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Use the pull-tab to disconnect the display cable from the system board, and then disengage the display cable from the cable channel. When the flash update is complete, the computer will automatically reboot. Be careful when removing the hinge cover. Dell precision m90 User Manual pages. Turn the computer upside-down and remove the 12 M2.

Replacing the Display Assembly 1. If you are installing a new palm rest, remove the coin-cell battery from the old palm rest so that you can install it on the new palm rest.

Remove the system board, slowly easing the connectors out of their access holes on the back and side of the computer base: Tighten the four captive screws, labeled “1” through “4,” in consecutive order. Remove the memory module s see Removing the Memory Module s. Disconnect your computer and all attached devices from their electrical outlets.

Insert a screwdriver into the indentation for the device security screw, and push the notch on the metal tab to release the drive from the bay. Remove the four M2. Before Working I nside Your Computer Use the following safety guidelines to help protect fell computer from potential damage and to help ensure your own personal safety.

Replace the Mini-Card cover. If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. Removing The Memory Module s Computer before you begin working inside the computer.


Slide the manuaal latch release on the bottom of the computer and remove the battery from the bay. Loosen in consecutive order the four captive screws, labeled “1” through “4,” that secure the processor thermal-cooling assembly to the system board.

Connect the modem cable to the modem. Don’t show me this message again. Don’t show me this message again. The replacement kit for the system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board. If a Mini-Card is installed, disconnect the antenna cables from the card. Some cables have a connector with locking dsll if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable.

The left hinge assembly has a small tab that you must first insert underneath the edge of the palm rest. Pull the system board assembly away from you toward the prfcision of the computer and slightly to the right; at the same time, use your left hand to release the audio connectors by pulling the side of the computer base slightly to the left. Page 41 Back to Contents Page Lift the palm rest and remove it from the computer. Unless otherwise noted, each procedure in this document assumes that a part can be replaced by performing the removal procedure in reverse order.

Remove the smart-card reader screw.

Dell Precision M90 Laptop Replacement Parts |

Connect the modem to the system board. Remove the system board see Removing the System Board. Z x ,3 1 pull-tab on bottom flex-cable connector 2 top flex-cable connector 3 display cable connector 4 inverter connector Replacing the Display Panel 1. Lift the keyboard and hold it up and slightly forward to provide access to the keyboard connector. Remove the hinge cover see Removing the Hinge Cover.


Dell mobile workstation setup and quick reference guide 72 pages. Msnual See for precision m90 Quick reference manual – pages User manual – pages Service manual – 56 pages.

The computer continues to boot and updates the new BIOS. Dell mobile workstation setup and quick reference guide 72 pages. Loosen the captive ground screw that rpecision the display-panel ground precission to the display back cover. Reconnect the bottom flex-cable connector to the inverter connector. Comments to this Manuals Your Name.

If you are replacing the thermal-cooling assembly without removing and replacing a new processor, it is not necessary to clean the surface of the processor.

Dell Precision M90 instruction manual and user guide

For a complete list of abbreviations and acronyms, see “Glossary” in the User’s Guide. Replace the four shoulder screws and two screw covers. Disconnect the ExpressCard connector from the connector on the system board.

Do not separate the thermal-cooling assembly from the video card.

Replace the six M2. Turn the computer top-side up and disconnect the touch-pad connector from the system board. Replace in reverse order the other components that you removed in Removing the Battery Latch Assembly. Preecision the processor module properly in the ZIF socket does not require force.

Lift the display panel out of the display back cover. Place the processor thermal-cooling assembly over the processor. To avoid damaging the Mini-Card, never place cables under the card.