1 memory module connector 2 securing clip CAUTION: Do not install ECC memory modules. 1 cutouts (2) 2 tab 5. Insert the memory module into the connector until the memory module snaps into position. If you insert the memory module correctly, the securing clips snap into the cutouts at each end of the memory module. 6. Replace the computer cover (see Replacing the Computer Cover). 7. Connect your computer and devices to electrical outlets, and then turn them on. If the message appears stating that memory size has changed, press to continue. 8. Log on to your computer. 9. Right-click the My Computer icon on your Microsoft® Windows® desktop and click Properties. 10. Click the General tab. 11. To verify that the memory is installed correctly, check the amount of memory (RAM) listed. Recommended Memory Configuration While installing or replacing memory, refer to the table below: Setting Up Dual Channel Memory Configuration Inspiron 545 3 notch 4 memory module CAUTION: To avoid damage to the memory module, press the memory module straight down into the connector while you apply equal force to each end of the memory module. 1 cutouts (2) 2 securing clip (snapped in position) Model One module Two modules Three modules Four modules 535/537 DIMM1 DIMM1 DIMM2 NA NA 545 DIMM1 DIMM1 DIMM3 DIMM1 DIMM3 DIMM2 DIMM1 DIMM3 DIMM2 DIMM4 546 DIMM1 DIMM1 DIMM2 DIMM1 DIMM2 DIMM3 DIMM1 DIMM2 DIMM3 DIMM4 NOTE: Dual channel memory is not supported on Inspiron™ 535/537. Inspiron 546 Back to Contents Page 1 Pair A: matched pair of memory modules in connectors DIMM1 and DIMM3 2 Pair B: matched pair of memory modules in connectors DIMM2 and DIMM4 1 Pair B: matched pair of memory modules in connectors DIMM3 and DIMM4 2 Pair A: matched pair of memory modules in connectors DIMM1 and DIMM2 Back to Contents Page Power Supply Dell™ Inspiron™ 535/537/545/546 Service Manual Removing the Power Supply Replacing the Power Supply Removing the Power Supply 1. 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 must route 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™ 535/537 Inspiron 545/546 WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage on at the following location: 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 6. While pressing down on the power supply retention snap(s), slide out the power supply and lift it out. Replacing the Power Supply 1. Press down on the power supply retention snap(s) and slide the replacement power supply towards the back of the computer. 2. Replace the four screws that secure the power supply to the back of the computer chassis. 3. Connect the DC power cables to the system board and drives. 4. Secure all the cables to the securing clip on the side of the power supply. 5. Replace the computer cover (see Replacing the Computer Cover). 6. Check the voltage selector switch (if applicable) to ensure that the correct voltage is selected. 7. Connect your computer and devices to an electrical outlet, and turn them on. Back to Contents Page 1 screws (4) 2 power supply 3 voltage selector switch 4 power supply retention snaps (2) WARNING: Failure to replace and tighten all screws may cause electrical shock as these screws are a key part of the system grounding. NOTE: Route the DC power cables under the chassis tabs. The cables must be properly routed to prevent the cables from being damaged. NOTE: Double-check all cable connections to make sure they are secure. Back to Contents Page System Setup Dell™ Inspiron™ 535/537/545/546 Service Manual Overview Entering System Setup Clearing Forgotten Passwords Clearing CMOS Settings Flashing the BIOS Overview Use System Setup: l To change the system configuration information after you add, change, or remove any hardware in your computer. l To set or change a user-selectable option such as the user password. l To read the current amount of memory or set the type of hard drive installed. Before you use System Setup, it is recommended that you write down the system setup screen information for future referen...
