HP CQ57-410US, CQ57-439WM, CQ57-489CA manual Typical electrostatic voltage levels, Event 10% 40% 55%

Page 43

CAUTION: A product can be degraded by as little as 700 V.

Typical electrostatic voltage levels

 

 

Relative humidity

 

 

 

 

 

Event

10%

40%

55%

 

 

 

 

Walking across carpet

35,000 V

15,000 V

7,500 V

 

 

 

 

Walking across vinyl floor

12,000 V

5,000 V

3,000 V

 

 

 

 

Motions of bench worker

6,000 V

800 V

400 V

 

 

 

 

Removing DIPS from plastic tube

2,000 V

700 V

400 V

 

 

 

 

Removing DIPS from vinyl tray

11,500 V

4,000 V

2,000 V

 

 

 

 

Removing DIPS from Styrofoam

14,500 V

5,000 V

3,500 V

 

 

 

 

Removing bubble pack from PCB

26,500 V

20,000 V

7,000 V

 

 

 

 

Packing PCBs in foam-lined box

21,000 V

11,000 V

5,000 V

 

 

 

 

Preliminary replacement requirements 35

Image 43
Contents Compaq Presario CQ57 Notebook PC Copyright 2011 Hewlett-Packard Development Company, L.P Safety warning notice Iv Safety warning notice Table of contents Setup Utility Bios and System Diagnostics 101 Viii Processor Intel processor Product Name Product descriptionCategory Description Computer models Equipped with anNorthbridge Equipped with an AMDProcessor Intel processor ChipsetMemory PanelHard drives Ethernet WirelessOptical drive select Audio and videoDevices External media cardPorts Keyboard/pointingSecurity Operating system PreinstalledServiceability End-user replaceable parts Support for the following batteriesHP MediaSmart HP MediaSmart Webcam External component identificationDisplay Component DescriptionButton Control Panel System and Security PowerFn key KeysLights TouchPad Environmental Notices Left sideRight side Bottom Illustrated parts catalog Service tagIllustrated parts catalog Component Computer major componentsComponent Spare part number Power button board includes cablePlastics Kit, includes Power connector cableIllustrated parts catalog Wlan module BatteryCable Kit Display assembly subcomponents Hard Drive Hardware Kit , includes Mass storage devicesComponent Spare part number HP Smart AC adapter Miscellaneous partsScrew Kit Plastics Kit Spare part number Description Sequential part number listingWireless antenna transceivers and cables Keyboard cable Illustrated parts catalog Computer models in the United States Illustrated parts catalog Tools required Removal and replacement proceduresPreliminary replacement requirements Service considerationsDrive handling Grounding guidelinesEvent 10% 40% 55% Typical electrostatic voltage levelsPackaging and transporting guidelines Material Use Voltage protection level Equipment guidelinesService tag Component replacement proceduresComputer feet Description Spare part number BatteryOptical drive select models only Page Wlan module Page Memory module Hard drive Page Page Keyboard Page Page Top cover Page Page Page Power button board TouchPad button board Page USB board Power connector cable Page Speakers Optical drive connector cable Display assembly Page Page Page Page Page Page System board Page Page RTC battery Page Fan/heat sink assembly Page Removal and replacement procedures Page Page Page Processor Page Changing the language of Setup Utility Setup Utility Bios and System DiagnosticsUsing Setup Utility Starting Setup UtilityDisplaying system information Navigating and selecting in Setup UtilityExiting Setup Utility Restoring factory settings in Setup UtilityUpdating the Bios Determining the Bios version Using System Diagnostics Computer specifications SpecificationsInch display specifications Hard drive specifications Restore Backup and recoveryPage Select Start All Programs Recovery Manager Recovery Manager Performing a system restoreChanging the computer boot order Restoring using the restore mediaBacking up and recovering your information Using Windows system restore points Using Windows Backup and RestoreCreate a system restore point Requirements for all countries Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries and regionsRecycling BatteryPage Page Page Page Page Index Hdmi
Related manuals
Manual 8 pages 26.72 Kb Manual 74 pages 61.04 Kb Manual 54 pages 32.2 Kb