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Lenovo 33472YU, S230U manual Safety information

Models: 33472YU S230U

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Chapter 1. Safety information 15

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Lenovo 33472YU, S230U manual Safety information

Contents

Hardware Maintenance Manual ThinkPad S230uFirst Edition September Copyright Lenovo Contents Appendix A. Notices ThinkPad S230u Machine Type About this manualiv Hardware Maintenance Manual General safety Chapter 1. Safety informationElectrical safety Handling devices that are sensitive to electrostatic discharge Safety inspection guideSafety notices multilingual translations Grounding requirementsDANGER DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety informationDANGER 6 Hardware Maintenance ManualChapter 1. Safety information PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardware Maintenance ManualPERIGO PERIGO DANGER DANGER DANGER Chapter 1. Safety information10 Hardware Maintenance Manual DANGER DANGER DANGER DANGER DANGERVORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety informationVORSICHT VORSICHT VORSICHT 12 Hardware Maintenance ManualChapter 1. Safety information 14 Hardware Maintenance Manual Chapter 1. Safety information 16 Hardware Maintenance Manual Chapter 1. Safety information 18 Hardware Maintenance Manual Chapter 1. Safety information 20 Hardware Maintenance Manual Strategy for replacing FRUs Chapter 2. Important service informationBefore replacing parts 3. Select Drivers & SoftwareImportant notice for replacing a system board How to use error messageStrategy for replacing FRUs for CTO, CMV, and GAV Product definition Dynamic Configure To Order CTOUsing PEW FRU identification for CTO, CMV, and GAV productsUsing eSupport 2. Click Warranty & Services 3. Click Check Warranty Status4. Click Product & Parts Detail 2. Click Parts & AccessoriesWhat to do first Chapter 3. General checkoutCheckout guide Lenovo Solution CenterQuick test programs The following are not covered under warrantyBootable diagnostic programs UEFI diagnostic programPower system checkout Checking the ac power adapter2. Click Lenovo Bootable Diagnostics Checking the battery pack Checking the backup batteryChecking operational charging 30 Hardware Maintenance Manual If the voltage is not correct, replace the backup batteryRestoring the factory contents by using Recovery Disc Set Chapter 4. Related service informationService Web site Operating System Recovery Disc one disc2. Insert the Operating System Recovery Disc into the DVD drive Using the Windows recovery programs on the Windows 8 operating systemChange PC settings General Restoring the computer to factory default settingsPower-on password PasswordsHard-disk password Change PC settings GeneralHow to remove the power-on password Supervisor passwordHow to remove the hard-disk password 6. Select Power-On PasswordSleep mode Power managementHibernation mode 6. Select Master HDPWireless off mode Symptom-to-FRU indexNumeric error codes Charge the battery pack Symptom or errorRun the ThinkPad Setup program, and then save current setting by pressing F10No-beep symptoms Error messagesBeep symptoms Symptom or error beeps, if anyLCD-related symptoms Intermittent problemsUndetermined problems 1. Turn off the computer Chapter 5. Status indicators IndicatorMeaning Meaning IndicatorChapter 6. Special keys Special keyDescription Special key DescriptionPress this key to view the programs that you have opened Locating computer controls, connectors, and indicators Chapter 7. LocationsFront view Bottom view Rear viewLocating FRUs and CRUs This topic introduces the following service partsCRU statement for customers Self-service CRU Major FRUs and CRUsOptional-service 48 Hardware Maintenance ManualSelf-service CRU Optional-serviceDescription Self-service CRU LCD FRUsOptional-service 50 Hardware Maintenance ManualSelf-service CRU Looking up FRU informationOptional-service Description52 Hardware Maintenance Manual Screw notices Chapter 8. FRU replacement noticesPlastic to plastic Logic card to plasticRetaining serial numbers Restoring the serial number of the system unitMTM on rear label Retaining the UUID Reading or writing the ECA informationProduct ID on rear label 56 Hardware Maintenance Manual Chapter 9. Removing or replacing a FRU General guidelinesDANGER Before servicing the computer Disabling the built-in batteryRemoving the SIM card 1010 Hard disk drive or solid-state driveChapter 9. Removing or replacing a FRU Removal steps of hard disk drive or solid-state drive bracket60 Hardware Maintenance Manual 1020 KeyboardRemoval steps of keyboard StepChapter 9. Removing or replacing a FRU When installing 1030 PCI Express Mini Card for wireless LANRemoval steps of PCI Express Mini Card for wireless LAN 64 Hardware Maintenance Manual Removal steps of PCI Express Mini Card for wireless WANStep Screw quantityChapter 9. Removing or replacing a FRU Removal steps of mSATA solid-state driveRemoval steps of keyboard bezel 1050 Keyboard bezel, backup battery, and speaker assemblyStep Screw quantityStep When installingScrew quantity ColorRotate the LCD unit in the direction shown by the arrow 68 Hardware Maintenance ManualRemoval step of backup battery DANGER 1060 Battery packRemoval steps of speaker assembly StepRemoval steps of battery pack DANGER 1070 Proximity sensorsImportant notices for replacing a battery pack StepStep Removal steps of proximity sensorsScrew quantity Color72 Hardware Maintenance Manual Removal steps of thermal fan assemblyRemoval steps of hard disk drive or solid-state drive connector 1090 LCD unitRemoval steps of LCD unit 74 Hardware Maintenance ManualStep Screw quantityWhen installing Step 76 Hardware Maintenance ManualScrew quantity Color1100 DC-in connector Removal steps of DC-in connectorChapter 9. Removing or replacing a FRU Removal steps of system board and base cover assembly 1110 System board and base cover assemblyApplying labels to the base cover The following illustration shows the location of each label 2010 Button bezel 2020 LCD panelRemoval steps of button bezel 82 Hardware Maintenance Manual 2030 Button boardRemoval steps of LCD panel StepRemoval steps of button board 2040 Integrated cameraStep Screw quantity2050 Hinge Removal steps of integrated cameraRemoval steps of hinge When you pull the cables through the hole in the hinge, rout the cables as shown in the following illustration When installing86 Hardware Maintenance Manual Removal steps of wireless antenna assemblyChapter 9. Removing or replacing a FRU 88 Hardware Maintenance Manual Note Some models might not have the wireless WAN antennasAppendix A. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Electronic emissions noticesPage Part Number 0B48943 Printed in 1P P/N 0B48943 1P0B48943