Dell Inspiron 1521 Owner's Manual

Also see for Inspiron 1521: Service manual Quick setup Setting Up Your Computer Setting Up Your Computer Setting Up Your Computer

Contents

Dell Inspiron 1521 Owner's Manual Manual pdf 96 page image

Check the power light —When the power light is lit or blinking, the computer has power. If the power light is blinking, the computer is in Sleep state—press the power button to exitSleep state. If the light is off, press the power button to turn on the computer.Charge the battery —The battery charge may be depleted.1. Reinstall the battery.2. Use the AC adapter to connect the computer to an electrical outlet.3. Turn on the computer.Check the battery status light —If the battery status light flashes amber or is a steady amber, the battery charge is low or depleted. Connect the computer to an electrical outlet.If the battery status light flashes blue and amber, the battery is too hot to charge. Shut down the computer, disconnect the computer from the electricaloutlet, and then let the battery and computer cool to room temperature.If the battery status light rapidly flashes amber, the battery may be defective. Contact Dell (see Contacting Dell).Check the battery temperature —If the battery temperature is below 0°C (32°F), the computer will not start.Test the electrical outlet —Ensure that the electrical outlet is working by testing it with another device, such as a lamp.Check the AC adapter —Check the AC adapter cable connections. If the AC adapter has a light, ensure that the light is on.Connect the computer directly to an electrical outlet —Bypass power protection devices, power strips, and extension cables to verify that the computer turns on.Eliminate possible interference —Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.Adjust the power properties —See Configuring Power Management Settings.Reseat the memory modules —If the computer power light turns on, but the display remains blank, reinstall the memory modules (see Memory).Printer ProblemsFill out the Diagnostics Checklist as you complete these checks.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTE: For information on Sleep power state, see Using the Sleep Power State.NOTE: Battery operating time (the time the battery can hold a charge) decreases over time. Depending on how often the battery is used and theconditions under which it is used, you may need to purchase a new battery during the life of your computer.