Compaq au-Series Especificações

bMaintenance and Service GuideCompaq Notebook Evo N160 SeriesDocument Part Number: 260552-001October 2001This guide is a troubleshooting reference use

Product DescriptionMaintenance and Service Guide 1–5N16 C 933 X4 15 V C 12 L 8Australia 470024-079 The Netherlands 470024-061Denmark 470024-044 Norway

Removal and Replacement ProceduresMaintenance and Service Guide 5–335.15 Sub I/O Board1. Prepare the computer for disassembly (Section 5.3) and remove

5–34 Maintenance and Service GuideRemoval and Replacement Procedures2. Remove the black M2 × 9 screw 1 and the silver M2 × 6.5 screw 2 that secure the

Removal and Replacement ProceduresMaintenance and Service Guide 5–354. Disconnect the modem/NIC cable 1 from the sub I/O board (Figure 5-25).5. Lift u

5–36 Maintenance and Service GuideRemoval and Replacement Procedures5.16 System Board1. Prepare the computer for disassembly (Section 5.3) and remove

Removal and Replacement ProceduresMaintenance and Service Guide 5–372. Position the modem/NIC cable 1 so it rests in the empty modular media bay in th

5–38 Maintenance and Service GuideRemoval and Replacement Procedures6. Remove the two black M2 × 9 screws 1 that secure the left display support to th

Removal and Replacement ProceduresMaintenance and Service Guide 5–399. Press in and hold the PC Card eject button 1 (Figure 5-28).10. Lift up the fron

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 6-214.1-inch XGA, TFT DisplayDimensionsHeightDepthWidth8.46 in11.22 in14.10 in21.40 cm28.50 cm35.

1–6 Maintenance and Service GuideProduct DescriptionN16 C 933 X4 15 V C 12 L 2France 470024-049 Norway 470024-066Greece / Poland 470024-056 People’s R

6–4 Maintenance and Service GuideSpecificationsTable 6-313.3-inch XGA, TFT DisplayDimensionsHeightDepthWidth7.98 in10.64 in13.3 in20.28 cm27.03 cm33.7

SpecificationsMaintenance and Service Guide 6–5Table 6-3Hard Drives30.0 GB 20.0 GB 15.0 GBUser capacity per drive130.0 GB 20.0 GB 15.0 GBDrive height(

6–6 Maintenance and Service GuideSpecifications30.0 GB 20.0 GB 15.0 GBPhysical configurationCylinders3HeadsSectors per track3Bytes per sector22,784629

SpecificationsMaintenance and Service Guide 6–7Table 6-4Diskette DriveDiskette size 3.5 inchLight On systemHeight 0.5 in 12.7 mmBytes per sector 512Se

6–8 Maintenance and Service GuideSpecificationsTable 6-5CD-ROM DriveApplicable disk 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 6-6DVD-ROM DriveApplicable disk DVD-5, DVD-9, DVD-10CD-ROM (Mode 1 and 2)CD Digital AudioCD-XA re

6–10 Maintenance and Service GuideSpecificationsTable 6-7CD-RW DriveCenter hole diameter .59 in .39 cmDisk diameter 12 cm, 8 cmDisk thickness .47 in .

SpecificationsMaintenance and Service Guide 6–11Table 6-8AC AdapterDimensionsHeightDepthWidth1.10 in1.42 in3.70 in2.79 cm3.61 cm9.40 cmWeight .39 lb .

6–12 Maintenance and Service GuideSpecificationsTable 6-10System DMAHardware DMA System FunctionDMA0 Available for audioDMA1 Entertainment audio(defau

SpecificationsMaintenance and Service Guide 6–13Table 6-11System InterruptsHardware IRQ System FunctionIRQ0 System timerIRQ1 Keyboard controllerIRQ2 C

Product DescriptionMaintenance and Service Guide 1–7N16 C 933 X3 10 D C 12 L 2France 470024-005 Swedish / Finnish470024-022Germany 470024-007 People’s

6–14 Maintenance and Service GuideSpecificationsTable 6-12System I/O AddressesI/O Address (hex) System Function (shipping configuration)000 - 00F DMA

SpecificationsMaintenance and Service Guide 6–15I/O Address (hex) System Function (shipping configuration)0A2 - 0BF Unused0C0 - 0DF DMA controller no.

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

SpecificationsMaintenance and Service Guide 6–17Table 6-13System Memory MapSize Memory Address System Function640 KB 00000000 - 0009FFFF Base memory12

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 Signal1Unused 4Unused2 Tip 5 Unused3Ring 6UnusedTable A-3

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

1–8 Maintenance and Service GuideProduct Description1.1 Features 1.2-, 1.13-, 1.06-, 1.0-GHz or 933- or 866-MHz Intel Pentium III Processor, with 512

Maintenance and Service Guide B–1BPower Cord Set Requirements3-Conductor Power Cord SetThe computer’s wide range input feature permits it to operate f

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 GuideTable C-2Phillips M3.0 × 4.0 ScrewColor Qty Length ThreadHead WidthBlack 4 4.0 mm 3.0 mm 6.0 mmWhere used:Four screws

Maintenance and Service Guide C–3Table C-3Phillips M2.0 × 5.0 ScrewColor Qty Length ThreadHead WidthSilver 4 5.0 mm 2.0 mm 5.0 mmWhere used:One screw

C–4 Maintenance and Service GuideTable C-3Phillips M2.0 × 5.0 Screw (Continued)Color Qty Length ThreadHead WidthSilver 4 5.0 mm 2.0 mm 5.0 mmWhere use

Maintenance and Service Guide C–5Table C-3Phillips M2.0 × 5.0 Screw (Continued)Color Qty Length ThreadHead WidthSilver 4 5.0 mm 2.0 mm 5.0 mmWhere use

C–6 Maintenance and Service GuideTable C-4Phillips M2.0 × 9.0 ScrewColor Qty Length ThreadHead WidthBlack 15 9.0 mm 2.0 mm 5.0 mmWhere used:Two screws

Maintenance and Service Guide C–7Table C-4Phillips M2.0 × 9.0 Screw (Continued)Color Qty Length ThreadHead WidthBlack 15 9.0 mm 2.0 mm 5.0 mmWhere use

Product DescriptionMaintenance and Service Guide 1–9 Connectors for:❏ RJ-45 network❏ RJ-11 modem❏ Universal Serial Bus❏ S-Video❏ Parallel devices❏ Ex

C–8 Maintenance and Service GuideTable C-4Phillips M2.0 × 9.0 Screw (Continued)Color Qty Length ThreadHead WidthBlack 15 9.0 mm 2.0 mm 5.0 mmWhere use

Maintenance and Service Guide C–9Table C-4Phillips M2.0 × 9.0 Screw (Continued)Color Qty Length ThreadHead WidthBlack 15 9.0 mm 2.0 mm 5.0 mmWhere use

C–10 Maintenance and Service GuideTable C-4Phillips M2.0 × 9.0 Screw (Continued)Color Qty Length ThreadHead WidthBlack 15 9.0 mm 2.0 mm 5.0 mmWhere us

Maintenance and Service Guide C–11Table C-5Phillips M2.0 × 10.5 ScrewColor Qty Length ThreadHead WidthSilver 5 10.5 2.0 mm 5.0 mmWhere used:Four screw

C–12 Maintenance and Service GuideTable C-5Phillips M2.0 × 10.5 Screw (Continued)Color Qty Length ThreadHead WidthSilver 5 10.5 2.0 mm 5.0 mmWhere use

Maintenance and Service Guide C–13Table C-6Phillips M2.0 × 12.0 ScrewColor Qty Length ThreadHead WidthBlack 1 12.0 mm 2.0 mm 5.0 mmWhere used:One scre

C–14 Maintenance and Service GuideTable C-7Phillips M2.0 × 6.5 ScrewColor Qty Length ThreadHead WidthSilver 5 6.5 mm 2.0 mm 5.0 mmWhere used:One screw

Maintenance and Service Guide C–15Table C-7Phillips M2.0 × 6.5 Screw (Continued)Color Qty Length ThreadHead WidthSilver 5 6.5 mm 2.0 mm 5.0 mmWhere us

C–16 Maintenance and Service GuideTable C-7Phillips M2.0 × 6.5 Screw (Continued)Color Qty Length ThreadHead WidthSilver 5 6.5 mm 2.0 mm 5.0 mmWhere us

Maintenance and Service Guide C–17Table C-7Phillips M2.0 × 6.5 Screw (Continued)Color Qty Length ThreadHead WidthSilver 5 6.5 mm 2.0 mm 5.0 mmWhere us

1–10 Maintenance and Service GuideProduct Description1.2 Clearing a PasswordIf the notebook you are servicing has an unknown password, follow these st

C–18 Maintenance and Service GuideTable C-8Phillips M2.0 × 5.0 ScrewColor Qty Length ThreadHead WidthGold 2 5.0 mm 2.0 mm 6.0 mmWhere used:Two screws

Maintenance and Service Guide C–19

Maintenance and Service Guide Index–1Index1394 jack 1–15AAC adapterspare part numbers 3–10specifications 6–11audio troubleshooting 2–17Bbase enclosure

Index–2 Maintenance and Service GuideIndexS-video A–3universal serial bus (USB) connector A–2connectors 4–2cursor control keys 1–17Ddesign overview 1–

IndexMaintenance and Service Guide Index–3Ggrounding equipment/methods 4–6Hhard drivebay 1–15, 1–20bracketillustrated 3–2, 3–8removal 5–37illustrated

Index–4 Maintenance and Service GuideIndexmini PCI communications boardillustrated 3–4removal 5–31spare part numbers 3–5, 5–31models 1–2modemillustrat

IndexMaintenance and Service Guide Index–5power management features 1–11processorillustrated 3–4installation 5–19removal 5–18spare part numbers 3–5, 5

Index–6 Maintenance and Service GuideIndexS-video connectorlocation 1–14pin assignments A–3switch coverillustrated 3–2, 3–8removal 5–11system boardill

Product DescriptionMaintenance and Service Guide 1–111.3 Power ManagementThe computer comes with power management features that extend battery operati

1–12 Maintenance and Service GuideProduct Description1.4 Computer External ComponentsThe external components on the front and right side of the comput

Product DescriptionMaintenance and Service Guide 1–13Table 1-1Front and Right Side ComponentsItem Component Function1 Display release latch Opens the

1–14 Maintenance and Service GuideProduct DescriptionThe computer rear panel and left side components are shown in Figure 1-3 and described in Table 1

© 2001 Compaq Computer CorporationCompaq, Evo, and the Compaq logo are trademarks of Compaq Information Technologies Group, L.P.Microsoft and Windows

Product DescriptionMaintenance and Service Guide 1–157 1394 jack Connects IEEE 1394-compliant products, such as digital camcorders, video editing equi

1–16 Maintenance and Service GuideProduct DescriptionThe keyboard components are shown in Figure 1-4 and described in Table 1-3.Figure 1-4. Keyboard C

Product DescriptionMaintenance and Service Guide 1–17Table 1-3Keyboard ComponentsItem Component Function1F1 through F12 function keysPerform preset fu

1–18 Maintenance and Service GuideProduct DescriptionThe components on the top of the computer are shown in Figure 1-5 and described in Table 1-4.Figu

Product DescriptionMaintenance and Service Guide 1–194 Power button Turns on the computer. Use the operating system Shut Down command to turn off the

1–20 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 1–213 Memory expansion compartment coverCovers the memory expansion compartment that contains two mem

1–22 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 2–12TroubleshootingÅWARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshoo

2–2 Maintenance and Service GuideTroubleshootingTroubleshooting FlowchartsTable 2-1Troubleshooting Flowcharts OverviewSection Description2.1 Initial t

Maintenance and Service Guide iiiContents1 Product DescriptionModels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–21.1 F

TroubleshootingMaintenance and Service Guide 2–3Initial TroubleshootingConnectingto networkor modem?Go toSection 2.20,No Networkor ModemConnection.Beg

2–4 Maintenance and Service GuideTroubleshooting2.2 No Power, Part 1No Power(Power LED is off)1. Reseat power cables in docking stationand at the AC o

TroubleshootingMaintenance and Service Guide 2–52.3 No Power, Part 2Continued fromSection 2.2,No Power, Part 1.Visually check fordebris in batterysock

2–6 Maintenance and Service GuideTroubleshooting2.4 No Power, Part 3Continued fromSection 2.3,No Power, Part 2.Reseat AC adapterin computer andat powe

TroubleshootingMaintenance and Service Guide 2–72.5 No Power, Part 4YNContinued fromSection 2.4,No Power, Part 3.Reseat loosecomponents andboards andr

2–8 Maintenance and Service GuideTroubleshooting2.6 No Video, Part 1ANStand-aloneor DockingStation?No VideoReplace the following one at a time. Test a

TroubleshootingMaintenance and Service Guide 2–92.7 No Video, Part 2YNContinued fromSection 2.6,No Video, Part 1.DoneVideo OK?Adjust externalmonitor d

2–10 Maintenance and Service GuideTroubleshooting2.8 Nonfunctioning Docking Station(if applicable)YNReseat powercord in dockingstation andpower outlet

TroubleshootingMaintenance and Service Guide 2–112.9 No Operating System (OS) LoadingNo OS loadingfrom hard drive,go toSection 2.10.Reseat powercord i

2–12 Maintenance and Service GuideTroubleshooting2.10 No OS Loading from Hard Drive, Part 1Go toSection 2.17,NonfunctioningDevice.YDoneNOS notloading

iv Maintenance and Service GuideContents2.16 No Audio, Part 2 . . . . . . . . . . . . . . . . . . . . . . . 2–182.17 Nonfunctioning Device . . . . .

TroubleshootingMaintenance and Service Guide 2–132.11 No OS Loading from Hard Drive, Part 2Continued fromSection 2.10,No OS Loadingfrom Hard Drive,Par

2–14 Maintenance and Service GuideTroubleshooting2.12 No OS Loading from Hard Drive, Part 3YSystemfiles on harddrive?Continued fromSection 2.11,No OS

TroubleshootingMaintenance and Service Guide 2–152.13 No OS Loading from Diskette DriveDoneYNReseatdiskette drive.OS not loadingfromdiskette drive.Don

2–16 Maintenance and Service GuideTroubleshooting2.14 No OS Loading from CD- orDVD-ROM DriveYDoneNBootabledisc indrive?Discin drive?No OSloading fromC

TroubleshootingMaintenance and Service Guide 2–172.15 No Audio, Part 1No audioNNotebook indocking station(if applicable)?Internalaudio?Audio? DoneUndo

2–18 Maintenance and Service GuideTroubleshooting2.16 No Audio, Part 2YNContinued fromSection 2.15,No Audio, Part 1.Reloadaudio drivers.Audiodriver in

TroubleshootingMaintenance and Service Guide 2–192.17 Nonfunctioning DeviceDoneAnyphysicaldevice?YNUnplug the nonfunctioning devicefrom the notebook,

2–20 Maintenance and Service GuideTroubleshooting2.18 Nonfunctioning KeyboardYNOK?Keyboardnot operatingproperly.Externaldeviceworks?Replacesystemboard

TroubleshootingMaintenance and Service Guide 2–212.19 Nonfunctioning Pointing DeviceYNOK?Pointing devicenot operatingproperly.Externaldeviceworks?Repl

2–22 Maintenance and Service GuideTroubleshooting2.20 Network or Modem Connection ProblemsYDisconnect allpower fromthe notebookand open.No networkor m

ContentsMaintenance and Service Guide v5.11 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–245.12 Speaker Assembly . . .

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 ComponentspFigure 3-2. Computer System Major Components

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)

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)

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 and Hardware Kit ComponentsFigure 3-3 Plastics and Hardware Kit ComponentsTable

Illustrated Parts CatalogMaintenance and Service Guide 3–93.4 Mass Storage DevicesFigure 3-4. Mass Storage DeviceslTable 3-3Mass Storage DevicesItem D

3–10 Maintenance and Service GuideIllustrated Parts Catalog3.5 MiscellaneousTable 3-4Spare Parts: Miscellaneous (not illustrated)DescriptionSpare Part

Maintenance and Service Guide 1–11Product DescriptionThe Compaq Notebook Evo N160 Series of Personal Computers offers advanced modularity, Intel Penti

Illustrated Parts CatalogMaintenance and Service Guide 3–11AC adapters60-Watt AC adapter power supply (2 wire)60-Watt AC adapter power supply (3 wire)

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

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

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 v

Maintenance and Service Guide 5–15Removal and ReplacementProceduresThis chapter provides removal and replacement procedures.Phillips P0 and P1 screws

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

1–2 Maintenance and Service GuideProduct DescriptionModelsComputer models are shown in Table1-1.Table 1-1Compaq Notebook Evo N160Models and Model Nami

Removal and Replacement ProceduresMaintenance and Service Guide 5–35.2 Disassembly Sequence ChartUse the chart below to determine the section number t

5–4 Maintenance and Service GuideRemoval and Replacement Procedures5.3 Preparing the Computer for DisassemblyPerform the following steps before disass

Removal and Replacement ProceduresMaintenance and Service Guide 5–54. Remove the hard drive by following these steps:a. Turn the computer bottom side

5–6 Maintenance and Service GuideRemoval and Replacement ProceduresIf the hard drive must be removed from the hard drive sleeve, perform the following

Removal and Replacement ProceduresMaintenance and Service Guide 5–75. Remove a modular media bay device by following these steps:a. Turn the computer

5–8 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 5–96. Spread the memory expansion slot retaining tabs to release the memory expansion

5–10 Maintenance and Service GuideRemoval and Replacement Procedures5.5 Computer FeetThe computer feet are adhesive-backed rubber pads. The computer f

Removal and Replacement ProceduresMaintenance and Service Guide 5–115.6 Switch Cover✎The switch cover is included in the Plastics and Hardware Kit (sp

5–12 Maintenance and Service GuideRemoval and Replacement Procedures6. Press down and hold the Esc key 1 (Figure 5-10).7. Use a small straight edge to

Product DescriptionMaintenance and Service Guide 1–3123 45678910 11N16P100X420VC12 L 8Arabic 470024-097 The Netherlands 470024-099Australia 470024-980

Removal and Replacement ProceduresMaintenance and Service Guide 5–135.7 Keyboard1. Prepare the computer for disassembly (Section 5.3).2. Remove the sw

5–14 Maintenance and Service GuideRemoval and Replacement Procedures3. Lift up the back edge of the keyboard and swing it up and forward until it rest

Removal and Replacement ProceduresMaintenance and Service Guide 5–154. Remove the two silver M2 × 5 screws 1 that secure the keyboard shield to the ba

5–16 Maintenance and Service GuideRemoval and Replacement Procedures5.8 Fan Assembly1. Prepare the computer for disassembly (Section 5.3).2. Remove th

Removal and Replacement ProceduresMaintenance and Service Guide 5–174. Disconnect the fan cable from the system board 1 (Figure 5-13).5. Loosen the fo

5–18 Maintenance and Service GuideRemoval and Replacement Procedures5.9 Processor1. Prepare the computer for disassembly (Section 5.3) and remove the

Removal and Replacement ProceduresMaintenance and Service Guide 5–192. Use a flat-blade screwdriver to turn the processor locking screw 1 one-half tur

5–20 Maintenance and Service GuideRemoval and Replacement Procedures5.10 Display1. Prepare the computer for disassembly (Section 5.3).2. Remove the sw

Removal and Replacement ProceduresMaintenance and Service Guide 5–215. Insert a small straight edge tool (screwdriver or tweezers) into the notch 1 in

5–22 Maintenance and Service GuideRemoval and Replacement Procedures9. Position the computer so the front faces you.10. Open the computer as far as it

1–4 Maintenance and Service GuideProduct DescriptionN16P100X420VC12 L 2Arabic 470024-098 Latin America 470024-058470024-067(NAFTA)Australia 470024-981

Removal and Replacement ProceduresMaintenance and Service Guide 5–2313. Remove the black M2 × 12 screw 1 that secures the left display hinge (Figure 5

5–24 Maintenance and Service GuideRemoval and Replacement Procedures5.11 Top Cover1. Prepare the computer for disassembly (Section 5.3) and remove the

Removal and Replacement ProceduresMaintenance and Service Guide 5–253. Remove the eight black M2 × 9 screws 1 that secure the top cover to the base en

5–26 Maintenance and Service GuideRemoval and Replacement Procedures7. Release the ZIF connector 1 to which the TouchPad cable is attached and disconn

Removal and Replacement ProceduresMaintenance and Service Guide 5–279. Lift the top cover straight up to remove it (Figure 5-20).Figure 5-20. Removing

5–28 Maintenance and Service GuideRemoval and Replacement Procedures5.12 Speaker Assembly✎The left and right speakers are not interchangeable. The rig

Removal and Replacement ProceduresMaintenance and Service Guide 5–292. Disconnect the speaker cables 1 from the system board (Figure 5-21).3. Remove t

5–30 Maintenance and Service GuideRemoval and Replacement Procedures5.13 Disk Cell RTC Battery✎The disk cell RTC battery is included in the Plastics a

Removal and Replacement ProceduresMaintenance and Service Guide 5–315.14 Mini PCI Communications Board1. Prepare the computer for disassembly (Section

5–32 Maintenance and Service GuideRemoval and Replacement Procedures2. Disconnect the communications cable from the mini PCI communications board 1 (F