HP Dc5750 HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition - Page 169

Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Cause Poor performance is experienced. Processor is hot. Hard drive is full. Low on memory. Hard drive fragmented. Program previously accessed did not release reserved memory back to the system Virus resident of the hard drive. Too many applications running. Some software applications, especially games, are stressful on the graphics subsystem. Cause unknown. Possible Solution 1. Ensure 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. Ensure the fans are connected and working properly (some fans only operate when needed). 3. Ensure the processor heatsink is installed properly. Transfer data from the hard drive to create more space on the hard drive. Add more memory. Defragment hard drive. Restart the computer. Run virus protection program. 1. Close unnecessary applications. 2. Add more memory. 1. 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. Restart the computer. Service Reference Guide, dc5750 437963-001 D-3