HP Workstation xw3100 HP Workstation xw3100 - Service and Technical Reference - Page 108
Solving Minor Problems, Problem, Cause, Possible Solution, standby, Control Panel, Num Lock
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Troubleshooting Without Diagnostics Solving Minor Problems Solving Minor Problems Problem Cause Possible Solution Workstation appears locked up and will not turn off when the power button is pressed. Software control of the power switch is not functional. 1. Press and hold the power button for at least four seconds until the workstation turns off. 2. Disconnect electrical plug from outlet. Workstation will not respond to USB keyboard or mouse. Workstation is in standby mode. Press the power button to resume from standby mode. Ä CAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the workstation will shut down and you will lose your data. Workstation date and RTC (real-time clock) time display is incorrect. battery may need to be replaced. 1. Reset the date and time under Control Panel. 2. Replace the RTC battery. Workstation appears to pause periodically. Network driver is loaded and no network connection is established. Establish a network connection, or use Computer Setup or Microsoft Windows Device Manager to disable the network controller. Cursor will not move using the arrow keys on the keypad. The Num Lock key may be on. Press the Num Lock key. The Num Lock key can be disabled (or enabled) in Computer Setup. Cannot remove workstation cover or access panel. Smart Cover Lock, featured on some workstations, is locked. 1. Unlock the Smart Cover Lock using Computer Setup. 2. Use the Smart Cover FailSafe Key in case of forgotten password, power loss, or workstation malfunction. Poor performance is experienced. Processor is hot. 1. Ensure airflow to the workstation is not blocked. 2. Ensure the fans are connected and working properly (some fans only operate when needed). 3. Ensure the processor heatsink is installed properly. Hard drive is full. Transfer data from the hard drive to create more space on the hard drive. D-2 Service and Technical Reference Guide, xw3100