Dell Precision M90 - Manual (Page 61)

3. Slide the hard drive out of the computer.
4. Remove the new drive from its packaging.
Save the original packaging for storing or shipping the hard drive.
5. Slide the hard drive into the bay until it is fully seated.
6. Replace and tighten the screws.
7. If the new hard drive is not already pre-imaged, install the operating system and drivers for your computer. See Restoring Your Operating System and
Reinstalling Drivers and Utilities .
Returning a Hard Drive to Dell
Return your old hard drive to Dell in its original or comparable foam packaging. Otherwise, the hard drive may be damaged in transit.
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. Install only memory modules that are intended for your computer.
1 hard drive screws (2) 2 hard drive
NOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging. See "Protecting Against Electrostatic Discharge" in the
Product Information Guide.
NOTICE: Use firm and even pressure to slide the drive into place. If you use excessive force, you may damage the connector.
1 foam packaging 2 hard drive
NOTE: Memory modules purchased from Dell are covered under your computer warranty.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such
as a connector on the back of the computer).