Dell Inspiron 1150 - Manual (Page 34)

Installing the Memory Modules
1. Align the notch in the module edge connector with the tab in the connector slot.
2. Slide the module firmly into the slot at a 45-degree angle, and rotate the module down until it clicks into place. If you do not feel the click, remove the
module and reinstall it.
3. Replace the cover and tighten the captive screw.
4. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.
5. Turn on the computer.
As the computer boots, it detects the additional memory and automatically updates the system configuration information.
To confirm the amount of memory installed in the computer, click the Start button, click Help and Support, and then click Computer Information.
CD or DVD Drive
Removing the CD or DVD Drive
1. Follow the instructions in " Before Working Inside Your Computer ."
2. Turn the computer over, and remove the M2.5 x 8-mm screw (labeled "O") next to the memory module cover.
3. Loosen the captive screw (labeled "M") in the memory module cover, and lift the cover away from the computer.
1 memory module
2 securing clips
NOTE: If the memory module is not installed properly, the computer may not boot properly. No error message indicates this failure.
NOTICE: If the memory module cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer.
CAUTION: Before working inside your Dell™ computer, read the safety instructions in your Owner's Manual.
CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of
your computer's electronic components. You can do so by touching an unpainted metal surface.