Compaq LTE Elite Maintenance And Service Manual page 213

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Problem
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The motor engages but
cycles the computer in
and out.
Probable Cause
The top cover is bowing
up.
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Defective docking
mechanism.
A non-supported computer
is being used.
The reflectors on the
plastic gear are blocked
or missing.
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The motor position sensor
on the expansion base
system board is blocked
or defective.
expansion base
system board is
properly seated
in the top
cover, then
tighten the
screws in the
proper sequence
(Section 9.13).
3. If docking a Compaq
LTE Elite, loosen
the system board
screws in the
computer and
retighten them in
the proper sequence
(Section 4.17).
Recommended Action(s)
Check for bowing in
the top cover. *** If
bowed, complete the
following steps as
required:
1. Ensure that the
drive cage spacer
is installed
properly (Section
9.16). Reinstall
the spacer if
improperly
installed or
missing.
2. Replace the top
cover.
Replace the docking
mechanism.
Ensure that the
computer is a Compaq
LTE Lite or a Compaq
LTE Elite. ****
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1. Ensure that the
white reflectors on
the plastic gear
are present and are
clear of debris.
2. Replace the docking
mechanism.
1. Ensure that the two
small lenses on the
motor position
sensor are clear of
debris.
2. Ensure that the
motor position