Lenovo S230U, 33472YU manual PCI Express Mini Card for wireless LAN, When installing

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When installing:

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1.Attach the connectors firmly.

2.Attach the keyboard and ensure that the hooks on the front edge of the keyboard are under the frame.

3.When the front edge of the keyboard is housed firmly, gently press the keys with your palms and slightly slide the keyboard toward you until the keyboard is in place.

4.Secure the keyboard by tightening the screws from the bottom side of the computer.

1030 PCI Express Mini Card for wireless LAN

For access, remove this FRU:

62Hardware 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 & SoftwareImportant notice for replacing a system board How to use error messageDynamic Configure To Order CTO 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 programsTests Tools Uefi diagnostic programBootable diagnostic programs Click Lenovo Bootable Diagnostics Power system checkoutChecking the ac power adapter 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 Hard-disk password PasswordsPower-on 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 HDPNumeric error codes Wireless off modeSymptom-to-FRU index 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 saveBeep symptoms Error messagesNo-beep 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 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 CRUsCRU LCD FRUs Looking up FRU information Hinge Button boardHardware Maintenance Manual FRU replacement notices Screw noticesPlastic to plastic Logic card to plasticMTM 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 guidelinesDisabling the built-in battery Before servicing the computerRemoving the SIM card Hard disk drive or solid-state driveRemoving 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 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 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 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 connectorImportant 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 panelIntegrated camera Removal steps of button boardRemoval 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

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