40 Solving Problemsw w w . d e l l . c o m | s u p p o r t . d e l l . c o mNetwork ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructionslocated in the Product Information Guide.Power ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructionslocated in the Product Information Guide.CH E C K T H E N E T W O R K C A B L E C O N N E C T O R — Ensure that the network cable is firmly inserted intoboth the network connector on the back of the computer and the network port or device.CH E C K T H E N E T W O R K L I G H T S O N T H E B A C K O F T H E C O M P U T E R — If the link integrity light is off,that indicates no network communication exists. Replace the network cable. For a description ofnetwork lights, see "Controls and Lights" on page 101.RE S T A R T T H E C O M P U T E R A N D L O G O N T O T H E N E T W O R K A G A I NCH E C K Y O U R N E T W O R K S E T T I N G S — Contact your network administrator or the person who set upyour network to verify that your network settings are correct and that the network is functioning.RU N T H E HA R D W A R E TR O U B L E S H O O T E R — See "Resolving Software and Hardware Incompatibilities"on page 53.IF T H E P O W E R L I G H T I S G R E E N A N D T H E C O M P U T E R I S N O T R E S P O N D I N G — See "Diagnostic Lights"on page 47.IF T H E P O W E R L I G H T I S B L I N K I N G G R E E N — The computer is in standby mode. Press a key on thekeyboard, move the mouse, or press the power button to resume normal operation.
