MacBook slow startsup and goes black in Standbymode

My MacBook behaves strange. After pressing the power button it shows the grey apple screen, which is normal. When the 'windmill symbol dissappears the screen goes to the typical blue screen. So far so good but it won't load snowleapard. The screen stays blue for 5-10 minutes and suddenly Snowlepard comes up. After that the MB works normal until the standby mode for the screen or the laptop itself kick in. Then the screen goes black and I can 't use the MB anymore. When i close the lid the white indicator light in lower right corner illuminates constantly. Doesn't show the normal sleep rythme. So the MB is still on but doesnt respond to any command. To switch off I have press down the power buttion for 5 seconds.
I tried changing the harddrive but that didnt solve the prioblem. I. ve screened the harddrive but no failuers show up. Can anyone tell me whats wrong here?
Thanks. Brecht

Isn't anyone experiencing the same problem with his or her cellphone?

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Hello DarlinDodson,
I'd recommend taking a look through the following article that can help get your MacBook working with your TV again.
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http://support.apple.com/kb/HT1573
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Hello @turtlewiz,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that your HP V17 Monitor has gone black and is not displaying anything. I am providing you with some steps for you to try below:
Step 1. Unplug the power cord from the back of the monitor and the wall
Step 2. Hold the power button down for at least one minute
Step 3. Plug the power cord back into the monitor and then into the wall outlet (not a power bar or surge protector)
Step 4. Press the Menu button on the monitor
Step 5. Navigate to the Factory Reset option and select it
If the issue persists after this you can try the monitor on another computer to see if it continues. If it does it appears to be a physical issue and I think it would be best if you contact HP Technical Support for repair options.
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

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MacBook slow startsup and goes black in Standbymode

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