Back light stop working

i have a mac book pro serial W872XXXXX91 (Edited by: Host)
i was playing half life 2 and the screen pixels started to break up and the computer crashed. it did that every time i started my mac. i did a hardware test and it said 5.5volts screen error(not the correct words).
i opened the computer and the screen and now the back light stop working, so i am using a lcd monitor to use my computer. what must i do?

Is it still under warranty? Or do you have AppleCare?
Here are Apple contact numbers.
Your MacBook has hardware issues that we are beyond what we can help you with.I don't know if you have Apple stores in your country. If so they probably can repair it. I know under AppleCare, you can ship it in to get repaired. I would assume that would hold true to customer paid repairs also.
DALE

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My back button stopped working, so how to fix it?

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You can try a clean reinstall and delete the Firefox program folder before reinstalling a fresh copy of Firefox.
*C:\Program Files\Mozilla Firefox\
*http://kb.mozillazine.org/Installation_directory
Download a fresh Firefox copy and save the file to the desktop.
*Firefox 17.0.x: http://www.mozilla.org/en-US/firefox/all.html
Uninstall your current Firefox version, if possible, to cleanup the Windows registry and settings in security software.
*Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you will also lose your personal data like bookmarks and passwords from profiles of other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
*It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other profile data are stored in the Firefox Profile Folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox.
If you keep having problems then also create a new profile.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
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So, any ideas? Has anybody else encountered backing file issues like this and if so do you have any suggestions on debugging or fixing them?
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About two weeks ago the brower back button stopped working on random occasions and website. Issue is never consistent..

HP laptop, Windows XP, FF 4.0. Don't remember changing any add ons or version of FF when the issue started. Sometimes when I opened a new page off a web site the back button works and I can go back to the home page, sometimes it does not work. This is totally random. I use multiple tabs for news sources and this issue is not associated with a particular site. Short of uninstall and reinstall, loosing all my add ins and features, I don't know how to fix this. I have been using FF for years on this computer. This bug just started a couple of weeks prior to FF 4.0 coming out.

Do you have the McAfee Site Advisor, that one is known to cause problems with the back button. If you have it try disabling it and the back button should function normally.
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Back light stop working

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