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Replace the coin-cell battery see Replacing the Coin-Cell Battery. When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself.
If you are replacing a Mini-Card, remove the existing card: To avoid losing data, save and close any open files and exit any open programs before you turn off your computer. Disconnect the ExpressCard connector from the system board.
DELL PRECISION M90 SERVICE MANUAL Pdf Download.
Page 46 Back to Contents Page Remove the four M2 x 3-mm screws that attach the ExpressCard cage to the top of the hard drive bay. Disconnect the USB-port-board cable connector from the system board.
Reconnect the cable to the system board. Handle components and cards with care. Install the replacement Mini-Card: Remove the plastic battery-latch assembly by twisting the assembly slightly and lifting it out of the channel preciision away from the computer base.
When you remove the screw, the battery latch release on the bottom of the computer will also be removed. Close the display and turn the computer upside-down on a flat work surface.
If you feel resistance, check the connectors and realign the card. Disconnect the antenna cables from the Mini-Card.
Before you begin any of the procedures in this section, follow the safety instructions in the Product I nformation Guide. Remove the eight M2 x 3-mm screws four on each side of the display panel.
Connect the main antenna cable white to eell antenna connector with the white triangle. Pull up on the pull-tab to disconnect the modem from the connector on the system board. Connect the modem cable to the modem.
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Disconnect the modem cable from the modem. Comments to this Manuals Your Name. Connect the speaker cable connector to the connector on the system board.
Repeat step 6 for the lower-left corner of the bezel. Connect the modem to the system board. Turn the computer upside-down and loosen the two captive screws on the Mini-Card cover.
Dell Precision M90 instruction manual and user guide
Page 41 Back to Contents Page To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw. Place a new thermal pad on the part of the thermal-cooling assembly that will cover the new processor: Page 90 – Traveling with your computer Page 91 Page 92 – Troubleshooting Page 93 – Starting the dell diagnostics from the d Information in this document is subject to change without notice.
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network device.
A NOTE indicates important information that helps you make better use of your computer.
Dell Precision M90 Service Manual
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Take note of the arrow on the ZIF-socket cam screw, which indicates the direction to turn the cam screw. If the memory module cover is difficult to close, remove the module and reinstall it. Page 14 Back to Contents Page Replace and tighten the screws. 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.
Unless otherwise noted, each procedure assumes that the following conditions exist: If a Mini-Card is installed, disconnect the antenna cables from the card.