Hmm, it seems to be a hard drive failure
Note this does not mean the hard drive has died, just that it is failing, which explains that it is able to run but is getting the random freezes.
If you still have warranty on it:I suggest you call tech support and have it replaced.
Remember backup your files! ...as the repair service may not move your files to the new drive meaning you'll
lose them forever.
To do this, try booting up in safe mode and if that doesn't work without issues, run
Ubuntu (clicky) off a CD or USB stick and try copying as many files as possible to an external hard drive or USB stick.
Then it's just to send it off to the repair service...
If you do not have any warranty remaining:You need about $50-100, a Windows installation disc (see below if you don't have this)1. You can try calling tech support and see what they'll say but expect to have to pay for them to fix it, make sure you'll ask them what it'd cost and all.
2. Replace it yourself! (I suggest checking the price for having the repair servie do it before you continue)
...go to your local computer store and look a
2.5" hard drive. Ask an employee for a
laptop hard drive if you're unsure. If you've looked up the price for having the repair service replace the it, this is where you compare what'd be the cheapest, if buying a new one is cheaper, buy it!
Now for replacing it with the old one:
First of all, back up your files!To do this, try booting up in safe mode and if that doesn't work without issues, run
Ubuntu (clicky) off a CD or USB stick and try copying as many files as possible to an external hard drive or USB stick.
Then once that's done, follow these steps to replace your old drive:
here (clicky)When you're done you need a Windows installation disc.
If you don't have this, download it from
here (clicky) and burn it to a disc using
IMG Burn (clicky)Then boot up from the disc and install Windows on your new hard drive, it should be rather straight forward but it will take a while. Once it's done installing, enter the serial that can be found on a sticker (usually found on the bottom or underneath the battery) of the laptop.
Then it's just to restore all files you backed up (if you could) and re-install all your software.
If you need more help, just ask