Back to Contents PagePower SupplyDell™ Inspiron™ 535/537/545/546 Service ManualRemoving the Power SupplyReplacing the Power SupplyRemoving the Power Supply1. Follow the procedures in Before You Begin.2. Remove the computer cover (see Removing the Computer Cover).3. Disconnect the DC power cables from the system board and the drives.Note the routing of the DC power cables underneath the tabs in the computer chassis as you remove them from the system board and drives. You mustroute these cables properly when you replace them to prevent them from being pinched or crimped.4. Remove all the cables from the securing clip on the side of the power supply.5. Remove the four screws that attach the power supply to the back of the computer chassis.Inspiron™ 535/537Inspiron 545/546WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage on www.dell.com at the following location:www.dell.com/regulatory_compliance.WARNING: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.WARNING: Do not operate your equipment with any cover(s) (including computer covers, bezels, filler brackets, front-panel inserts, etc.)removed.1 power supply retention snap 2 screws (4)3 power supply 4 voltage selector switch