Dell Inspiron 1100 Owner's Manual page 101

If you are replacing a memory module, remove the existing module:
3
Use your fingertips to carefully spread apart the securing clips on
a
each end of the memory module connector until the module
pops up.
Remove the module from the connector.
b
securing clips
captive screw
memory
module cover
memory module
Adding and Re placing Parts
NOTE: Memory modules
purchased from Dell are
covered under your
computer warranty.
101