Installing a HP M50 Monitor

Had to reload Windows 98 on a pc due to a corrupt hard drive. Drive was so corrupted it had to be reformated prior to loading. The problem I have now is due to a move the install disk is either misplaced or lost for installing the monitor. The generic verious of 98 does not list any HP monitors. Therefore when installing it on;y loads the monitor as a generic monitor limiting it to 16 insted of 256 colors. I’ve tried the HP site and all areas I know of to get install software, or find an answer as to how to get this monitor up to 256 colors without any luck. Anyone out there have a solution?

Thanks in advance