Addressing Memory Configurations; Installing Memory - Dell OptiPlex 755 User Manual

Dell optiplex 755: user guide
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.
A matched pair of modules in DIMM connectors 1
and 2 (white securing clips)
NOTICE:
If you remove your original memory modules from the computer during a memory upgrade, keep them
separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible,
do not pair an original memory module with a new memory module. Otherwise, your computer may not start
properly. You should install your original memory modules in pairs either in DIMM connectors 1 and 2 or DIMM
connectors 3 and 4.
NOTE:
Memory purchased from Dell is covered under your computer warranty.

Addressing Memory Configurations

If you are using a 32-bit operating system such as Microsoft
support a maximum of 4 GB of memory. If you are using a 64-bit operating system, your computer will
support a maximum of 8 GB (2-GB DIMMs in each of the four slots) of memory.

Installing Memory

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Information Guide
NOTICE:
To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface on the computer chassis.
1 Follow the procedures in "Before You Begin" on page 21.
2 Remove the computer cover (see "Removing the Computer Cover" for your specific computer).
3 Press out the securing clip at each end of the memory module connector.
314
Memory
.
A
B matched pair of memory modules in DIMM
connectors 3 and 4 (black securing clips)
®
®
Windows
Vista
B
®
, your computer will
Product

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