Here are the symptoms
1. When switched on, the hard drive seems to run OK but the screen is blank.
2. I tried switching the output to a external monitor, but nothing appeared. (I could see it trying so the signal from the laptop was getting through.)
3. When I turned the laptop off by holding down the on/off key, there was quick flash of the log on screen before the computer went off. (The screen was way off center, but I may have caused that in trying to get it back)
Any suggestions would be appreciated.

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