Table 7-38 Issues, possible causes, and fixes (continued)
Items Procedures
(1) Touchpad on/off button
(2) Touchpad
Troubleshooting steps
1. Ensure touchpad on/off light is not amber (disabled). Double tap to enable.
2. Verify whether touchpad device is listed in Device Manager > Mice and other
pointing devices.
3. Install the latest touchpad driver.
4. Adjust touchpad settings (Control Panel > Mouse).
5. Test touchpad controller using the HP PC Hardware Diagnostics (UEFI) tool (f2>
Component Tests > Mouse Test > Pointer Test & Drag and Drop Test).
The following steps are for authorized service providers/technicians.
1. Check the touchpad cable for damage or a loose connection, and then reseat the
touchpad cable.
2. If issue persists, replace the touchpad and verify the change.
Network connectivity (RJ-45 jack)
Use this information to troubleshoot network issues.
Table 7-39
Issues, possible causes, and fixes
Items Procedures
Symptoms
● Unable to find networks (yellow bang)
● Connection dropouts
● Slow performance
Possible causes
Network source, cable, connection, RJ-45 (network) jack, driver, settings.
Troubleshooting steps
Quick Check: verify the network status lights that supposed to flash when
there is network activity.
Network connectivity wireless (WLAN)
Use this information to troubleshoot wireless connectivity issues.
Table 7-40
Issues, possible causes, and fixes
Items Procedures
Symptoms
● Unable to find networks (yellow bang)
● Connection dropouts
● Slow performance
Possible causes
Network source, cable, connection, wireless module, driver, settings.
140 Chapter 7 Troubleshooting guide
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