Dell OptiPlex FX160 Setup and Quick Reference Guide - Page 18

IF T H E POWER LIGHT IS O F F - The computer is either turned off or is not receiving power. • Reseat the power cable in the power connector on the back of the computer and the electrical outlet. • Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly. • Ensure that any power strips being used are plugged into an electrical outlet and are turned on. • Ensure that the electrical outlet is working by testing it with another device, such as a lamp. IF THE POWER LIGHT IS BLUE AND THE COMPUTER IS NOT RESPONDING - • Ensure that the display is connected and powered on. • If the display is connected and powered on, see your Service Manual on support.dell.com. I F T H E P O W E R L I G H T I S B L I N K I N G B L U E - The computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to resume normal operation. I F T H E P O W E R L I G H T I S S T E A D Y A M B E R - There is a power problem, or a device may be malfunctioning or incorrectly installed. ELIMINATE I N T E R F E R E N C E - Some possible causes of interference are: • Power, keyboard, and mouse extension cables • Too many devices connected to the same power strip • Multiple power strips connected to the same electrical outlet Memory Problems CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see www.dell.com/regulatory_compliance. IF YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE - • Save and close any open files and exit any open programs you are not using to see if that resolves the problem. • See the software documentation for minimum memory requirements. If necessary, install additional memory. 18 Troubleshooting Tips