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HP OmniBook 4100 Removal and Replacement 2-19
Figure 2-10. Installing Docking Doors and Module Latch
Figure 2-11. Positioning Thermal Pads
Storing the Serial Number Electronically
1. Exit Windows and boot to a DOS prompt.
2. Run ESN.EXE from one of these sources:
On a factory software installation, change to the \OMNIBOOK directory and type esn at the
prompt.
Otherwise, copy \Omnibook\Drivers\Hputils\Esn.exe from the OmniBook 4100 Recovery
CD, then run it on the OmniBook.
3. Store the serial number:
If you are prompted for the serial number, type the serial number shown on the bottom of the
case.
If a serial number has already been stored, you must call an HP support center to change it.
Installing a New Serial Number Label
If you do not have a master file that creates serial number labels, get a copy from the Reseller website
(see page vi).
1. Using any PC connected to a laser printer, open the master serial label file, enter the serial number
and product number from the old serial label, and print the new label on plain white paper. The
new label does not have barcodes.
2. Carefully cut out the new serial label just inside the border and place it into the inner recess in the
bottom case. The bottom of the label goes toward the front of the case.
CPU module, Pentium (T)
(4 thermal pads)
CPU module, Pentium II (MD)
(2 thermal pads)
Note: Left latch shown.
Rotate the latch 180° to
load the spring.
Note: View from inside the case.
Rotate the doors 360° to load the spring.