Hi Modi.nandish,

It seems to be an issue with the hard drive of your computer. You can run diagnostics on hard drive of your computer following the steps below:

• Please restart the system.
• As soon as you see the blue Dell logo, start tapping the ‘F12’ key.

Note: If you wait too long and the Microsoft Windows appears, then continue to wait until you see the Windows desktop. Now shutdown your computer and try again.

• After you tap ‘F12’ key, a new window would appear in front of you. Use the 'Down' arrow key to highlight the option “Diagnostics”

Note: (If Boot to the Utility partition option is not there then you will have a “Diagnostics” option to select which starts the diagnostics directly.)

• When you get a prompt 'Were color bars displayed?’. Press 'Y' in case the color bars are displayed else press 'N'.
• Continue running the test till you get a message: No errors found so far. Would you like to continue the remaining memory steps? It might take more than 30 minutes. Press 'N' and restart the computer.

Please make a note of error message if you get any on screen. I am adding you as a friend; please accept my friend request and send me a private message with the system Service Tag so that I can check the system warranty details and help you further.

Please reply with the information. 

error ; 0146

error code : 2000-0146

Targeted read test

Test Started 9/30/2012 5:22:12 PM Error Message: Error while reading sector 107277198. 9/30/2012 5:22:46 PM Error Message: The test found 1 sector errors. 9/30/2012 5:22:49 PM Test Finished: Failed (Error code: WHD20-VJ7) 9/30/2012 5:22:51 PM

SMART Short Self Test
Test Started		9/30/2012 5:26:17 PM
Error Message:	The device reported the following status: The previous self-test completed having the read element of the test failed.	9/30/2012 5:29:39 PM
Error Message:	The first failing LBA value is 107277198 and the failure occurred after the device had been operating for 2355 power-on hours.	9/30/2012 5:29:39 PM
Test Finished:	Failed (Error code: WHD16-Z1V)	9/30/2012 5:29:41 PM

Hi,

Thank you for your quick response. It is an issue with hard drive of your computer. Please private message with the system Service Tag so that I can check the system warranty details and help you further.