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  1. #1
    3 Star Lounger
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    Invalid system disk error...

    Okay, so I have a friends old laptop that has Windows 98SE on it. After attempting to install some USB drivers so that a pen drive will work my friend tells me that the laptop won't boot into Windows. It gives the error from the Topic Title. So I have booted up using a W98SE boot disk and did SYS C:. It said the system was transferred so I rebooted. Now I don't get the error message but very quickly after the 98 splash screen pops up it goes to a command prompt (C:>). Is there a way to get back into Windows without reinstalling the OS? If not, is there a way to get the CD Key from this DOS environment with some DOS based tool? Let me know what you think. Thanks.

  2. #2
    Platinum Lounger
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    Re: Invalid system disk error...

    After you get to the C:> command prompt using the boot floppy, have you tried just typing the command "win" to see if Windows will (at least try to) fire up?

    Alan

  3. #3
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    Re: Invalid system disk error...

    Alan, thanks for the erply. Yes, I tried that and got bad command or filename. I went into the windows directory (C:Windows) and typed win and was told that himem.sys is missing. Does that help?

  4. #4
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    Re: Invalid system disk error...

    That's what you'd expect I guess, from a basic boot disk i.e. not enough loaded there to enable Windows to load. But at least it indicates it's got to that point. The next thing I'd be doing is to try to boot into safe mode (if possible). Can this be done by pressing F8 (or the appropriate key) at boot time?

    BTW, I don't understand the nature of the error message "from the Topic Title". Also, don't be thrown by that initial Windows splash screen - it's really a DOS "trick" to make you think you're in Windows already and that things are happening faster than they really are.

    Alan

  5. #5
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    Re: Invalid system disk error...

    I actually tried safe mode and get the same thing. I tried the step by step option, too, and got teh same thing. It all ends up at the C: prompt. My reference to the topic title actually should say the subject of this post. Sorry about that.

  6. #6
    Uranium Lounger
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    Re: Invalid system disk error...

    The boot disk may have some missing or corrupt files.
    You can download a new one here or here.
    <IMG SRC=http://www.wopr.com/w3tuserpics/DocWatson_sig.gif>

  7. #7
    Plutonium Lounger
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    Re: Invalid system disk error...

    If you can see the C: drive, check the MSDOS.SYS file to see if it there and looks anything like this:

    ;FORMAT
    [Paths]
    WinDir=C:WINDOWS
    WinBootDir=C:WINDOWS
    HostWinBootDrv=C

    [Options]
    BootMulti=1
    BootGUI=1
    DoubleBuffer=1
    AutoScan=1
    WinVer=4.10.2222
    ;
    ;The following lines are required for compatibility with other programs.
    ;Do not remove them (MSDOS.SYS needs to be >1024 bytes).
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxa
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxb
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxc
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxd
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxe
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxf
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxg
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxh
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxi
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxj
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxk
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxl
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxm
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxn
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxo
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxp
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxq
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxr
    ;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxs
    Network=0

  8. #8
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    Re: Invalid system disk error...

    I decided to just install 98SE over itself and that fixed the problem.

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