Slow and hanging - harddrive problem?

I have a 15", mid 2012 NON retina macbook pro, 2.6GHz Intel Core i7, 8GB ram, 1GB NVIDIA GeForce GT 650M, and the standard 750GB Hardrive, running latest OSX software.
All was fine when first purchases, but for the last few months performance has been suffering. Applications are sometimes unresponsive and crash, log in times have become sometimes very long, with the dock and menu bar sometimes taking minutes to appear, as well as applications also taking a while to open even after leaving to full load up for a few minutes. I just thought, fair enough, I've got a fair bit on here, large graphic files for uni and mastercollection, but when the computer wouldn't even bring up the log in screen, or sometimes not even log in after password is entered after waiting 10 minutes is when I started to worry. Even windows 7 on bootcamp which has hardly been touched is even showing major performance issues! Even video streaming is stuttery when I have more than one program open (Chrome and Word or iTunes for example) which I really do not expect from this spec laptop!
Do you think this could be a problem with the harddrive, or is it worth doing a clean wipe and restoring from a time machine backup? I have repeatedly disk repaired and permission repaired (even though opinions on this are varied) but relatively new to the OSX software still and unsure on maintenance techniques.
I'm reluctant to wipe or take in for a service because I've still got a month of coursework, but I also do not want my laptop to completely crash out on me!
Any advice would be great!

Hi there, yes this certainly sounds like a problem! Before you do anything, back up everything! Get yourself an external hard drive and use time machine to back up your whole laptop which it will do automatically.
Ok, once you have done that we can move on:
You need to run a system hardware test (its on a CD which came with your new mac) or here http://support.apple.com/kb/HT1509?viewlocale=en_US&locale=en_US
This rules out a hardware issue such as a faulty HD etc. If it detects a fault, then you are going to have to take it to an Apple store for some TLC and hope the warrenty is valid.
If not a hardware issue then its a software problem which is an entirely different thing! Do the check and comment back and I will see if I can help you
Dont worry just keep your stuff backed up and make multipukes copies of the important stuff like coursework!

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Hello There,
I am using the STRUTS Framework 1.1 for developing web application.
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Well... Are you sure that the problem is within the browser? If both browser hang, then check if your OS supports the language the right way. Also, your browsers my have plugins/addons for supporting other languages. Try to look for them or/and post your systems-names here to help others helping you =).
X--spYro--X

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== This happened ==
Every time Firefox opened
== a few days ago ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MDDC)

Hello Amy.
This kind of issues are, unfortunately, more common and the we'd like. Thankfully, 99% of the cases are very easy to solve. However, you do need to diagnose what your exact problem is. Do this:
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Dokie!!
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Hi,
I have an old Macbook Pro (one of the originals, from about 4 1/2 years ago). Recently I've been noticing that it runs really slow, especially when its been running for a while and there are multiple programs open. It will take a long time to switch between windows, opening a tab in Safari will usually cause a spinning beach ball for 10-15 seconds and Safari crashes frequently. Other programs have similar problems, but don't normally crash. It's running Snow Leopard and has 1GB of RAM. Obviously I expect it to be slower with lots of stuff open, but my usage patterns haven't changed and its performance certainly has. The harddrive always seems to be being accessed when I have these problems.
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About OS X Memory Management and Usage
Reading system memory usage in Activity Monitor
Memory Management in Mac OS X
Performance Guidelines- Memory Management in Mac OS X
A detailed look at memory usage in OS X
Understanding top output in the Terminal
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Backuplist
Carbon Copy Cloner
Data Backup
Deja Vu
iBackup
JaBack
Silver Keeper
MimMac
Retrospect
Super Flexible File Synchronizer
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SuperDuper!
Synchronize Pro! X
SyncTwoFolders
Synk Pro
Synk Standard
Tri-Backup
Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
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Referenced software can be found at CNet Downloads or MacUpdate.
This should give you a few things to start sorting things out and getting better performance from your computer within its limitations.
If you have a Core Duo model then 2 GBs is the maximum RAM you can install. If you have a Core 2 Duo model then you can install up to 4 GBs but they system will only make use of 3 GBs. As for the hard drive it can be replaced. Notebook drives in the 250 to 500 GB - 7200 RPM range are relatively inexpensive. Visit OWC for pricing on drives and RAM. Visit Data Mem for pricing on RAM.

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spingineer,
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As easy as it seems to look at the firmware as the source of the problems, I haven't seen that as the foundation issue for either of the difficulties you are experiencing with your machine.
Hopefully a few simple resets and permission repairs etc will remedy the issue.
Good Luck,
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