Invalid System disk

Usually indicates a non bootable floppy in the drive. Hope this helps.

There can be a number of reasons:

http://tinyurl.com/1tka

"This issue can be caused by any of the following conditions:
Your computer may be infected with a boot-sector virus such as the AntiCMOS.A virus.

Your computer is running an anti-virus program.
Your computer is using hard disk management software (such as Disk Manager, EZ-Drive, or DrivePro) for hard disk geometry translation. These tools provide support for large hard disks (more than 1024 cylinders) when your computer's Basic Input/Output System (BIOS) does not support large hard disks.

Windows Setup was unable to copy the system files to the hard disk.

Security software has disabled access to drive C. "

Try the other answers first then try booting to a Win95 floppy and typing fdisk /mbr and reboot. If that dont work try replacing the on board battery. And resetting the bios to default and auto detect. You may need to enter the hard drive setting your self.

Sounds like the BIOS can't detect any operating system available, either on fixed disks or removeable disks. First make sure the hard drive data and power cables are correctly connected. Second, when you first turn on your computer, press either delete key or another one specified to enter into the BIOS/CMOS table. Once there check to make sure the BIos sees a hard drive. If so, then possibly there isn't a operating system (like Windows) on the hard drive.

I would start troubleshooting in the BIOS. Check to see if my computer detected the correct harddrive, and Also, You should see setting for FIRST BOOT DEVICE and SECOND BOOT DEVICE, and so on..... Sometimes it's PRIMARY BOOT DEVICE and SECONDARY BOOT DEVICE, and so on...... Make sure you Harddrive is selected on one of those options. ( I have mine set on FLOPPY, HD0, CD-ROM.) This tells the computer which device on your computer to boot to in an orderly fashion. Good luck.

May seem like a daft answer but have you set the partition active?

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