reply to post by razor1000
Maybe somebody has a better answer, but if it were me...
The short answer:
In the recovery console from the cd, or as a slave hard drive.
1. Rename c:\windows\system32\config\system to system.bak
2. Copy c:\windows\repair\system -to- c:\windows\system32\config\
3. On boot, install the new drivers as needed/prompted.
4. This is completely reversable if needed without any damage.
The long answer:
The information that tells the OS what hardware the computer uses is in a
folder called c:\windows\system32\config The
file in the
config folder that holds the hardware information is called
system.
Micrsoft built the original default
system file used when installing the OS into a windows folder in the c:\windows\repair folder. It is also
called
system.
So a trick is to either use the OS cd to go to the recovery console, or put the hard drive into another machine as a slave. Rename the
c:\windows\system32\config\system file to system.bak. Copy the c:\windows\repair\system file to c:\windows\system32\config\.
This trick resets the OS back to the default hardware installation settings like it was freshly installed on a pc, but before any new hardware was
discovered.
On boot the OS will discover the hardware in the new pc and prompt for drivers. You
will need to install the hardware drivers for the
pc. It may not auto discover all the new hardware. The pc still has problems go to the device manager, look for items marked in red or yellow, right
click and install device drivers for it.
The program that controls the HVAC system probably gets its data from a serial cable, or the network cable. These settings may have to be adjusted to
point at the new hardware.
Best of Luck
makeitso
[edit on 3/5/08 by makeitso]