Do you have a System Repair Disc?
Do you have a WIN 7 DVD?
If you do not have a System Repair Disc, you're friendly local computer store will probably let you make one on one of their demo systems.
If you have a 64bit system, then you must use a 64 bit system.
If yo have a 32bit system, then you must use a 32 bit system.
Boot from a System Repair Disc. Go to a command prompt.
Now since I'm not sure what the damage is that has been done, I have one recommendation which will fix everything and that is to use DiskPart's CLEAN ALL on you disk and do a fresh install.
If that solution doesn't fit your desires, then you still need the system repair disc and a command prompt from which you can save off all data dear to your heart, which is still accessible, to a USB stick. Then you can take a look at the DiskPart commands, one of which is ? for help, and see if you first want to try some of the diskpart commands to get your system back where you want it.
Now I'm including some info and links.
COMMAND PROMPT - GO TO A COMMAND PROMPT USING A SYSTEM REPAIR DISC
1) Insert System Repair Disc into optical reader.
2) Shutdown your computer.
3) Boot up your computer from the System Repair Disc
If your computer doesn’t boot from the optical drive, then
Immediately after pushing your Power ON button, start tapping the F2 key to get to the BIOS to change the boot order.OR
Immediately after pushing your Power ON button, start tapping the F12 key and choose CD/DVD to change the boot order only for this time.
4) Wait while a mini-version of Windows is loaded and finally the System Recovery Options dialog appears.
5) SYSTEM RECOVERY OPTIONS dialog |
Select a keyboard input method |
6) SYSTEM RECOVERY OPTIONS dialog
will search your system for installed versions of Windows.
7) SYSTEM RECOVERY OPTIONS dialog |
select the Use recovery tools that can help fix problems starting Windows radio button |
8) SYSTEM RECOVERY OPTIONS |
Choose a recovery tool |
9) Click on command prompt from the list shown
Run any desired commands and type EXIT when finished.
Remove the System Repair Disc.
Shutdown your computer.
Power on your computer.
COMMAND PROMPT - GO TO A COMMAND PROMPT USING YOUR WIN 7 DVD
■Boot up from your Windows 7 DVD.
■At the first dialog window, press SHIFT + F10 key combo
■You will have a X:> command prompt
X: is a ram drive created by Windows 7.
DISC - CREATE A SYSTEM REPAIR DISC
START | type System Repair | Enter key | Create Disc button
________________________________________ SSD / HDD : Optimize for Windows Reinstallation
Read that tutorial. Much info that you are probably going to need.