HP ZBook 17 Maintenance and Service Guide - Page 148
TouchPad, Network Connectivity Ethernet (RJ-45 jack)
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TouchPad Items Symptoms Not working properly (1) - TouchPad on/off button (2) - TouchPad Procedures Possible causes On/Off enabled, driver, settings. Troubleshooting steps 1. Ensure TouchPad On/Off 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) Items Symptoms ● Unable to find networks (yellow bang) ● Connection dropouts ● Slow performance HP Support Assistant tool - No network detected in HPSA Procedures Possible causes Network source, cable, connection, RJ-45 port, driver, settings. Troubleshooting steps Quick Check: verify the network status lights that supposed to flash when there is network activity. 1. Turn off the computer's wireless feature (press wireless button). 2. Verify that networking source with recommended distance to the base is less than 300 feet. 3. Examine the Ethernet cable for damage. Test with a verified working cable. 4. Test with different networks and jacks and check with IT for hardware compatibility settings. 5. Connect a verified working RJ-45 cable directly to the computer to isolate other related issues (e.g., router, switch, docking station). 6. Verify Ethernet port lights (RJ-45): ● Green (left): network is connected. ● Amber (right): network is showing activity. 134 Chapter 7 Troubleshooting guide