Lenovo S230U, 33472YU manual Electronic emissions notices, Trademarks

Page 96

Electronic emissions notices

For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide.

Trademarks

The following terms are trademarks of Lenovo in the United States, other countries or both:

Active Protection System

Lenovo

ThinkPad

ThinkVantage

TrackPoint

Ultrabay

UltraNav

Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies:

Intel is a trademark of Intel Corporation in the United States and/or other countries.

Other company, product, or service names may be the trademarks or service marks of others.

90Hardware Maintenance Manual

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Contents Hardware Maintenance Manual ThinkPad S230uFirst Edition September Copyright Lenovo Contents Appendix A. Notices About this manual IiiIv Hardware Maintenance Manual Safety information General safetyElectrical safety Safety inspection guide Safety notices multilingual translations Grounding requirementsSafety 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 Important service information Before replacing partsStrategy for replacing FRUs Select Drivers & SoftwareHow to use error message Dynamic Configure To Order CTOImportant notice for replacing a system board Using PEW Click Warranty & Services Click Check Warranty StatusFRU identification for CTO, CMV, and GAV products Custom Model Variant CMVClick Parts & Accessories Click Product & Parts DetailGeneral checkout What to do firstLenovo Solution Center Following are not covered under warrantyCheckout guide Quick test programsUefi diagnostic program Bootable diagnostic programsTests Tools Power system checkout Checking the ac power adapterClick Lenovo Bootable Diagnostics Checking the battery pack Checking the backup batteryWire Voltage V dc Checking operational chargingHardware Maintenance Manual Related service information Restoring the factory contents by using Recovery Disc SetRefreshing the computer Passwords Power-on passwordHard-disk password Supervisor password How to remove the power-on passwordHow to remove the hard-disk password Select Power-On PasswordPower management Sleep modeHibernation mode Select Master HDPWireless off mode Symptom-to-FRU indexNumeric error codes Symptom or error FRU or action, in sequence 0189 0190 Charge the battery pack0191 Run the ThinkPad Setup program, and then save 0199 Run the ThinkPad Setup program, and then saveError messages No-beep symptomsBeep symptoms LCD-related symptoms Intermittent problemsUndetermined problems Reseat the LCD connectorsHardware Maintenance Manual Status indicators Indicator MeaningIndicator Meaning Special keys Special key DescriptionSpecial key Description Locating computer controls, connectors, and indicators LocationsFront view Rear view Bottom viewLocating FRUs and CRUs CRU statement for customers Description Self-service CRU Optional-service Major FRUs and CRUsCRU LCD FRUs Looking up FRU information Hinge Button boardHardware Maintenance Manual FRU replacement notices Screw 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 Hardware Maintenance Manual Removing or replacing a FRU General guidelinesDisabling the built-in battery Before servicing the computerRemoving the SIM card Hard disk drive or solid-state driveRemoving or replacing a FRU Keyboard Removal steps of keyboardStep Screw quantity Color Torque Removing or replacing a FRU PCI Express Mini Card for wireless LAN When installingRemoval 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 Keyboard bezel, backup battery, and speaker assembly Removal steps of keyboard bezelStep Screw cap Screw quantity Color Torque 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 sensorsRemoval 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 connectorSystem board and base cover assembly Removal steps of system board and base cover assemblyImportant notices for handling the system board Applying labels to the base cover Following illustration shows the location of each label Button bezel LCD panelRemoval steps of button bezel Button board Removal steps of LCD panelIntegrated camera Removal steps of button boardHinge Removal steps of integrated cameraRemoval steps of hinge When installing Removal steps of wireless antenna assembly Removing or replacing a FRU Hardware Maintenance Manual Appendix A. Notices Electronic emissions notices TrademarksPage 1P0B48943

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