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#11
Where did you get Win7 installer? Has it worked before? It may need to be burned at slower 4 x speed, or try installation using USB stick: Windows 7 USB/DVD Download Tool
Test your HD using maker's full diag/repair CD scan: Hard Drive Diagnostics Tools and Utilities (Storage) - TACKtech Corp.
Test your memory for 5-6 passes using memtest86 CD.
Make sure you have latest BIOS update, set SATA controller in BIOS to AHCI first, then IDE if fail.
Try cleaning the HD to prepare for install. Boot DVD>Repair console>Recovery tools, open Command Line, type:
DISKPART
LIST DISK
SELECT DISK # (for Windows 7 disk)
clean
create partition primary
select partition 1
assign letter=c:
active
format
exit