be time to get a little technical. Check your PS3's firmware – is it up to date? Sometimes, a simple update can resolve all sorts of issues. And, if all else fails, you can always try contacting Sony support for some expert advice.