Maintenance and Service Guide

Touchpad
Table 8-38 Issues, possible causes, and xes
Items Procedures
Symptoms
Not working properly
Possible causes
On/O enabled, driver, settings.
(1) – Touchpad on/o button
(2) – Touchpad
Troubleshooting steps
1. Ensure touchpad On/O light is not amber (disabled). Double touch to enable.
2. Verify if 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 sections below are intended 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 Ethernet (RJ-45 jack)
Table
8-39 Issues, possible causes, and xes
Items Procedures
Symptoms
● Unable to nd networks (yellow bang)
● Connection dropouts
● Slow performance
Possible causes
Network source, cable, connection, RJ-45 port, driver, settings.
Troubleshooting steps
Quick Check: verify the network status lights that supposed to ash when
there is network activity.
Network connectivity wireless (WLAN)
Table
8-40 Issues, possible causes, and xes
Items Procedures
Symptoms
● Unable to nd networks (yellow bang)
● Connection dropouts
● Slow performance
Possible causes
Network source, cable, connection, wireless module, driver, settings.
Common issues and possible solutions 121