26Solving ProblemsIf the power light is blinking amber — Thecomputer is receiving electrical power, but adevice might be malfunctioning or incorrectlyinstalled.If you encounter interference that hindersreception on your computer — An unwantedsignal is creating interference by interrupting orblocking other signals. Some possible causes ofinterference are:Power, keyboard, and mouse extension•cables.Too many devices connected to a power•strip.Multiple power strips connected to the same•electrical outlet.Memory ProblemsIf you receive an insufficient memorymessage—Save and close any open files and exit any•open programs you are not using to see ifthat resolves the problem.See the software documentation for•minimum memory requirements. Ifnecessary, install additional memory(See the Service Manual on the Dell Supportwebsite at support.dell.com).If you experience other memory problems —Ensure that you are following the memory•installation guidelines (see the ServiceManual on the Dell Support website atsupport.dell.com).Run the Dell Diagnostics (see “Dell•Diagnostics” on page 31).