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Windows 7: Cant boot from win 7 ungrade disk

15 Mar 2012   #1
deannnaa

Windows 7 32bit
 
 
Cant boot from win 7 ungrade disk

OK So to begin Im upgrading from windows XP Professional.. Before I decided to up grade I ran into this error on my PC:
C:\windows\system32\config\system missing or corrupt



I tried the recovery disk and pressing r and typing in the commands in microsofts website and it said: access denied (or something along those lines) Ok so I gave up on that and when I start the computer I can go into BIOS and everything but as soon as it hits the screen where "windows didnt start last time, safe mode, blah, last known good configuration. If select any of them it freezes and if I allow the countdown it usually goes to a white / black screen and says that error up there ^^.


We couldnt get it fixed so I decided that I would upgrade to windows 7 and I purchased it online and downloaded it and it WILL not work with the computer. I go into BIOS and set CD/DVD first and press a key to boot from disk and it just restarts as soon as it loads and keeps redoing it. Occasionally Ill get a " the file is possibly corrupt, the file header checksum does not match the computed checksum.




Any ideas??


My System SpecsSystem Spec
.

15 Mar 2012   #2
zigzag3143

Win 8 Release candidate 8400
 
 

My System SpecsSystem Spec
16 Mar 2012   #3
gregrocker

 

Confirm the ISO or download another file and burn it to DVD using ImgBurn at 4x speed.

Unplug all other HD's and peripherals, enter BIOS setup to reset to defaults, set SATA controller to AHCI.

Boot the DVD by setting DVD drive to boot first in BIOS setup, or using the one-time BIOS Boot Menu key given on first boot screen. You should receive a prompt to "Press any key to boot disk." What happens then?

If this fails you can eliminate the installer as cause by writing the ISO to flash stick using Universal USB Installer with Win7 in dropdown menu. Boot using one-time BIOS Boot Menu key under USB, Removable or HD's.

If these fail next try wiping the HD using Diskpart Clean Command accessing DISKPART At PC Startup.
My System SpecsSystem Spec
.


16 Mar 2012   #4
deannnaa

Windows 7 32bit
 
 

Thanks for quick reply!! Will try first thing in the AM!
My System SpecsSystem Spec
16 Mar 2012   #5
deannnaa

Windows 7 32bit
 
 

would the windows XP HP_Recovery partition keep me from upgrading? How can i delete this partition without being able to log on? DiskKill?
My System SpecsSystem Spec
16 Mar 2012   #6
gregrocker

 

I gave you a step to wipe the HD which will delete the Recovery partition. If one of the earlier steps works without having to wipe the HD, then during Custom install, choose the Drive options to Delete all partitions, Create new ones as you wish, or just click Next to begin install and the installer will Create and Format one large install partition for you. Illustrated steps here: Clean Install Windows 7
My System SpecsSystem Spec
16 Mar 2012   #7
deannnaa

Windows 7 32bit
 
 

ok i wiped the HDD like you said and still when I boot from disk the windows loading bar comes up and then it goes to "starting windows" and freezes.
My System SpecsSystem Spec
16 Mar 2012   #8
gregrocker

 

Where did you get Win7? Did you burn the DVD yourself? If so confirm the ISO or burn another using ImgBurn at 4x speed.

To eliminate the installer as suspect, next write the ISO to flash stick using Universal USB Installer with WIn7 in dropdown menu. Boot stick using HP's ESC or F9 one-time BIOS Boot Menu key under USB, Removable, or HD's.

You can find the latest official ISO download and the full steps to get a perfect reinstall here: Clean Reinstall - Factory OEM Windows 7 - Windows 7 Forums
My System SpecsSystem Spec
16 Mar 2012   #9
deannnaa

Windows 7 32bit
 
 

I dont think I have the option to boot from USB. This is an older computer.
My System SpecsSystem Spec
16 Mar 2012   #10
deannnaa

Windows 7 32bit
 
 

Bought microsoft 7 online from microsoft store. OK so Ive burned 3-4 disks all do the same thing.
e
My System SpecsSystem Spec
Reply

 Cant boot from win 7 ungrade disk




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