HP Dc5000 Getting Started - Page 16

Getting Started Solving General Problems (Continued) Problem Cause Computer appears to pause periodically. Network driver is loaded and no network connection is established. Cursor will not move using the arrow keys on the keypad. The Num Lock key may be on. Cannot remove computer cover or access panel. Smart Cover Lock, featured on some computers, is locked. Poor performance is experienced. Processor is hot. Hard drive is full. Solution Establish a network connection, or use Computer Setup or Microsoft Windows Device Manager to disable the network controller. Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup. Unlock the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Transfer data from the hard drive to create more space on the hard drive. 12 www.hp.com