Hi Harsha33,

Request you to try following the below steps:

(1) You may use the below link for manual to Alienware M14x system and reseat the hard drive:

http://dell.to/10ZJ1vZ

(2) You may use the below link and update BIOS (if the system is booting to windows) :

http://dell.to/1b5MUnD

(3) Re- run the hardware diagnostics.

(4) If the same error message appears then either the hard drive or the motherboard has failed.

(5) You may then use the below link to check warranty status:

http://dell.to/Zu5CmQ

If the computer is in warranty do send me the system service tag. I will check and let you know what needs to be done.

If the computer is out of warranty please call the out of warranty repairs on 18002884410 (U.S only).

To back up the data you may contact any local technician.

I ran the diagnostics again and it is showing the same error. And my laptop is still covered by warranty. but before i replace the HDD i ould like to save my files to another ext hard disk. please help me out in this regard.

Remove the hard drive, mount it in a 2.5" external case (example below) and attach it to a working system - copy the files you can still read (you may be able to recover some or all of your data).

www.newegg.com/.../Product.aspx

Hi Harsha33,

Once you follow the instructions given by ejn63 to back up all the data you can send me the system service tag via private message. I will check and let you know what needs to be done.

To send a private message, click on my user name and select start conversation.