HP Dc5700 Quick Setup and Getting Started Guide - Enhanced for Accessibility - Page 21

Table 1 Solving General Problems (continued) Cannot remove computer cover or access panel. Cause Solution the wrench-style key or PN 166527-002 for the screwdriver bit key. Poor performance is experienced. Cause Solution Processor is hot. 1. Make sure airflow to the computer is not blocked. Leave a 10.2-cm (4-inch) clearance on all vented sides of the computer and above the monitor to permit the required airflow 2. Make sure fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Hard drive is full. Transfer data from the hard drive to create more space on the hard drive. Low on memory. Add more memory. Hard drive fragmented. Defragment hard drive. Program previously accessed did not release reserved memory back to the system. Restart the computer. Virus resident on the hard drive. Run virus protection program. Too many applications running. 1. Close unnecessary applications to free up memory. 2. Add more memory. Some software applications, especially games, are 1. stressful on the graphics subsystem Lower the display resolution for the current application or consult the documentation that came with the application for suggestions on how to improve performance by adjusting parameters in the application. 2. Add more memory. 3. Upgrade the graphics solution. Cause unknown. Restart the computer. ENWW Basic Troubleshooting 13