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Windows Forum / Windows 95 / February 2004

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Invalid System Disk

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Jerry F - 25 Feb 2004 10:15 GMT
A friend has Windows 95 on a Pentium 75 PC.

It's been working fine but now when you switch it on, the message "Invalid
System Disk, replace disk and press a key" appears even though there is no
disk in the floppy drive.

He's tried booting up using the Windows 95 emergency floppy disk, and gets
to the DOS prompt.

The only thing we have tried at that stage is typing C: dir

As a result it lists:
35 Files
123773 bytes
0 dirs
144384 bytes free

I'd be very grateful on some help working out what the problem is and how to
fix it.

Thanks.
philo - 25 Feb 2004 11:18 GMT
> A friend has Windows 95 on a Pentium 75 PC.
>
[quoted text clipped - 12 lines]
> 0 dirs
> 144384 bytes free

check to see if the drive is being properly detected in the bios
Jerry F - 25 Feb 2004 11:41 GMT
> check to see if the drive is being properly detected in the bios

How should I do that?

Thanks
philo - 25 Feb 2004 22:08 GMT
> > check to see if the drive is being properly detected in the bios
> >
> How should I do that?
>
> Thanks

that varies with the machine

as it boots you should see a message such as

hit <del> to run setup
Alan Illeman - 25 Feb 2004 14:52 GMT
> A friend has Windows 95 on a Pentium 75 PC.
>
[quoted text clipped - 15 lines]
> I'd be very grateful on some help working out what the problem is and how to
> fix it.

Rather than typing "C: dir", type "dir C:" for the readout
you show is probably just the contents of the floppy.
Haggis - 25 Feb 2004 15:45 GMT
can you get to the BIOS buy hitting F8 at boot time?

is the harddisk listed , can you redetect it ?

check cabling/connectors to the HD....

> A friend has Windows 95 on a Pentium 75 PC.
>
[quoted text clipped - 17 lines]
>
> Thanks.
Richard - 25 Feb 2004 16:20 GMT
Check the boot disk, in another computer for a file named "sys.com".
If it does not exist, try to find another Windows 95 computer and copy that
file to the disk.
If it does exist. reboot the defective computer with the boot disk and then
at the A prompt type in the following
sys C:   (that is sys space C colon)
You should get the response back "system files transferred"
remove the boot disk and reboot from the hard drive again.

> A friend has Windows 95 on a Pentium 75 PC.
>
[quoted text clipped - 17 lines]
>
> Thanks.
Jerry F - 26 Feb 2004 10:32 GMT
Thanks for the suggestions.
 
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