Thank you for sharing the mini dump folder. Please consider the below points Please use your windows setup CD. Select repair your computer option.Select start up repairOpen the command prompt execute the command chkdsk /r.Recheck your hard disk cable and HDD status. Use any HDD tune utility to check the health of a HDDUpdate your motherboard drivers with latest one.(Refer vendor website for latest drivers)Your motherboard model: P8Z77-V DELUXEDownload link http://in.asus.com/Motherboards/Intel_Socket_1155/P8Z77V_DELUXE/#download Select windows 7 64 bit and select the drivers from the list. Regards Jinish.K.G|HCL Infosystems LTD