So, long story short, my computer had some issues a couple of weeks ago, so I restarted it after making some changes. Upon restarting it booted into Ubuntu, and I wanted Windows 7, so I restarted it again. I received a Grub Error message:

error: no such device: 1946fced-f783-4c37-9897-a78da7886c33.
grub rescue>

But I have been unable to use any boot rescue process that I have tried. These include using both disc based and USB based Ubuntu 11.04 and Windows 7 installations, because they always start but just stop midway through. Ubuntu stops on line "NET : Registered protocol family 1." Windows 7 stops while either "Loading Windows," or I can get this error message if I try the USB install (I think):

edit windows boot options for: windows setup  

path: \windows\system32\boot\winload.exe

[ /MININT / REDIRECT RDIMAGEOFFSET=8192 RDIMAGELENGTH=3161088 RDPATH=multi(0)disk(0)cdrom(0)\sources\b…

Anyways, after all that I though it might be hard drive or memory related, but I have run diagnostics on both and they all came up good, and I fixed a minor error with my hard drive. Also, when I start my computer up I get the following:

AMIBIOS (C) 2006 American Megatrends, Inc.
BIOS Date: 01/06/09 10:18:25 Ver: 08.00.15
CPU : AMD Phenom (tm) II X4 920 Processor
Speed : 2.80GHz Count : 4
Memory Clock = (N/A), Memory Clock = 800MHz

Press DEL to run Setup
Press F11 for BBS POPUP
1 AMD North Bridge, Rev C2
Initializing USB Controllers..Done
2048MB OK
USB Device(s) : 1 Keyboard, 2 Mice, 1 Hub, 1 Storage Device
Auto Detecting Pri Slave...IDE Hard Disk
Auto Detecting Sec Master..ATAPI CDROM
Auto Detecting Sec Slave...IDE Hard Disk
Auto Detecting Third Slave..ATAPI CDROM
Pri Slave : WDC WD1001FALS-00J7B0 05.00k05
Ultra DMA Mode-6, S.M.A.R.T. Capable and Status OK
Sec Master : HL-DT-STDVD-RAM GH22LP20 2.00
Ultra DMA Mode-4
Sec Slave : ST3500630A 3.AAF
Ultra DMA Mode-5, S.M.A.R.T. Capable and Status OK
Third Slave :   HL-DT-ST BD-RE GGW-H20L YL05
Ultra DMA Mode-6
Auto-Detecting USB Mass Storage Devices..
Device #01 : Generic Flash Disk *HiSpeed*
01 USB mass storage devices found and configured

The motherboard is a A79A-S, by Foxconn. I purchase it from Newegg 2 1/2 years ago. I really don't know what to do. Any suggestions would be appreciated.

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