First Edition September Copyright Lenovo | Lenovo S230U, 33472YU

Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 89.

First Edition (September 2012)

© Copyright Lenovo 2012.

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

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Lenovo S230U, 33472YU manual First Edition September Copyright Lenovo

Contents

Hardware Maintenance Manual ThinkPad S230u First Edition September Copyright Lenovo Contents Appendix A. Notices About this manual Iii Iv Hardware Maintenance Manual Safety information General safety Electrical safety Safety inspection guide Safety notices multilingual translations Grounding requirements Safety information Hardware Maintenance Manual Safety information Perigo Perigo Vorsicht Vorsicht Vorsicht Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Strategy for replacing FRUs Important service informationBefore replacing parts Select Drivers & Software Important notice for replacing a system board How to use error messageDynamic Configure To Order CTO FRU identification for CTO, CMV, and GAV products Using PEWClick Warranty & Services Click Check Warranty Status Custom Model Variant CMV Click Parts & Accessories Click Product & Parts Detail General checkout What to do first Checkout guide Lenovo Solution CenterFollowing are not covered under warranty Quick test programs Tests Tools Uefi diagnostic programBootable diagnostic programs Click Lenovo Bootable Diagnostics Power system checkoutChecking the ac power adapter Wire Voltage V dc Checking the battery packChecking the backup battery Checking operational charging Hardware Maintenance Manual Related service information Restoring the factory contents by using Recovery Disc Set Refreshing the computer Hard-disk password PasswordsPower-on password How to remove the hard-disk password Supervisor passwordHow to remove the power-on password Select Power-On Password Hibernation mode Power managementSleep mode Select Master HDP Numeric error codes Wireless off modeSymptom-to-FRU index 0191 Run the ThinkPad Setup program, and then save Symptom or error FRU or action, in sequence 01890190 Charge the battery pack 0199 Run the ThinkPad Setup program, and then save Beep symptoms Error messagesNo-beep symptoms Undetermined problems LCD-related symptomsIntermittent problems Reseat the LCD connectors Hardware Maintenance Manual Status indicators Indicator Meaning Indicator Meaning Special keys Special key Description Special key Description Front view Locating computer controls, connectors, and indicatorsLocations Locating FRUs and CRUs Rear viewBottom view CRU statement for customers Description Self-service CRU Optional-service Major FRUs and CRUs CRU LCD FRUs Looking up FRU information Hinge Button board Hardware Maintenance Manual Plastic to plastic FRU replacement noticesScrew notices Logic card to plastic MTM on rear label Retaining serial numbersRestoring the serial number of the system unit Product ID on rear label Retaining the UuidReading or writing the ECA information Hardware Maintenance Manual Removing or replacing a FRU General guidelines Removing the SIM card Disabling the built-in batteryBefore servicing the computer Hard disk drive or solid-state drive Removing or replacing a FRU Step Screw quantity Color Torque KeyboardRemoval steps of keyboard Removing or replacing a FRU PCI Express Mini Card for wireless LAN When installing Removal steps of PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless WAN Removal steps of mSATA solid-state drive Step Screw cap Screw quantity Color Torque Keyboard bezel, backup battery, and speaker assemblyRemoval steps of keyboard bezel M2 × 3 mm, wafer-head, nylon-coated Silver 181 Nm Kgf-cm Hardware Maintenance Manual Battery pack Important notices for replacing a battery pack Proximity sensors Removal steps of proximity sensors Removal steps of thermal fan assembly LCD unit Removal steps of LCD unit When installing M2.5 × 3 mm, wafer-head, nylon-coated Silver 181 Nm Kgf-cm DC-in connector Removal steps of DC-in connector Important notices for handling the system board System board and base cover assemblyRemoval steps of system board and base cover assembly Applying labels to the base cover Following illustration shows the location of each label Removal steps of button bezel Button bezelLCD panel Button board Removal steps of LCD panel Integrated camera Removal steps of button board Removal steps of hinge HingeRemoval steps of integrated camera When installing Removal steps of wireless antenna assembly Removing or replacing a FRU Hardware Maintenance Manual Appendix A. Notices Electronic emissions notices TrademarksPage 1P0B48943