Ok so i did the Seagate test and here is the result for it.
--------------- SeaTools for Windows v1.2.0.10 ---------------
7/3/2014 8:45:02 PM
Model: WDC WD10EZEX-00RKKA0
Serial Number: WD-WMC1S6728276
Firmware Revision: 80.00A80
SMART - Pass 7/3/2014 8:45:02 PM
Short DST - Started 7/3/2014 8:45:33 PM
Short DST - FAIL 7/3/2014 8:45:40 PM
Short Generic - Started 7/3/2014 8:47:39 PM
Short Generic - Pass 7/3/2014 8:49:03 PM
And chkdsk/r didn't give me any errors.
And Here is the result from WD's diagnostics tool
Test Option: QUICK TEST Model Number: WDC WD10EZEX-00RKKA0 Unit Serial Number: WD-WMC1S6728276 Firmware Number: 80.00A80 Capacity: 1000.20 GB SMART Status: PASS Test Result: FAIL Test Error Code: 06-Quick Test on drive 1 did not complete! Status code = 07 (Failed read test element), Failure Checkpoint = 102 (Unknown Test) SMART self-test did not complete on drive 1! Test Time: 20:57:39, July 03, 2014