Kernel Data Inpage Error (help!

[Stormzicecream]

Firstly, pardon me for mistakes I make in English.

So I've had this laptop for almost two years now and it's been working very good untill now.
I was playing a game untill it suddenly stopped responding and I got a BSoD with a kernel date inpage error. I've tried chckdsk on cmd, but it didn't work (or did I do it wrong?). I do not know what to do. Since then, other problems are occuring. Those problems are windows explorer not responding, start menu not closing or loading,... I also got this problem where whenever I try to click or open something, windows explorer would crash and restart. I had to reboot my computer to stop it and now I'm afraid it will occur again.
I really need to get this solved quickly, because I need this laptop for work etc.
I have an alienware m14x running windows 7. It has an NVidia GeForce 600M with 6GB of RAM and an HDD. There should not be any viruses.

Please help!

- Stormzicecream

 

[Im Spartacus]

Did you right click in the command prompt and select run as administrator before trying to run chkdsk commands?
then type, C:/f/r/x C being the drive to check and fix.

chkdsk will run not run in the windows environment a reboot is required it will run on next reboot before windows loads.

 

[Stormzicecream]

Did you right click in the command prompt and select run as administrator before trying to run chkdsk command
then type, C:/f/r/x C being the drive to check and fix.

chkdsk will run not run in the windows environment a reboot is required it will run on next reboot before windows loads.

I just did chkdsk/r and rebooted and windows is now checking my disk. Is that correct?

 

[Im Spartacus]

Just select chkdsk /r/f The /f fixes errors detected and the /r Identifies Bad Sectors and attempts recovery of information.
Don't worry about /x yet I know it don't work well in Vista so leave it for now.