MacBook won't boot up

My MacBook takes about 7 mins to start up and when it does all I see is my background  and cursor and that's it, if it try click the cursor turns into the spinning rainbow and that's as far as she goes, help please, I started it up in recovery but my trackpad moves but won't click so I can't do anything, I've done a VRAM reset, I've taken out the battery and booted it up but still the issue with booting and mouse still moves but won't click, I actually don't know what to do anymore someone please help

If you do not have a current backup then your first priority should be to backup your data.  Your drive may be failing, it could be your disk is almost full, or there are other causes.
I’ll assume you have not updated OS X or installed any 3rd-party software lately.  If you have, there may be a different set of fixes than the trajectory listed below.
Start with an SMC Reset.
http://support.apple.com/kb/HT3964
Will it boot in Safe Mode?
http://support.apple.com/kb/HT1564
When in Safe Mode does it operate normally?
After booting in Safe Mode will it boot in normal mode?
If it will boot in Safe Mode then backup your data onto and external disk drive using Time Machine or some other method.
If you can get it to boot in either mode, how much disk space is used out of what capacity?
If it will not boot in Safe Mode, try repairing the disk.
See Resolve startup issues and perform disk maintenance with Disk Utility and fsck
http://support.apple.com/kb/ts1417
When in Disk Utility you will see an entry for the S.M.A.R.T. status of your internal hard drive.  If it does not say "Verified" then the hard drive is failing or has failed and needs to be replaced. If it is “Verified” then run and re-run Repair Disk until it reports it fixed no errors and it finished normally.  If it continues to report errors proceed to the fsck section. 
Boot normally and see if the system is healthy.
Reinstall OS X.
If the disk is healthy and your system is not, reinstall OS X.
http://support.apple.com/kb/PH10763
Hope to hear from you soon on your progress.

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