Dell Latitude D510 - Manual (Page 69)

3. Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, press and hold the power button for 4 seconds.
4. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.
5. Disconnect any telephone or telecommunication lines from the computer.
6. Disconnect your computer and all attached devices from their electrical outlets.
7. Remove any installed PC Cards from the PC Card slot.
8. Close the display and turn the computer upside down on a flat work surface.
9. Slide and hold the battery-bay latch release on the bottom of the computer, and then remove the battery from the bay.
10. Remove a second battery, if installed.
11. Press the power button to ground the system board
12. Remove any installed modules.
13. Remove the hard drive.
Memory
You can increase your computer memory by installing memory modules on the system board. See " Specifications " for information on the memory supported by
your computer. Be sure to add only memory modules that are intended for your computer.
1. Turn the computer over, remove the screw from the memory module cover, and lift the cover.
2. If you are replacing a memory module, remove the existing module.
a. Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up.
b. Remove the module from the connector.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.
NOTE: Memory modules purchased from Dell are covered under your computer warranty.
CAUTION: Before working inside your Dell™ computer, read the safety instructions in your Product Information Guide.
NOTICE: To prevent damage to the memory module connector, do not use tools to spread the inner metal tabs that secure the memory module.
NOTICE: Handle memory modules by their edges, and do not touch the components on a module.