Dell Precision M90 Service Manual
Dell Precision M90 Manual
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- Dell Precision M90 | Service Manual - Page 1
Dell Precision™ M90 Mobile Workstation Service Manual Before You Begin System Components Optical Drive Hard Drive Memory Module(s) Modem Mini-Card Internal Card With Bluetooth® Wireless Technology Hinge Cover Keyboard Display Palm Rest Coin-Cell Battery Speakers Subwoofer USB Port Board Processor - Dell Precision M90 | Service Manual - Page 2
Battery Latch Assembly Dell Precision™ M90 Mobile Workstation Service Manual Removing the Battery Latch Assembly Replacing the Battery Latch Assembly Removing the Battery Latch Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide - Dell Precision M90 | Service Manual - Page 3
on the computer base. 3. Place the battery latch release under the computer base, line it up with the hole in the base, and then replace the screw in the assembly. Ensure that the newly installed latch moves smoothly and freely when pushed and released. 4. Replace the hard drive bay and reinsert - Dell Precision M90 | Service Manual - Page 4
5. Replace the system board and the four M2.5 x 5 screws. 6. Replace in reverse order the other components that you removed in Removing the Battery Latch Assembly. Back to Contents Page - Dell Precision M90 | Service Manual - Page 5
Back to Contents Page Before You Begin Dell Precision™ M90 Mobile Workstation Service Manual Recommended Tools Turning Off Your Computer Before Working Inside Your Computer Computer Orientation Screw Identification This section provides procedures for removing and installing the components in your - Dell Precision M90 | Service Manual - Page 6
telephone or network cables from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets. 5. Close the display and turn the computer upside-down on a flat work surface. NOTICE: To help prevent damage to the system board, remove the main battery before working - Dell Precision M90 | Service Manual - Page 7
(1 each) (2 each) (1 each) Internal Card With Bluetooth® Wireless Technology: Keyboard: (1 each) (2 each) Display Assembly: (4 each) Display Bezel: (4 speaker) USB Port Board: (1 each) Fans (2): (4 total - 2 per fan) System Board: (4 each) Hard Drive Bay: (4 each) Back to Contents Page - Dell Precision M90 | Service Manual - Page 8
- Dell Precision M90 | Service Manual - Page 9
Back to Contents Page Internal Card With Bluetooth® Wireless Technology Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself - Dell Precision M90 | Service Manual - Page 10
Back to Contents Page ExpressCard Cage Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap - Dell Precision M90 | Service Manual - Page 11
Back to Contents Page Mini-Card Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. CAUTION: Only products approved for use in your portable computer may be installed. NOTICE: To - Dell Precision M90 | Service Manual - Page 12
connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors and realign the card. 5. Install the replacement Mini-Card: a. Align the Mini-Card with the connector at a 45-degree angle, and press the Mini-Card down into the securing clips until the card clicks into - Dell Precision M90 | Service Manual - Page 13
Page Coin-Cell Battery Dell Precision™ M90 Mobile Workstation Service Manual Removing the Coin-Cell Battery Replacing the Coin-Cell Battery Removing the Coin-Cell Battery CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To - Dell Precision M90 | Service Manual - Page 14
Back to Contents Page - Dell Precision M90 | Service Manual - Page 15
Back to Contents Page System Components Dell Precision™ M90 Mobile Workstation Service Manual NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: Unless otherwise noted, - Dell Precision M90 | Service Manual - Page 16
Page Processor Module Dell Precision™ M90 Mobile Workstation Service Manual Removing the Processor Module Replacing the Processor Module Removing the Processor Module CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid - Dell Precision M90 | Service Manual - Page 17
Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board. NOTE: When you replace the processor thermal-cooling Replace the processor thermal-cooling assembly (see Replacing the Processor Thermal-Cooling Assembly). 4. Perform the steps in Removing - Dell Precision M90 | Service Manual - Page 18
Cooling Assembly Dell Precision™ M90 Mobile Workstation Service Manual Removing the Processor Thermal-Cooling Assembly Replacing the Processor Thermal-Cooling Assembly Removing the Processor Thermal-Cooling Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in - Dell Precision M90 | Service Manual - Page 19
3. Tighten the four captive screws, labeled "1" through "4," in consecutive order. Back to Contents Page - Dell Precision M90 | Service Manual - Page 20
Page Display Dell Precision™ M90 Mobile Workstation Service Manual Display Assembly Display Bezel Display Panel Display Latch Display Assembly Removing the Display Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To - Dell Precision M90 | Service Manual - Page 21
antenna cables NOTE: When removing the display assembly, carefully unthread the Mini-Card antenna cables through the computer base and ensure that the plastic protectors-if present-remain on the individual cables. 8. Lift the display assembly away from the computer. Replacing the Display Assembly - Dell Precision M90 | Service Manual - Page 22
screws. 4. Connect the display cable to the system board. 5. Reroute the display cable into the cable channel. 6. Replace the hinge cover (see Replacing the Hinge Cover). 7. If a Mini-Card is installed, connect the antenna cables to the card (see Mini-Card). If one is not installed, tuck the antenna - Dell Precision M90 | Service Manual - Page 23
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 the back panel) on the computer. 1. Follow the instructions in Before Working Inside Your Computer. 2. Remove the display - Dell Precision M90 | Service Manual - Page 24
away from the display panel. 1 display bezel 2 display panel Replacing the Display Bezel 1. Starting at any corner, use your fingers to gently 2. Replace the four M2.5 x 5-mm screws on the corners of the bezel. 3. Replace the four shoulder screws and two screw covers. 4. Replace the six - Dell Precision M90 | Service Manual - Page 25
Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer. 1. Follow the instructions in Before Working Inside Your Computer. 2. Remove the display assembly (see Removing the Display - Dell Precision M90 | Service Manual - Page 26
flex-cable connector to the inverter connector. 3. Replace the display panel inside Replace the display bezel (see Replacing the Display Bezel). Display Latch Removing the Display Latch CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide - Dell Precision M90 | Service Manual - Page 27
Back to Contents Page System Fan(s) Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or - Dell Precision M90 | Service Manual - Page 28
1 fan for video card/thermal - cooling assembly, if installed 4 fan-cable system board connector 2 M2.5 x 5-mm screws 3 fan (2) cable Back to Contents Page - Dell Precision M90 | Service Manual - Page 29
Page Flashing the BIOS Dell Precision™ M90 Mobile Workstation Service Manual NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage. 1. Ensure that the AC adapter is plugged in and that the main battery is installed properly - Dell Precision M90 | Service Manual - Page 30
Hard Drive Dell Precision™ M90 Mobile Workstation Service Manual Removing the Hard Drive Replacing the Hard Drive Returning a Hard Drive to Dell Removing the Hard Drive CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive - Dell Precision M90 | Service Manual - Page 31
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. 1 hard drive Back to Contents Page 2 foam packaging - Dell Precision M90 | Service Manual - Page 32
Back to Contents Page Hinge Cover Dell Precision™ M90 Mobile Workstation Service Manual Removing the Hinge Cover Replacing the Hinge Cover Removing the Hinge Cover CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid - Dell Precision M90 | Service Manual - Page 33
Back to Contents Page Keyboard Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by - Dell Precision M90 | Service Manual - Page 34
Contents Page Memory Module(s) Dell Precision™ M90 Mobile Workstation Service Manual Removing the Memory Module(s) Replacing the Memory Module(s) Removing the Memory Module(s) CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE - Dell Precision M90 | Service Manual - Page 35
battery bay, or connect the AC adapter to your computer and an electrical outlet. 4. Turn on the computer. As the computer boots, it detects the additional memory and automatically updates the system configuration information. NOTE: Since the computer operating system reserves some memory for system - Dell Precision M90 | Service Manual - Page 36
Back to Contents Page Modem Dell Precision™ M90 Mobile Workstation Service Manual Removing the Modem Replacing the Modem Removing the Modem CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, - Dell Precision M90 | Service Manual - Page 37
modem cable to the modem. NOTICE: Ensure that the modem cable is routed correctly when you replace the modem. 2. Connect the modem to the system board. 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 - Dell Precision M90 | Service Manual - Page 38
Back to Contents Page Optical Drive Dell Precision™ M90 Mobile Workstation Service Manual Your computer ships with a fixed optical drive installed. NOTICE: To help prevent damage to drives, store them in a safe, dry place when they are not installed in the computer. Avoid pressing down on them or - Dell Precision M90 | Service Manual - Page 39
to Contents Page Palm Rest Dell Precision™ M90 Mobile Workstation Service Manual Removing the Palm Rest Replacing the Palm Rest Removing the Palm Rest CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic - Dell Precision M90 | Service Manual - Page 40
board. 3. Reconnect the LED board connector to the system board. 4. Replace the coin-cell battery (see Replacing the Coin-Cell Battery). 5. Replace the six M2.5 x 5-mm screws on the top side of the palm rest. 6. Turn the computer upside-down, and replace the 12 M2.5 x 8-mm screws on the bottom - Dell Precision M90 | Service Manual - Page 41
Back to Contents Page - Dell Precision M90 | Service Manual - Page 42
Back to Contents Page Pin Assignments for I/O Connectors Dell Precision™ M90 Mobile Workstation Service Manual USB Connector Video Connector S-Video TV-Out Connector IEEE 1394 Connector USB Connector Pin Signal 1 USB5V+ 2 USBP- 3 USBP+ 4 GND Video Connector Pin Signal Pin Signal 1 - Dell Precision M90 | Service Manual - Page 43
2 GND 3 DLUMA-L 4 DCRMA-L Composite Video Pin Signal 5 NC 6 DCMPS-L 7 GND IEEE 1394 Connector Pin Signal 1 TPB- 2 TPB+ 3 TPA- 4 TPA+ Back to Contents Page - Dell Precision M90 | Service Manual - Page 44
Back to Contents Page Smart Card Reader Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap - Dell Precision M90 | Service Manual - Page 45
Back to Contents Page Speakers Dell Precision™ M90 Mobile Workstation Service Manual Removing the Speakers Replacing the Speakers Removing the Speakers CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic - Dell Precision M90 | Service Manual - Page 46
Back to Contents Page - Dell Precision M90 | Service Manual - Page 47
Back to Contents Page Subwoofer Dell Precision™ M90 Mobile Workstation Service Manual CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by - Dell Precision M90 | Service Manual - Page 48
Back to Contents Page System Board Dell Precision™ M90 Mobile Workstation Service Manual Removing the System Board Replacing the System Board Removing the System Board CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid - Dell Precision M90 | Service Manual - Page 49
the internal card with Bluetooth® wireless technology from the system board. 15. Disconnect the subwoofer connector from the system board. 16. Disconnect the USB-port-board connector from the system board. 17. Disconnect the fan connector(s) from the system board. 18. Remove the video card/thermal - Dell Precision M90 | Service Manual - Page 50
flash BIOS update program CD that accompanied the replacement system board into the optical drive. Follow the instructions that appear on the screen. See Flashing the BIOS for further information. 4. Enter the system setup program to update the BIOS on the new system board with the computer Service - Dell Precision M90 | Service Manual - Page 51
Contents Page Dell Precision™ M90 Mobile Workstation Service Manual NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION - Dell Precision M90 | Service Manual - Page 52
Contents Page USB Port Board Dell Precision™ M90 Mobile Workstation Service Manual Removing the USB Port Board Replacing the USB Port Board Removing the USB Port Board CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid - Dell Precision M90 | Service Manual - Page 53
3. Reconnect the cable to the system board. 4. Replace the palm rest (see Replacing the Palm Rest). 5. Replace the display assembly (see Replacing the Display Assembly). 6. Replace the keyboard (see Keyboard). 7. Replace the hinge cover (see Replacing the Hinge Cover). Back to Contents Page - Dell Precision M90 | Service Manual - Page 54
Assembly Dell Precision™ M90 Mobile Workstation Service Manual Removing the Video Card/Thermal-Cooling Assembly Replacing the Video Card/Thermal-Cooling Assembly Removing the Video Card/Thermal-Cooling Assembly CAUTION: Before you begin the following procedure, follow the safety instructions in - Dell Precision M90 | Service Manual - Page 55
2. Tighten the four captive screws on the video card/thermal-cooling assembly. Back to Contents Page
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Dell Precision™ M90 Mobile Workstation Service Manual
Notes, Notices, and Cautions
Abbreviations and Acronyms
For a complete list of abbreviations and acronyms, see "Glossary" in the
User's Guide
.
If you purchased a Dell™ n Series computer, any references in this document to Microsoft®
Windows
®
operating systems are not applicable.
Information in this document is subject to change without notice.
© 2006 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc.
is strictly forbidden.
Trademarks used in this text:
Dell
, the
DELL
logo, and
Dell Precision
are trademarks of Dell Inc.;
Microsoft
and
Windows
are registered trademarks of Microsoft Corporation.
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. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
Model PP05XA
March 2006 Rev. A00
Before You Begin
Speakers
System Components
Subwoofer
Optical Drive
USB Port Board
Hard Drive
Processor Thermal
-
Cooling Assembly
Memory Module(s)
Processor Module
Modem
Video Card/Thermal
-
Cooling Assembly
Mini
-
Card
System Fan(s)
Internal Card With Bluetooth
®
Wireless Technology
ExpressCard Cage
Hinge Cover
Smart Card Reader
Keyboard
System Board
Display
Battery Latch Assembly
Palm Rest
Flashing the BIOS
Coin
-
Cell Battery
Pin Assignments for I/O Connectors
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
NOTICE:
A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION:
A CAUTION indicates a potential for property damage, personal injury, or death.