HP 4540s C6Z35UT#ABA, 14 C9K59UT#ABA, D8C11UT 14 D8C11UT#ABA

15.Remove the backlight cables (1) from the clip (2) in the display panel.

16.Position the display panel upside-down.

WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.

17.Remove the backlight frame from the display panel.

132 Chapter 9 Recycling

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HP 4540s C6Z35UT#ABA, 14 C9K59UT#ABA, D8C11UT 14 D8C11UT#ABA manual

Contents

Maintenance and Service Guide First Edition May Document Part Number Safety warning notice Iv Safety warning notice Table of contents 105 128 134 Category Description DiscIntel Core i5 processors, Dual Core 3-MB L3 Intel Core i3 processors, Dual Core, 3rd Panel MemoryBrazil Hard drives Ethernet Wireless Integrated Wlan options by way of wireless moduleAudio/Visual Integrated Wwan options by way of wireless module External media cardPorts Keyboard/pointing Security Operating system PreinstalledPreinstalled with Microsoft Office Restore Media Serviceability End-user replaceable partsWeb-only support Certified Wwan module Keyboard Display Component DescriptionTo use the webcam, select Start All Programs Music Photos and VideosWebCam Companion Top TouchPad Lights Components Description Security Power Options Select Start Control Panel System Keys Component Description Wireless buttonWireless connection Model 4440s/4441s Front To the HP Notebook Reference Guide Left Right Service tag Illustrated parts catalog Computer major components Model 4540s Function board/Power button board assembly includes cable Speaker assemblyRTC battery Battery, Li-ion Description Spare part number Wwan modules Intel Core i7 processor, Quad CoreIntel Core i5 processors, Dual Core Intel Core i3 processors, Dual Core Computer major components Model 4440s/4441s 2Model 4440s/4441s Illustrated parts catalog 683653-001 Description Spare part number Display components Description Spare part number Display bezelMicrophone module not illustrated Display Hinge Kit Plastics Kit Cable Kit Optical drives Mass storage devicesDescription Spare part number Hard drives Miscellaneous parts Number Flag Sequential part number listingSpare part Sequential part number listing Screws Sequential part number listing Illustrated parts catalog Sequential part number listing Tools required Preliminary replacement requirementsService considerations Cables and connectors Event 10% 40% 55% Grounding guidelinesTypical electrostatic voltage levels Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection level Component replacement procedures Service tag Battery Using the optional security screw Bottom door SIM For use in 4440s/4441s models Optical driveDescription Spare part number For use in 4540s models Page Hard drive Page Update Bios before adding memory modules Memory modulesPage Wwan module Page WLAN/Bluetooth combo card Page Keyboard Page Page Heat shield Bottom door see Bottom door on Keyboard see Keyboard onPage Fan Page Heat sink Page Page Processor Top cover For use in model 4440s/4441sPage Page Page Page Page Page Page Fingerprint reader board Speaker assembly Page Page Function board/Power button board assembly Page Audio board USB connector assembly Page Battery cable System board for use in 4440s/4441s models with System boardDescription Spare part number For use in 4540s models with Page Page RTC battery Description Spare part number RTC battery 683502-001Page Optical drive extension board 4540s models only Page Hard drive extension board 4540s models only Page Power cable Latch assembly Description Spare part number Latch Kit 684635-001Page Display assembly Page Page Page Page Page Page Page Navigating and selecting in Computer Setup Using Computer SetupStarting Computer Setup Restoring factory settings in Computer Setup Updating the Bios Downloading SoftPaqs to update the Bios Determining the Bios version Bios Setup Menu Downloading a Bios update Using Advanced System Diagnostics Select To do thisPage Computer specifications 39.6-cm 15.6-in, HD display specifications Random vibration 35.6-cm 14.0-in, HD display specifications Hard drive specifications DVD±RW and CD-RW SuperMulti DL Combo Drive specifications Blu-ray Disc ROM with SuperMulti DVD±R/RW DL Drive CD-DA, CD+EG, CD-MIDI, CDTEXT, CD-ROM, CD-ROM XA Specification information in Device Manager Backup and recovery Creating recovery media with HP Recovery Disc Creator Creating recovery media Select Start All Programs Maintenance Backup and Restore Backing up your information Performing a system recovery Using the Windows recovery tools Using f11 recovery tools Using a Windows 7 operating system DVD purchased separatelyPage Power cord set requirements Requirements for all countries and regions Requirements for specific countries and regions Country/region Accredited agency Applicable note number Requirements for specific countries and regions Battery RecyclingPage Page Page Page Page Index Page Hdmi