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I have a ten year old compaq presario. i turned it on and a black screen came up with a white underscore at the top left corner. the underscore blinks repeatedly forever! i have looked inside my computer and could not find any loose connections. i have also tried using the Compaq Quick Restore, when it got to 98% it showed ERROR#48. i dont know what to do!

Answers :

It sounds like the Hard disk has failed. You might be able to replace it if you can get one from a computer swap meet. but you are likely up for a new PC.
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