Press F12 at boootup and run the Dell Diagnostics. Sounds very much like a failed hard drive.

Ok, I'll run it

Ok, I've run the test on my hard drive and it failed, here are the results:

SATA Disk S/N = Y749T6U0T

Confidence Test = FAIL

No additional sense information

Error Code: 0F00:1342

Msg: Block 1818631 : Address Not Found

(same message for many blocks)

Device Quick Check = PASS

S.M.A.R.T. Short Self Test = PASS

Read Test = FAIL

No additional sense information

Error Code: 0F00:0242

Msg: Block 1818631 : Address Not Found

(same message for many blocks)

and

No additional sense information

Error Code: 0F00:0249

Msg: Block 1819550 : Uncorrectable data error or media is write protected.

(same message for many blocks)

Seek Test = FAIL

No additional sense information

Error Code: 0F00:0444

Msg: Block 1850368: Uncorrectable data error or media is write protected.

(same message for many blocks)

and

No additional sense information

Error Code: 0F00:0442

Msg: Block 2410482: Address Not Found

(same message for many blocks)

S.M.A.R.T. Test = Pass

Verify Test = FAIL

No additional sense information

Error Code: 0F00:1A42

Msg: Block 1818632: Address Not Found

(same message for many blocks)

Well that's your answer. Thanks for posting back.