Cannot reinstall OS

E

evipandaz

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My computer began acting weird a few days ago. The wireless service was not working. I tried manually starting the service but it gave me errors. I decided I would just reset to an earlier config, but to my amazement all of the backups were gone. In addition, I couldn't reset to factory setting, as it gave me weird errors. I thought it might have been a virus or something so I proceeded to wipe the hard drive with some random program I found on cnet. However after starting the program it gave me the BSOD, and now whenever I boot the computer, it would ask me to install the OS. Normally, this would be fine, but whenever I try to install it (from the windows 7 CD), it always gave me a "no signed drivers detected" message near the bottom. On the screen, my hard drive and unused space also do not show up. So now, my computer just sits there without an OS. I am at a loss as to what to do. If anyone needs additional information, I will gladly do my best, but I am not very good with computers. Any help would be greatly appreciated.
TL;DR: My comp has no OS and I cannot reinstall because it says there are no signed drivers.
 

My Computer

OS
windows 7 premium x64
If the HD is detected in BIOS setup and passes the HD diagnostics extended CD scan Theog linked, then unplug all other HD's and peripherals,

Boot into BIOS setup to enable Legacy BIOS if present. Next check BIOS Boot order for an EFI Boot Disk and if present remove it, set DVD drive first to boot, HD second. Then set SATA controller to AHCI. Save changes and Exit.

Then boot into installer DVD or flash stick burned or written using tool and latest ISO for your licensed OS version here. Your installer could very likely be the problem.

At first installer screen Press Shift + F10 to open a Command Box, type:

DISKPART
LIST DISK
SELECT DISK 0 (after confirming Windows 7 target HD #)
CLEAN
CREATE PARTITION PRIMARY SIZE=102400 (for 100gb partition, adjust as desired)
FORMAT FS=NTFS LABEL="WINDOWS 7"
ACTIVE
EXIT
EXIT

Next click Install Now, then Custom install to Clean Install Windows 7 to the partition you created. If it fails then report back at which step and the verbatim error message.

In addition read over these steps to understand the tools and methods which work best to get and maintain a perfect Clean Reinstall - Factory OEM Windows 7. The steps are the same for retail.
 
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