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Place the processor thermal-cooling assembly over the processor. To prevent damage to the system board, you must remove the main battery see Before Working Precisjon Your Computer before you begin working inside the computer.
Dell Precision M90 instruction manual and user guide
Starting at any corner, use your fingers to gently snap the srvice into place to secure it to the display panel. Removing The Memory Module s Computer before you begin working inside the computer. Lift the processor thermal-cooling assembly and remove it from the system board. Reconnect the LED board connector to the system board. 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 keyboard see Keyboard. Disconnect your computer and all attached devices from their electrical outlets. Remove the hard drive bay by removing the four M2 x 3-mm screws, and lifting out the bay. Take note of the arrow on the ZIF-socket cam screw, which indicates the direction to turn prrcision cam screw. Page 89 – Running the files and settings transfer Place your finger under the cover at the indentation, and lift the cover to remove it.
Align the connector on the bottom of the modem with the modem connector on the system board, and press down on the right side of the modem. You can do so by touching an unpainted metal surface. Turn the computer upside-down and remove the two M3 x 3-mm screws. Remove the dwll board see Removing the System Board. The system board’s BIOS chip contains the Service Tag, which is also visible on a barcode label serviec the bottom of the computer.
Forcing the cover to close may damage your computer. To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when servife the cam screw. Trademarks used in this text: Replace the spring that attaches the latch to the display panel.
DELL PRECISION M90 SERVICE MANUAL Pdf Download.
Loosen in consecutive order the four captive screws, labeled “1” through “4,” that secure the processor thermal-cooling assembly to the system board. Replace the eight M2 x 3-mm screws four on each side around the display mmanual. Disconnect any telephone or network cables from the computer. Computer before you begin working inside the computer. Remove the smart-card reader screw. Don’t show me this message again.
Do not touch the processor die.
Dell Precision M90 Parts
Replace the palm rest see M0 the Palm Rest. Reconnect the touch-pad connector to the system board. Display Bezel 1 shoulder screws 4, two at the top and two at the bottom 2 screw covers 2 3 M2. Remove the spring from the mmanual on the computer base by lifting it up and away with a screwdriver or a plastic sedvice. Replacing the Modem 1. Disconnect the modem cable from the modem. Memory modules purchased from Dell are covered under your computer warranty. With the back of the computer facing you, grasp the upper-right corner of the system board and lift it slightly.
Remove the plastic battery-latch assembly by twisting the assembly slightly and lifting it out of the channel and away from the computer base.
Pull the system board assembly away from you toward the front 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. Turn the computer top-side up.
Replace the hard drive bay and reinsert the four M2 x 3-mm screws. To help prevent damage to the system board, you must remove the main battery see Before Working Inside Your Computer before you begin working inside the computer.
Ensure that the cam lock is in the fully open position before seating the processor module. Disconnect your computer and all attached devices from their electrical outlets. Since the computer operating system reserves some memory for system files and sfrvice, the amount of available memory that is displayed will be less than the total memory installed.