Dell Latitude D531 User Manual

Also see for Latitude D531: Quick reference guide Service manual Quick reference guide User guide Quick reference guide

Contents

92 TroubleshootingIf the battery status light flashes green and orange, the battery is too hot to charge. Shut down thecomputer, disconnect the computer from the electrical outlet, and then let the battery and computercool to room temperature.If the battery status light rapidly flashes orange, the battery may be defective. Contact Dell (see"Contacting Dell" on page 137).CH E C K T H E B A T T E R Y T E M P E R A T U R E — If the battery temperature is below 0° C (32° F), the computer will not startup.TE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with another device, suchas a lamp.CH E C K T H E AC A D A P T E R — Check the AC adapter cable connections. If the AC adapter has a light, ensure thatthe light is on.CO N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I C A L O U T L E T — Bypass power protection devices, power strips,and the extension cable to verify that the computer turns on.EL I M I N A T E P O S S I B L E I N T E R F E R E N C E — Turn off nearby fans, fluorescent lights, halogen lamps, or otherappliances.AD J U S T T H E P O W E R P R O P E R T I E S — See "Configuring Power Management Settings" on page 33.RE S E A T T H E M E M O R Y M O D U L E S — If the computer power light turns on but the display remains blank, reinstallthe memory modules (see "Memory" on page 114).Ensuring Sufficient Power for Your ComputerYour computer is designed to use a 65-W or 90-W AC adapter. However, for optimum systemperformance, you should always use a 90-W AC adapter.Using less-powerful AC adapters, including the 65-W AC adapter, will cause you to receive a WARNINGmessage.Docking Power ConsiderationsDue to the extra power consumption when a computer is docked to the Dell D/Dock, normal computeroperation is not possible on battery power alone. Ensure that the AC adapter is connected to yourcomputer when the computer is docked to the Dell D/Dock.Docking While the Computer Is RunningIf a computer is connected to the Dell D/Dock or Dell D/Port while the computer is running, presence ofthe docking device is ignored until the AC adapter is connected to the computer.AC Power Loss While the Computer Is DockedIf a computer loses AC power while docked to the Dell D/Dock or Dell D/Port, the computerimmediately goes into low-performance mode.