Texas Instruments 4000M - Manual (Page 147)

Restoring Lap top File Ma nag er
If LFM has for some reason been deleted from the hard disk,
you can install the LFM files from the backup diskettes you
made of your system software during SETUP.
After installing the software, you should be able to load LFM
from the hard disk, Windows, or from the Laptop Manager
main menu.
Restoring Laptop File Manager
7-30 Laptop File Manager