Table 7-34 Issues, possible causes, and xes (continued)
Items Procedures
1. Verify whether keyboard ex cable is in good condition (no delamination or torn cable
end, no missing or cracked tracks, pads).
2. Verify that keyboard ex cable ends are fully inserted and aligned with connectors on
system board, and those connector tabs are properly closed. Reseat cables.
3. Replace new internal keyboard and retest.
Tips If a key works only when pressed with force, inspect and remove debris trapped under keycap.
Keyboard pointing stick
Use this information to troubleshoot pointing stick issues.
Table 7-35 Issues, possible causes, and xes
Items Procedures
Symptom
Point stick not working properly
Possible causes
Dust trapped under point stick, loose point stick cap.
Troubleshooting steps
1. Inspect for any signs of dust or liquid spill that prevents point stick from working.
2. Check whether point stick cap is loose, and reseat it if necessary.
The following steps are for authorized providers and technicians.
Example of back of keyboard, including
keyboard, point stick, and backlight
cables.
1. Verify whether keyboard ex cables are in good condition (no delamination or torn cable
end, no missing or cracked tracks, pads).
2. Verify that keyboard ex cable ends are fully inserted and aligned with connectors on
system board and back of keyboard, and that connector tabs are properly closed.
3. Reseat point stick cables.
Keyboard backlight
Use this information to troubleshoot keyboard backlight issues.
Table
7-36 Issues, possible causes, and xes
Items Procedures
Symptom
Backlight function not working properly
Possible causes
Backlight disabled, loose connection.
ENWW Common issues and possible solutions 151
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