Compaq Evo N180 Especificaciones

bMaintenance and Service GuideCompaq Notebook Evo N180 SeriesDocument Part Number: 263815-001December 2001This guide is a troubleshooting reference us

Product DescriptionMaintenance and Service Guide 1–5Build-to-Order Models123 45678910 11N18 P 100 X5 20 V M 25 L 2 SKU#Germany Configuration code = KD

5–28 Maintenance and Service GuideRemoval and Replacement Procedures10. Computer models with 15.1-inch displays have ground cables secured to the base

Removal and Replacement ProceduresMaintenance and Service Guide 5–2912. Remove the hinge covers from the display (Figure 5-22).Figure 5-22. Removing t

5–30 Maintenance and Service GuideRemoval and Replacement Procedures5.14 Top Cover1. Prepare the computer for disassembly (Section 5.3) and remove the

Removal and Replacement ProceduresMaintenance and Service Guide 5–313. Remove the following screws:❏Seven PM2.0 × 8.0 screws 1 securing the top cover

5–32 Maintenance and Service GuideRemoval and Replacement Procedures5. Disconnect the TouchPad cable 1 from the LIF connector on the system board (Fig

Removal and Replacement ProceduresMaintenance and Service Guide 5–331. Prepare the computer for disassembly (Section 5.3) and remove the following com

5–34 Maintenance and Service GuideRemoval and Replacement Procedures5. Remove the two PM1.5 × 8.0 screws 1 and the two PM1.5 × 4.0 screws 2 that secur

Removal and Replacement ProceduresMaintenance and Service Guide 5–355.16 Charger Board1. Prepare the computer for disassembly (Section 5.3) and remove

5–36 Maintenance and Service GuideRemoval and Replacement Procedures2. Remove the three PM2.0 × 5.5 screws 1 that secure the charger board to the base

Removal and Replacement ProceduresMaintenance and Service Guide 5–375.17 Audio Board1. Prepare the computer for disassembly (Section 5.3) and remove t

1–6 Maintenance and Service GuideProduct DescriptionConfigure-to-Order ModelsAll configure-to-order models: Are United States models. Have a configura

5–38 Maintenance and Service GuideRemoval and Replacement Procedures2. Disconnect the speaker cable 1 from the audio board.3. Remove the two PM2.0 × 5

Removal and Replacement ProceduresMaintenance and Service Guide 5–395.18 Keyboard Support Plate✎The keyboard support plate is included in the Hardware

5–40 Maintenance and Service GuideRemoval and Replacement Procedures2. Remove the four PM2.0 × 4.5 screws 1 that secure the keyboard support plate to

Removal and Replacement ProceduresMaintenance and Service Guide 5–41c. Heat sink (Section 5.10)d. Display (Section 5.13)e. Top cover (Section 5.14)f.

5–42 Maintenance and Service GuideRemoval and Replacement Procedures5.20 Fan1. Prepare the computer for disassembly (Section 5.3) and remove the follo

Removal and Replacement ProceduresMaintenance and Service Guide 5–432. Disconnect the fan cable 1 from the audio board (Figure 5-31).3. Lift the fan s

5–44 Maintenance and Service GuideRemoval and Replacement Procedures5.21 System Board✎When replacing the system board, ensure that the following compo

Removal and Replacement ProceduresMaintenance and Service Guide 5–452. Position the computer so the rear panel faces forward.3. Remove the four HM5 ×

5–46 Maintenance and Service GuideRemoval and Replacement Procedures5. Remove the four PM2.0 × 8.0 screws 1 that secure the left and right display sup

Removal and Replacement ProceduresMaintenance and Service Guide 5–477. Lift the front edge of the system board 1 until it clears the base enclosure (F

Product DescriptionMaintenance and Service Guide 1–7Configure-to-Order Models123 45678910 11N18 P 120 X5 30 V M 51 L 2 470025-296*N18 P 120 X5 30 V M

5–48 Maintenance and Service GuideRemoval and Replacement Procedures5.22 Modem Cable✎The modem cable is included in the Cable Kit (spare part number 2

Maintenance and Service Guide 6–16SpecificationsThis chapter provides physical and performance specifications.Table 6-1ComputerDimensionsHeightWidthDe

6–2 Maintenance and Service GuideSpecifications✎Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates

SpecificationsMaintenance and Service Guide 6–3Table 6-215.0-inch XGA, TFT DisplayDimensionsHeightWidthDiagonal9.52 in12.47 in15.0 in24.18 cm31.67 cm3

6–4 Maintenance and Service GuideSpecificationsTable 6-314.1-inch XGA, TFT DisplayDimensionsHeightDepthWidth8.97 in11.76 in14.1 in22.8 cm29.9 cm35.81

SpecificationsMaintenance and Service Guide 6–5Table 6-4Hard Drives30 GB 20 GB 15 GB 10 GBUser capacity per drive130.0 GB 20.0 GB 15.0 GB 10.0 GBDrive

6–6 Maintenance and Service GuideSpecifications30 GB 20 GB 15 GB 10 GBPhysical configurationCylinders2HeadsSectors per track2Bytes per sector22,784629

SpecificationsMaintenance and Service Guide 6–7Table 6-5Diskette DriveDiskette size 3.5 inchLight on systemHeight 0.5 in (12.7 mm)Bytes per sector 512

6–8 Maintenance and Service GuideSpecificationsTable 6-6CD-ROM DriveApplicable disc CD-ROM (Mode 1, 2, and 3)CD-XA ready (Mode 2, Form 1 and 2)CD-I re

SpecificationsMaintenance and Service Guide 6–9Table 6-7DVD-ROM DriveApplicable disc DVD-5, DVD-9, DVD-10CD-ROM (Mode 1 and 2)CD Digital AudioCD-XA re

1–8 Maintenance and Service GuideProduct DescriptionConfigure-to-Order Models123 45678910 11N18 P 106 P5 20 V M 51 L 2 470025-317N18 P 106 P5 20 V M 5

6–10 Maintenance and Service GuideSpecificationsTable 6-8CD-RW DriveCenter hole diameter 0.59 in 0.39 cmDisc diameter 12 cm, 8 cmDisc thickness 0.47 i

SpecificationsMaintenance and Service Guide 6–11Table 6-9External AC AdapterWeight 0.45 lb 0.21 kgPower supply (input)Operating voltageOperating curre

6–12 Maintenance and Service GuideSpecificationsTable 6-11System DMAHardware DMA System FunctionDMA0 Available for audioDMA1 Entertainment audio(defau

SpecificationsMaintenance and Service Guide 6–13Table 6-12System InterruptsHardware IRQ System FunctionIRQ0 System timerIRQ1 Keyboard controllerIRQ2 C

6–14 Maintenance and Service GuideSpecificationsTable 6-13System I/O AddressesI/O Address (hex) System Function (shipping configuration)000 to 00F DMA

SpecificationsMaintenance and Service Guide 6–15I/O Address (hex) System Function (shipping configuration)0A2 to 0BF Unused0C0 to 0DF DMA controller n

6–16 Maintenance and Service GuideSpecificationsI/O Address (hex) System Function (shipping configuration)2F0 to 2F7 Unused2F8 to 2FF Infrared port300

SpecificationsMaintenance and Service Guide 6–17Table 6-14System Memory MapSize Memory Address System Function640 KB 00000000 to 0009FFFF Base memory1

Maintenance and Service Guide A–1AConnector Pin AssignmentsTable A-1RJ-45 Network InterfacePin Signal Pin Signal1 Transmit + 5 Unused2 Transmit - 6 Re

A–2 Maintenance and Service GuideConnector Pin AssignmentsTable A-2RJ-11 ModemPin Signal Pin Signal1 Unused 4 Unused2Tip 5Unused3 Ring 6 UnusedTable A

Product DescriptionMaintenance and Service Guide 1–9Configure-to-Order Models123 45678910 11N18 P 106 X5 20 W M 51 16 F 470025-327N18 P 106 X5 20 W M

Connector Pin AssignmentsMaintenance and Service Guide A–3Table A-4S-VideoPin Signal Pin Signal1 Ground (Y) 3 Y-Luminance (Intensity)2 Ground (C) 4 C-

A–4 Maintenance and Service GuideConnector Pin AssignmentsTable A-5ParallelPin Signal Pin Signal1 Strobe* 10 Acknowledge*2 Data bit 0 11 Busy3 Data bi

Connector Pin AssignmentsMaintenance and Service Guide A–5Table A-6External MonitorPin Signal Pin Signal1 Red analog 9 +5 VDC2 Green analog 10 Ground3

A–6 Maintenance and Service GuideConnector Pin AssignmentsTable A-7Stereo Speaker/HeadphonePin Signal Pin Signal1 Audio out 2 Ground21Table A-8Microph

Connector Pin AssignmentsMaintenance and Service Guide A–7Table A-9External Keyboard/MousePin Signal Pin Signal1 Keyboard/mouse DATA 4 +5 VDC2 Keyboar

Maintenance and Service Guide B–1BPower Cord Set Requirements3-Conductor Power Cord SetThe wide range input features enable the computer to operate fr

B–2 Maintenance and Service GuidePower Cord Set RequirementsCountry-Specific RequirementsNotes1. The flexible cord must be <HAR> Type HO5VV-F, 3

Power Cord Set RequirementsMaintenance and Service Guide B–32. The flexible cord must be Type SPT-3 or equivalent, No. 18 AWG, 3-conductor. The wall p

Maintenance and Service Guide C–1CScrew ListingThis appendix provides specification and reference information for the screws used in the computer. All

C–2 Maintenance and Service GuideScrew ListingTable C-1Phillips M2.0 × 5.5 ScrewColor Qty Length ThreadHead Widthsilver 20 5.5 mm 2.0 mm 4.0 mmWhere u

1–10 Maintenance and Service GuideProduct Description1.2 Features The following processors are available, varying by computer model:❏1.33-GHz Intel Mo

Screw ListingMaintenance and Service Guide C–3Figure C-1. Phillips M2.0 × 5.5 Screw Locations263815-001.bookPage3Thursday,December13,200111:

C–4 Maintenance and Service GuideScrew ListingFigure C-2. Phillips M2.0 × 5.5 Screw Locations (Continued)Table C-1Phillips M2.0 × 5.5 Screw (Continued

Screw ListingMaintenance and Service Guide C–5Figure C-3. Phillips M2.0 × 5.5 Screw Locations (Continued)Table C-1Phillips M2.0 × 5.5 Screw (Continued

C–6 Maintenance and Service GuideScrew ListingFigure C-4. Phillips M2.5 × 4.0 Screw LocationsTable C-2Phillips M2.5 × 4.0 ScrewColor Qty Length Thread

Screw ListingMaintenance and Service Guide C–7Figure C-5. Phillips M2.0 × 8.0 Screw LocationsTable C-3Phillips M2.0 × 8.0 ScrewColor Qty Length Thread

C–8 Maintenance and Service GuideScrew ListingFigure C-6. Phillips M2.0 × 8.0 Screw Locations (Continued)Table C-3Phillips M2.0 × 8.0 Screw (Continued

Screw ListingMaintenance and Service Guide C–9Figure C-7. Phillips M2.0 × 8.0 Screw Locations (Continued)Table C-3Phillips M2.0 × 8.0 Screw (Continued

C–10 Maintenance and Service GuideScrew ListingFigure C-8. Phillips M1.5 × 5.0 Screw LocationsTable C-4Phillips M1.5 × 5.0 ScrewColor Qty Length Threa

Screw ListingMaintenance and Service Guide C–11Figure C-9. Phillips M1.5 × 5.0 Screw Locations (Continued)Table C-4Phillips M1.5 × 5.0 Screw (Continue

C–12 Maintenance and Service GuideScrew ListingTable C-5Phillips M1.5 × 8.0 ScrewColor Qty Length ThreadHead Widthsilver 2 8.0 mm 1.5 mm 4.0 mmWhere u

Product DescriptionMaintenance and Service Guide 1–11 Network interface card (NIC) integrated on system board, with mini PCI V.90 modem Support for on

Screw ListingMaintenance and Service Guide C–13Figure C-10. Phillips M1.5 × 8.0 andPhillips M1.5 × 4.0 Screw Locations263815-001.bookPage13Thursd

C–14 Maintenance and Service GuideScrew ListingFigure C-11. Phillips M2.0 × 4.5 Screw LocationsTable C-7Phillips M2.0 × 4.5 ScrewColor Qty Length Thre

Screw ListingMaintenance and Service Guide C–15Figure C-12. Hex M5.0 × 10.5 Screwlock LocationsTable C-8Hex M5.0 × 10.5 ScrewlockColor Qty Length Thre

Maintenance and Service Guide Index–1Index1394 connector 1–17AAC adapterspare part numbers 3–14specifications 6–11audio boardillustrated 3–4removal 5–

Index–2 Maintenance and Service GuideIndexcomputer specifications 6–1connector coverillustrated 3–2, 3–8location 1–23connector pin assignmentsexternal

IndexMaintenance and Service Guide Index–3embedded numeric keypad 1–19expansion coverillustrated 3–2, 3–8location 1–23removal 5–11external monitor con

Index–4 Maintenance and Service GuideIndexkeyboard connectorlocation 1–17pin assignments A–7keyboard support plateillustrated 3–2, 3–9removal 5–39spar

IndexMaintenance and Service Guide Index–5Ppacking precautions 4–4parallel connectorlocation 1–17pin assignments A–4parts catalog 3–1password, clearin

Index–6 Maintenance and Service GuideIndexspeaker jacklocation 1–15pin assignments A–6specificationsAC adapter 6–11battery 6–11CD-ROM drive 6–8CD-RW d

IndexMaintenance and Service Guide Index–7Vvents 1–16, 1–22VGA chip EMI shieldillustrated 3–2, 3–9removal 5–46video memory boardillustrated 3–6removal

1–12 Maintenance and Service GuideProduct Description1.3 Clearing a PasswordIf the notebook you are servicing has an unknown password, follow these st

Product DescriptionMaintenance and Service Guide 1–131.4 Power ManagementThe computer comes with power management features that extend battery operati

1–14 Maintenance and Service GuideProduct Description1.5 Computer External ComponentsThe external components on the front and right side of the comput

© 2001 Compaq Information Technologies Group, L.P.Compaq, the Compaq logo, and Evo are trademarks of Compaq Information Technologies Group, L.P. in th

Product DescriptionMaintenance and Service Guide 1–153 Drive activity light Turns on when the hard drive or a CD- or DVD-ROM drive is accessed.4 Batte

1–16 Maintenance and Service GuideProduct DescriptionThe computer rear panel and left side components are shown in Figure 1-3 and described in Table 1

Product DescriptionMaintenance and Service Guide 1–175 External monitor connectorConnects an external monitor or overhead projector.6 1394 connector C

1–18 Maintenance and Service GuideProduct DescriptionThe keyboard components are shown in Figure 1-4 and described in Table 1-4.Figure 1-4. Keyboard C

Product DescriptionMaintenance and Service Guide 1–19Table 1-4Keyboard ComponentsItem Component Function1F1 through F12 function keysPerform preset fu

1–20 Maintenance and Service GuideProduct DescriptionThe components on the top of the computer are shown in Figure 1-5 and described in Table 1-5.Figu

Product DescriptionMaintenance and Service Guide 1–215 Power button Turns on the computer. Use the operating system Shut Down command to turn off the

1–22 Maintenance and Service GuideProduct DescriptionThe external components on the bottom of the computer are shown in Figure 1-6 and described in Ta

Product DescriptionMaintenance and Service Guide 1–233 Connector cover Covers the S-video, external monitor, 1394, USB, external keyboard/mouse, and p

1–24 Maintenance and Service GuideProduct Description1.5 Design OverviewThis section presents a design overview of key parts and features of the compu

Maintenance and Service Guide iiiContents1 Product Description1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–21

Maintenance and Service Guide 2–12TroubleshootingÅWARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshoo

2–2 Maintenance and Service GuideTroubleshooting2.2 Troubleshooting FlowchartsTable 2-1Troubleshooting Flowcharts OverviewFlowchart Description2.1 Ini

TroubleshootingMaintenance and Service Guide 2–3Flowchart 2.1 - Initial TroubleshootingConnectingto networkor modem?Begintroubleshooting.Is therepower

2–4 Maintenance and Service GuideTroubleshootingFlowchart 2.2 - No Power, Part 11. Reseat the power cables in the docking station and at the AC outlet

TroubleshootingMaintenance and Service Guide 2–5Flowchart 2.3 - No Power, Part 2Continued from Section 2.2,No Power, Part 1.Visually check fordebris i

2–6 Maintenance and Service GuideTroubleshootingFlowchart 2.4 - No Power, Part 3Continued from Section 2.3,No Power, Part 2.Reseat AC adapterin comput

TroubleshootingMaintenance and Service Guide 2–7Flowchart 2.5 - No Power, Part 4YNContinued from Section 2.4,No Power, Part 3.Reseat loosecomponents a

2–8 Maintenance and Service GuideTroubleshootingFlowchart 2.6 - No Video, Part 1ANStand-aloneor DockingStation?No Video.Replace the following one at a

TroubleshootingMaintenance and Service Guide 2–9Flowchart 2.7 - No Video, Part 2YNContinued fromSection 2.6,No Video, Part 1.DoneVideo OK?Adjust exter

2–10 Maintenance and Service GuideTroubleshootingFlowchart 2.8 - Nonfunctioning Docking Station(if applicable)YNReseat power cord in dockingstation an

iv Maintenance and Service Guide4 Removal and Replacement Preliminaries4.1 Tools Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TroubleshootingMaintenance and Service Guide 2–11Flowchart 2.9 - No Operating System (OS) LoadingNo OS loading from hard drive,go toSection 2.10.Resea

2–12 Maintenance and Service GuideTroubleshootingFlowchart 2.10 - No OS Loading from Hard Drive, Part 1Go toSection 2.17,NonfunctioningDevice.YDoneNOS

TroubleshootingMaintenance and Service Guide 2–13Flowchart 2.11 - No OS Loading from Hard Drive, Part 2Continued fromSection 2.10,No OS Loading from H

2–14 Maintenance and Service GuideTroubleshootingFlowchart 2.12 - No OS Loading from Hard Drive, Part 3YSystemfiles on harddrive?Continued from Sectio

TroubleshootingMaintenance and Service Guide 2–15Flowchart 2.13 - No OS Loading from Diskette DriveDoneYNReseatdiskette drive.OS not loadingfromdisket

2–16 Maintenance and Service GuideTroubleshootingFlowchart 2.14 - No OS Loading from CD- orDVD-ROM DriveYDoneNBootabledisc indrive?Discin drive?No OSL

TroubleshootingMaintenance and Service Guide 2–17Flowchart 2.15 - No Audio, Part 1No Audio.NNotebook in docking station(if applicable)?Internalaudio?A

2–18 Maintenance and Service GuideTroubleshootingFlowchart 2.16 - No Audio, Part 2YNContinued from Section 2.15,No Audio, Part 1.Reloadaudio drivers.A

TroubleshootingMaintenance and Service Guide 2–19Flowchart 2.17 - Nonfunctioning DeviceDoneAnyphysicaldevice?YNUnplug the nonfunctioning device from t

2–20 Maintenance and Service GuideTroubleshootingFlowchart 2.18 - Nonfunctioning KeyboardYNOK?Keyboardnot operating properly.Externaldeviceworks?Repla

Maintenance and Service Guide v6 SpecificationsA Connector Pin AssignmentsB Power Cord Set Requirements3-Conductor Power Cord Set . . . . . . . . . .

TroubleshootingMaintenance and Service Guide 2–21Flowchart 2.19 - Nonfunctioning Pointing DeviceYNOK?Pointing devicenot operating properly.Externaldev

2–22 Maintenance and Service GuideTroubleshootingFlowchart 2.20 - Network or Modem ConnectionYDisconnect all power fromthe notebookand open.No network

Maintenance and Service Guide 3–13Illustrated Parts CatalogThis chapter provides an illustrated parts breakdown and a reference for spare part numbers

3–2 Maintenance and Service GuideIllustrated Parts Catalog3.2 Computer System Major ComponentsFigure 3-2. Computer System Major Components263815-001.b

Illustrated Parts CatalogMaintenance and Service Guide 3–3Table 3-1Spare Parts: Computer System Major ComponentsItem DescriptionSpare Part Number1 Dis

3–4 Maintenance and Service GuideIllustrated Parts CatalogComputer System Major Components (Continued)263815-001.bookPage4Thursday,December13,

Illustrated Parts CatalogMaintenance and Service Guide 3–5Table 3-1Spare Parts: Computer System Major Components (Continued)Item DescriptionSpare Part

3–6 Maintenance and Service GuideIllustrated Parts CatalogComputer System Major Components (Continued)263815-001.bookPage6Thursday,December13,

Illustrated Parts CatalogMaintenance and Service Guide 3–7Table 3-1Spare Parts: Computer System Major Components (Continued)Item DescriptionSpare Part

3–8 Maintenance and Service GuideIllustrated Parts Catalog3.3 Plastics Kit ComponentsFigure 3-3. Plastics Kit ComponentsTable 3-2Plastics Kit Componen

Maintenance and Service Guide 1–11Product DescriptionThe Compaq Notebook Evo N180 Series of Personal Computers offers advanced modularity, Intel Mobil

Illustrated Parts CatalogMaintenance and Service Guide 3–93.4 Hardware Kit ComponentsFigure 3-4. Hardware Kit ComponentsTable 3-3Hardware Kit Componen

3–10 Maintenance and Service GuideIllustrated Parts Catalog3.5 Cable Kit ComponentsFigure 3-5. Cable Kit ComponentsTable 3-4Cable Kit ComponentsSpare

Illustrated Parts CatalogMaintenance and Service Guide 3–113.6 Mass Storage DevicesFigure 3-6. Mass Storage DevicesTable 3-5Mass Storage DevicesItem D

3–12 Maintenance and Service GuideIllustrated Parts CatalogMass Storage Devices (Continued)Table 3-5Mass Storage Devices (Continued)Item DescriptionSp

Illustrated Parts CatalogMaintenance and Service Guide 3–13Mass Storage Devices (Continued)Table 3-5Mass Storage Devices (Continued)Item DescriptionSp

3–14 Maintenance and Service GuideIllustrated Parts Catalog3.7 MiscellaneousTable 3-6Spare Parts: Miscellaneous (not illustrated)DescriptionSpare Part

Maintenance and Service Guide 4–14Removal and ReplacementPreliminariesThis chapter provides essential information for proper and safe removal and repl

4–2 Maintenance and Service GuideRemoval and Replacement Preliminaries4.2 Service ConsiderationsThe following sections include some of the considerati

Removal and Replacement PreliminariesMaintenance and Service Guide 4–34.3 Preventing Damage to Removable DrivesRemovable drives are fragile components

4–4 Maintenance and Service GuideRemoval and Replacement Preliminaries4.4 Preventing Electrostatic DamageMany electronic components are sensitive to e

1–2 Maintenance and Service GuideProduct Description1.1 ModelsComputer models are shown in Table1-1.Table 1-1Compaq Notebook Evo N180Models and Model

Removal and Replacement PreliminariesMaintenance and Service Guide 4–5 Store reusable electrostatic-sensitive parts from assemblies in protective pack

4–6 Maintenance and Service GuideRemoval and Replacement Preliminaries4.7 Grounding Equipment and MethodsGrounding equipment must include either a wri

Removal and Replacement PreliminariesMaintenance and Service Guide 4–7 Nonconductive plastic bags, tubes, or boxes Metal tote boxes Electrostatic volt

Maintenance and Service Guide 5–15Removal and ReplacementProceduresThis chapter provides removal and replacement procedures.Phillips P1 screws are rem

5–2 Maintenance and Service GuideRemoval and Replacement Procedures5.1 Serial NumberReport the computer serial number to Compaq when requesting inform

Removal and Replacement ProceduresMaintenance and Service Guide 5–35.2 Disassembly Sequence ChartUse the following chart to determine the section numb

5–4 Maintenance and Service GuideRemoval and Replacement ProceduresSection Description # of Screws Removed5.9 Keyboard 05.10 Heat sink 45.11 Processor

Removal and Replacement ProceduresMaintenance and Service Guide 5–55.3 Preparing the Computer for DisassemblyPerform the following steps before disass

5–6 Maintenance and Service GuideRemoval and Replacement Procedures4. Remove the Future Bay device by following these steps:a. Turn the computer botto

Removal and Replacement ProceduresMaintenance and Service Guide 5–75. Remove the fixed optical drive by following these steps:a. Turn the computer bot

Product DescriptionMaintenance and Service Guide 1–3Build-to-Order Models123 45678910 11N18 P 133 P5 30 W M 25 L 2 SKU#All models in this section have

5–8 Maintenance and Service GuideRemoval and Replacement Procedures6. Remove the hard drive by following these steps:a. Remove the battery pack (Secti

Removal and Replacement ProceduresMaintenance and Service Guide 5–97. The hard drive bracket is spared with the hard drive. If the hard drive must be

5–10 Maintenance and Service GuideRemoval and Replacement Procedures5.4 Memory Expansion Board1. Prepare the computer for disassembly (Section 5.3).2.

Removal and Replacement ProceduresMaintenance and Service Guide 5–113. Remove the two PM2.0 × 5.5 screws 1 that secure the expansion cover to the base

5–12 Maintenance and Service GuideRemoval and Replacement Procedures7. Spread the retaining tabs 1 on each side of the memory expansion board (Figure

Removal and Replacement ProceduresMaintenance and Service Guide 5–132. Turn the computer bottom side up with the front facing forward.3. Remove the ex

5–14 Maintenance and Service GuideRemoval and Replacement Procedures5.6 Video Memory Board1. Prepare the computer for disassembly (Section 5.3).2. Tur

Removal and Replacement ProceduresMaintenance and Service Guide 5–155. Spread the retaining tabs 1 on each side of the video memory board. The board r

5–16 Maintenance and Service GuideRemoval and Replacement Procedures5.7 Computer FeetThe computer feet are adhesive-backed rubber pads. The computer f

Removal and Replacement ProceduresMaintenance and Service Guide 5–175.8 LED Cover1. Prepare the computer for disassembly (Section 5.3).2. Turn the com

1–4 Maintenance and Service GuideProduct DescriptionBuild-to-Order Models123 45678910 11N18 P 100 P5 30 V M 51 L 2 SKU#United States Configuration cod

5–18 Maintenance and Service GuideRemoval and Replacement Procedures6. Press the ESC key to reveal the notch 1 in the LED cover (Figure 5-13).7. Inser

Removal and Replacement ProceduresMaintenance and Service Guide 5–195.9 Keyboard1. Prepare the computer for disassembly (Section 5.3).2. Remove the LE

5–20 Maintenance and Service GuideRemoval and Replacement Procedures5.10 Heat Sink✎The heat sink includes an exhaust fan. Do not remove this fan from

Removal and Replacement ProceduresMaintenance and Service Guide 5–214. Remove the four PM2.0 × 5.5 screws 1 that secure the heat sink to the base encl

5–22 Maintenance and Service GuideRemoval and Replacement Procedures6. Slide the heat sink forward 1 and rest it on the base enclosure (Figure 5-16).7

Removal and Replacement ProceduresMaintenance and Service Guide 5–231. Prepare the computer for disassembly (Section 5.3) and remove the following com

5–24 Maintenance and Service GuideRemoval and Replacement Procedures5.12 Disk Cell RTC Battery1. Prepare the computer for disassembly (Section 5.3) an

Removal and Replacement ProceduresMaintenance and Service Guide 5–252. Use a flat-bladed tool to press the RTC battery socket release tab 1 to the rig

5–26 Maintenance and Service GuideRemoval and Replacement Procedures5.13 Display1. Prepare the computer for disassembly (Section 5.3).2. Remove the LE

Removal and Replacement ProceduresMaintenance and Service Guide 5–277. Disconnect the display cable 1 from the system board (Figure 5-20).8. Remove th