Lenovo S230U Before servicing the computer, Disabling the built-in battery, Removing the SIM card

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Before servicing the computer

Carefully read this topic before servicing the computer.

Disabling the built-in battery

Before replacing any FRU, ensure that you have disabled the built-in battery by doing the following:

1.Turn off your computer and disconnect the ac power adapter and all cables from the computer.

2.Turn on your computer. Press F1 to enter ThinkPad Setup when the ThinkPad logo is displayed.

3.Select Config ➙ Power. The Power submenu is displayed.

4.Select Disable built-in battery.

5.Click Yes in the Setup Warning window. Then the computer will be turned off automatically. Wait three to five minutes to let the computer cool.

Removing the SIM card

If the computer you are servicing has the SIM card installed, remove it before servicing.

To remove the SIM card, disable the built-in battery first. See “Disabling the built-in battery” on page 58.

1

2

After you finish the servicing, ensure that you insert the card back into the slot firmly.

1010 Hard disk drive or solid-state drive

Attention:

•Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.

•Before removing the drive, have the user make a backup copy of all the information on it if possible.

•Never remove the drive while the computer is operating or in suspend mode.

Removal steps of hard disk drive or solid-state drive

Loosen the screw 1 , and then remove the hard disk drive or solid-state drive slot cover

2.

58Hardware 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 & SoftwareDynamic Configure To Order CTO How to use error messageImportant 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 programsBootable diagnostic programs Uefi diagnostic programTests Tools Checking the ac power adapter Power system checkoutClick 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 Power-on password PasswordsHard-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 HDPSymptom-to-FRU index Wireless off modeNumeric 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 saveNo-beep symptoms Error messagesBeep 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 Locations Locating computer controls, connectors, and indicatorsFront view Bottom view Rear 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 plasticRestoring the serial number of the system unit Retaining serial numbersMTM on rear label Reading or writing the ECA information Retaining the UuidProduct 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 Removal steps of keyboard 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 Removal steps of keyboard bezel Keyboard bezel, backup battery, and speaker assemblyStep 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 connectorRemoval steps of system board and base cover assembly 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 LCD panel Button bezelRemoval steps of button bezel Button board Removal steps of LCD panelIntegrated camera Removal steps of button boardRemoval steps of integrated camera HingeRemoval 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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