NT freezes at the blue screen with a modem installed

I just bought a new computer and it came with Windows NT and  Win 95 installed on it.  It did not come with a modem so I pulled my modem out of my old computer and put it in the new one.  The computer also came with a TV card, and when I tried to use the modem in Win 95, it was really slow. I finally figured out that the TV card and modem were on the same IRQ. (11) So I changed the modems IRQ to 12 and everything works fine now in Win 95, however, when I try and boot NT up, it will get to the blue screen and freeze there.  If I take the modem out and boot it up, it works fine.  Unfortunately, I don't know anything about NT and can't figure out how to change my modem's IRQ. I'm pretty sure this is the problem.  Please help!

Thanks in advance.
SkotttAsked:
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j2Commented:
The modem is PnP then, right? What you have to do is boot NT, locate a file called PNPISA.INF on your NT CD_rom, right click on it and choose install.. Then reboot your system, and your modem should be detected..
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SkotttAuthor Commented:
umm...well....I tried it, and it didn't exactly go as planned to say the least.  LOL

I took the modem out and booted NT up.  When I went to install that file form the CD-ROM I found three of them, so I picked one and it said that it was older than one that was already installed.  So I tried the other 2 and it said the same thing.  So I installed anyway.  I put the modem back in and when I restarted I got this error message at the blue screen:

STOP: c000026c {unable to load Device Driver}
\SystemRoot\system32\DRIVERS\pnpisa.sys device driver could not be loaded
Error Status was 0xc000007b

restart and set the recovery options in the system control panel or the /CRASHDEBUG system start option.  If this problem persists contact your system administrator...etc.

I tried rebooting and pressing the space bar to use the last known good boot....and it did the same thing.  I havn't tried taking the modem back out yet, I don't think that would make a differance would it?

Thanks
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j2Commented:
first of all, you should NEVER install PNPISA more then once, since it will cause all sorts of irradic behaviour, and there is only one of them in teh Intel Tree of the CDROM
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j2Commented:
You wouldnt happen to have a PS/2 style mouse connected? In that case it will need sole use of IRQ12 ... (just a thought)
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