HP 4340S manual

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4.Remove the battery (see Battery on page 31).

5.Remove the following components:

a.Bottom door (see Bottom door on page 33).

b.Hard drive (see Hard drive on page 37)

c.Optical drive (see Optical drive on page 35)

d.Keyboard (see Keyboard on page 45)

e.Top cover (see Top cover on page 47)

When replacing the system board, be sure to remove the following components from the defective system board and install on the replacement system board:

SIM card (see SIM on page 34)

Memory module (see Memory modules on page 39)

WLAN module (see WLAN/Bluetooth combo card on page 43)

WWAN module (see WWAN module on page 41)

Remove the system board:

1.Position the computer upright with the front toward you.

2.Disconnect the display cable (1), speaker cable (2), and the power cable (3) from the system board.

3.Remove the Phillips PM2.5×6.0 screw (1) that secures the system board to the base enclosure.

62 Chapter 4 Removal and replacement procedures

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Contents HP ProBook 4340s Notebook PC HP ProBook 4341s Notebook PC First Edition May Document Part Number Safety warning notice Iv Safety warning notice Table of contents SIM 101 Viii Product description Hard drives Wireless Integrated Wlan options by way of wireless moduleCategory Description Fixed optical drivesCombo card Power requirementsOperating system Preinstalled External media cardWeb-only support Preinstalled with Microsoft OfficeRestore Media CertifiedServiceability End-user replaceable parts Component Description External component identificationDisplay To use the webcam, select Start All Programs MusicTop TouchPadLights Security Power Options Select Start Control Panel SystemKeys Fn keyFront To the HP Notebook Reference GuideLeft Right GuideService tag Illustrated parts catalogComputer major components Computer major componentsFingerprint reader assembly includes cable and bracket RTC batteryFunction board/Power button board includes cables Speaker assemblyIntel Core i5 processors, dual core Memory modulesIntel Core i7 processor, quad core Intel Core i3 processors, dual corePlastics Kit Display componentsItem Description Spare part number Plastics Kit 684241-001 Mass storage devices Description Spare part number Hard drivesMiscellaneous parts Spare part Sequential part number listingNumber Flag Illustrated parts catalog Sequential part number listing Illustrated parts catalog Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools requiredCables and connectors Typical electrostatic voltage levels Grounding guidelinesEvent 10% 40% 55% Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagBattery Using the optional security screw Bottom door Description Spare part number Bottom door 691116-001SIM Optical drive Page Hard drive Page Memory modules Page Wwan module Page WLAN/Bluetooth combo card Page Keyboard Description Spare part number Keyboard 684252-xx1Page Top cover Page Page Page Page Fingerprint reader board Page Audio board Page Function board/Power button board Page RTC battery Description Spare part number RTC battery 684248-001Speaker assembly Description Spare part number Speaker assembly 684242-001Latch assembly Description Spare part number Latch Kit 686319-001System board Page Heat sink Page Page Processor B970, 2.3-GHz, with 2-MB L3 cache 676785-001 Page Display assembly Page Page Page Page Page Page Page Power connector Page Starting Computer Setup Computer Setup Bios and Advanced System DiagnosticsUsing Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Updating the Bios Downloading SoftPaqs to update the BiosDetermining the Bios version Bios Setup Menu Downloading a Bios updateUsing Advanced System Diagnostics Select To do thisPage Specifications Computer specifications33.8-cm 13.3-in, HD display specifications MetricHard drive specifications DVD±RW and CD-RW SuperMulti DL Combo Drive specifications Blu-ray ROM DVD±RW SuperMulti DL Drive CD-DA, CD+EG, CD-MIDI, CDTEXT, CD-ROM, CD-ROM XASpecification information in Device Manager Backup and recovery Creating recovery media with HP Recovery Disc Creator Creating recovery mediaSelect Start All Programs Maintenance Backup and Restore Backing up your informationPerforming a system recovery Using the Windows recovery toolsUsing f11 recovery tools Using a Windows 7 operating system DVD purchased separatelyPage Power cord set requirements Requirements for all countries and regionsRequirements for specific countries and regions Country/region Accredited agency Applicable note numberPower cord set requirements Battery RecyclingPage Page Page Page Page Bios IndexJacks