Troubleshooting Tips

This section provides various troubleshooting tips for the OmniBook 800 and its accessories. As with all troubleshooting, these tips should be combined with other techniques and tools to effectively diagnose hardware issues.

OmniBook Components

The following table lists various symptoms of several OmniBook components. Troubleshooting techniques are then listed for both Call Center and Repair Center Personnel.

Table 15 - OmniBook Troubleshooting Tips

Symptom

Call Center

Repair Center

Mouse

 

 

Cursor moves on its own

Is the link warped? (The link is

Mouse grommet (Service Note

 

the flat piece of plastic

800-08). Alternatively, inspect

Cursor floats in direction

connecting the mouse to the

for a burr on a contact inside

different for mouse

computer) If so, send the

the hole the grommet fits in on

movement

customer a new mouse.

the logic board (carefully file

 

 

off the burr).

Cursor sticks to one side of

Otherwise, send in for repair.

Sticking can be an open or

display after mouse has

 

missing resistor on the logic

moved in opposite direction

 

board. Replace logic assy.

Cursor won’t go to edge of

Press firmly with mouse when

Mouse grommet or paw active

display

reaching edge of screen. If

assy; if cursor won’t move at

 

problem still occurs, send in for

all, most probably a bad paw

 

repair.

active assy. Also could be an

 

 

open resistor on logic board.

Cursor jitters

Send in for repair

Paw active assy or warped link.

Mouse button press not

Does customer have access to

Mouse or paw active assembly

recognized

another OB with a mouse? If so,

 

 

swap mouse. If OB works now,

 

 

send a new mouse. If not, send

 

 

in for repair.

 

Stiff up/down motion

Send in for repair

Paw active assembly (Service

 

 

Note 800-10)

Fine positioning of cursor

Some vertical backlash on the

Paw active assembly

difficult

right side of the display is

 

 

normal. It requires slightly more

 

 

mouse movement on the right

 

 

side before the cursor moves.

 

Display

 

 

Brightness does not adjust

The adjustment steps are very

Verify brightness adjusts

 

small and may not be very

properly. If ineffective, replace

 

noticeable. Also, TFT display

display.

 

will not darken as much as a

 

 

CSTN, so customer’s previous

 

 

experiences with notebooks may

 

 

affect expectation.

 

Garbage on display when

Try a hard reset. If this doesn’t

Replace logic PCA if problem

first turned on

help, send in for repair.

occurs on both internal and

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