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install osr2 from companion disk

Posted on 1998-04-30
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Last Modified: 2013-12-16
I'm trying to upgrade or install osr2 onto a laptop without a cd-rom.  The laptop has win95 on it already.  I copied the companion cd to the laptop's hd.  I also copied setup.exe and winsetup.bin.  When I run setup, it starts to go through and then it says that my computer already has an OS installed which cannot be upgraded by this version of setup.  I know I did this before and it worked... what do I do?
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Question by:aphilips
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4 Comments
 
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Expert Comment

by:jlove1
ID: 1753378
You have to begin by DELTREEing the WINDOWS directory and all WIN.COM files from the hard drive. OSR2 will not "upgrade" an existing copy of Win95
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Author Comment

by:aphilips
ID: 1753379
OK, that means that I need to run setup from dos... right?  If so, then is it the same setup.exe that works from windows, or another one?  The one that I am currently using looks like a winapp.
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jlove1 earned 100 total points
ID: 1753380
Same setup.exe. Copy the windows directories off the WIN95 CD. The only dir you need is EVERYTING in the D:\win95\ directory (assuming your CD is D:).

Just copy all the files, delete the old windows, and run SETUP.

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Expert Comment

by:jstringe
ID: 1753381

This will allow you to actually Upgrade Win 95 to OSR2.

Some call it Method 3

1)  Put the OSR2 CDROM in your CD drive

2)  From the Win95 directory, extract KRNL386.EXE from    
    WIN95_04.CAB (using either extract.exe or the cab file  
    viewer powertoy; extract the files to a
    temporary location

3)  Extract KERNEL32.DLL from WIN95_17.CAB

4)  Exit to DOS.

5)  Copy the extracted files from the temp location to
    C:\WINDOWS\SYSTEM.

6)  Boot Windows95 (supposedly, this actually works!!!)

7)  Run OSR2 setup from within Windows95.  It will think that  
    it is reinstalling over itself, and thus upgrade without
    any prompting for CD Keys, serial numbers, etc.

If you need more help contact me at:

jstringe@earthlink.net

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