Dell Inspiron 1150 - Manual (Page 69)

Adding and Replacing Parts
69
NOTE:
Memory modules purchased from Dell are covered under your computer warranty.
3 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.
captive screw
memory
module cover
securing clips
memory module