ACER AM5100 Hard Drive Disabled Accidentally

Hello,

I recently moved and for whatever reason, when I set my computer back up, I had no DVD / CD Rom drive. I could find it in the Hardware Manager but there was a yellow explanation point. It just wouldn't recognize it at all. I don't have internet on that PC yet so I couldn't let it search for it's own fix. So I googled the problem and found this forum. Followed the steps below:

1) Close all open programs

2) Click on Start, Run, and type REGEDIT and press Enter

3) Click on the plus signs (+) next to the following folders

* HKEY_LOCAL_MACHINE
* SYSTEM
* CurrentControlSet
* Control
* Class
*

4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.

* UpperFilters
* LowerFilters
* UpperFilters.bak
* LowerFilters.bak

5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete

6) After deleting the keys, close the Registry Editor

7) Reboot
your computer

SO, when I opened the "*Class" folder under #3, there were about 12 of the
{4D36E965-E325-11CE-BFC1-08002BE10318} listed. I opened the first one, found the Filter keys and deleted them per 6 and then continued to the next 5 or so doing the same thing. It wasn't until about the 6th one that I realized they listed different hardware for each one. IE - #6 was for the mouse. So, I quickly got out of there and rebooted.

Well, apparantly, one of the options I was blindly deleting thru was for my hard drive, bc sure enough.... BLUE SCREEN OF DEATH!! It tells me there is a boot file error.... Whatever that means.... AAAAEEEEEAAAAA!!!!!

Please help. I tried rebooting, got to a WINDOWS REPAIR AUTOMATICALLY screen, ran that, it said to reboot, tried that, got blue screen again.

Everything digital I ever had is on that hard drive (YES, I KNOW, BACK UP FILE!!) Anyway, please help.

I am running Windows Vista if that helps.

Thank you, tearsmith