Hi guys i have an macbook 13 late 2007 and does not work when i start it up all u can see is blank white screen and after that its keep bepping high peech tone 3 times i was thinking the hard drive but im not too sure please guys help.

Hi guys i have an macbook 13 late 2007 and does not work when i start it up all u can see is blank white screen and after that its keep bepping high peech tone 3 times i was thinking the hard drive but im not too sure please guys help.

Try to reset the PRAM first then go from there.
http://support.apple.com/kb/HT1379

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    Take each of these steps that you haven't already tried. Stop when the problem is resolved.
    To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
    Step 1
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    d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
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    Step 4
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