This question needs to be asked in the disks.general newsgroup where the disk gurus hang out.

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Regards
Ron Badour, MS MVP W98 System
Tips: http://home.satx.rr.com/badour
Knowledge Base Info: http://support.microsoft.com/default.aspx?pr=kbinfo
> I ran the fdisk /mbr command and now I get a Invalid
> partition error at boot. How can rebuild without format?
Hello,
Our tool DiskPatch is capable of rebuilding the MBR including partition
tables from scratch. Try the demo first and see if it is able to detect
original partitions, if so, full recovery is likely with the full version.
Regards and luck,
Joep
--
D I Y D a t a R e c o v e r y . N L - Data & Disaster Recovery Tools
http://www.diydatarecovery.nl
http://www.diydatarecovery.com
Please include previous correspondence!
DiskPatch - MBR, Partition, boot sector repair and recovery.
iRecover - FAT, FAT32 and NTFS data recovery.
MBRtool - Freeware MBR backup and restore.
> I ran the fdisk /mbr command and now I get a Invalid
> partition error at boot. How can rebuild without format?