Dell precision m90 User Manual page 63

6. Replace the memory module cover.
NOTICE: If the cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer.
7. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.
8. Reinstall the hard drive. See
9. Reinstall the optical drive. See
10. Turn on the computer.
As the computer boots, it detects the additional memory and automatically updates the system configuration information. If prompted, press <F1> to continue.
To confirm the amount of memory installed in the computer, click Start® Control Panel® System.
Modem
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).
NOTICE: To avoid damaging the system board, you must remove the battery before you begin working inside the computer.
1. Follow the procedures in
2. Turn the computer over and loosen the captive screws from the Mini-Card/modem cover.
3. Place your finger under the cover at the indentation, and lift the cover to remove it.
4. Remove the existing modem:
a. Remove the screw that secures the modem to the system board, and set the screw aside.
b. Pull straight up on the attached pull-tab to lift the modem out of its connector on the system board, and disconnect the modem cable.
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Hard Drive.
Optical Drive.
Before You Begin.