I have windows 7 service pack 1 64 bit.my pc is on my tv and when I swich chanel back over to pc it has black screen and nothing happens so I am forced to switch it off manualy every time but when I do I have to do the f8 button thing to get it working hoever every time I do this it says delete resoration data and proceed to boot can you please tellme what is wrong and can I fix this ps I am not verycomputer literate and I forgot to tell you that my pc is also dual core thank you I look forward to hearing from you.
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