Dell XPS L502X BSOD

Okay, so I have a Dell XPS L502X system with 4 GB RAM, Windows 7 64 bit OS.
I've had Blue Screen issues for quite some time. Usually, the problem occurred once a month, when I'd close the lid of the laptop and the system automatically shut down... on restarting, it'd tell me that windows had shut down unexpectedly... I was told that my Synaptics touchpad driver was out of date and this is why this was happening. So I updated the driver yet the problem persisted... Did a system restore, yet it didn't stop.
Today, while the lid was open and it was charging there was a blue screen and it said:

a problem has been detected and windows has been shut down to prevent damage
to your computer.

kernel_data_inpage_error

if this is the first time you've seen this stop error screen, restart your
computer. if this screen appears again, follow these steps:

check to make sure any new hardware or software is properly installed.
if this is a new installation, ask your hardware or software manufactuers
for any window updates you might need.

if problems continue disable or remove any newly installed hardware or
software. disable BIOS memory options such as caching or shadowing. if you
need to use safe mode to remove or disable components, restart your compute,
press F8 to select advanced startup options, and then select safe mode.

It was stuck on that screen so I had to restart, but as soon as I restarted, the blue screen appeared again, and again a third time on restarting once more.
I don't know WHY this is happening so any help will be appreciated. Attaching the dump file.

PLEASE HELP!!!

Also, when I open my Control Panel, it shows Windows shut down unexpectedly in the recent issues. When I click on show technical details it says:
Problem signature
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.768.3


Extra information about the problem
BCCode: c000021a
BCP1: FFFFF8A0000A8B90
BCP2: 0000000000000000
BCP3: FFFFFFFFC0000001
BCP4: 00000000001008F0
OS Version: 6_1_7600
Service Pack: 0_0
Product: 768_1
 

Attachments

  • 102812-19952-01.zip
    21.6 KB · Views: 2
Check the hard drive and memory for errors... It really sounds like the hard drive is failing
 
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