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Lenovo 33472YU, S230U manual Status indicators, Indicator, Meaning

Models: 33472YU S230U

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Chapter 5. Status indicators

Chapter 5. Status indicators

This chapter presents the system status indicators that show the status of the computer.

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Table 7.			Status indicators
	Indicator			Meaning

	1		Caps Lock status	When the Caps Lock mode is enabled, this indicator will be displayed on the screen.
			indicator	You can enter all alphabetic characters (A-Z) in uppercase directly.

			Power status indicator	• Green: The ac power adapter is connected. If a battery is installed on the
	2		Power status indicator
				computer, it is charged when this indicator is on.
				• Off: The ac power adapter is not connected.

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Lenovo 33472YU, S230U manual Status indicators, Indicator, Meaning

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 guideDANGER Safety notices multilingual translationsGrounding requirements 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 informationVORSICHT 10 Hardware Maintenance ManualDANGER DANGER DANGER DANGER DANGER 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 3. Select Drivers & Software Chapter 2. Important service informationStrategy for replacing FRUs Before replacing partsDynamic Configure To Order CTO How to use error messageImportant notice for replacing a system board Strategy for replacing FRUs for CTO, CMV, and GAV Product definition2. Click Warranty & Services 3. Click Check Warranty Status FRU identification for CTO, CMV, and GAV productsUsing PEW Using eSupport4. Click Product & Parts Detail 2. Click Parts & AccessoriesWhat to do first Chapter 3. General checkoutThe following are not covered under warranty Lenovo Solution CenterCheckout guide Quick test programsBootable diagnostic programs UEFI diagnostic program2. Click Lenovo Bootable Diagnostics Power system checkoutChecking the ac power adapter Checking operational charging Checking the battery packChecking the backup battery 30 Hardware Maintenance Manual If the voltage is not correct, replace the backup batteryOperating System Recovery Disc one disc Chapter 4. Related service informationRestoring the factory contents by using Recovery Disc Set Service Web siteRestoring the computer to factory default settings Using the Windows recovery programs on the Windows 8 operating system2. Insert the Operating System Recovery Disc into the DVD drive Change PC settings GeneralChange PC settings General PasswordsPower-on password Hard-disk password6. Select Power-On Password Supervisor passwordHow to remove the power-on password How to remove the hard-disk password6. Select Master HDP Power managementSleep mode Hibernation modeNumeric error codes Wireless off modeSymptom-to-FRU index current setting by pressing F10 Symptom or errorCharge the battery pack Run the ThinkPad Setup program, and then saveSymptom or error beeps, if any Error messagesNo-beep symptoms Beep symptomsUndetermined problems LCD-related symptomsIntermittent problems 1. Turn off the computer Meaning Chapter 5. Status indicatorsIndicator Meaning IndicatorDescription Chapter 6. Special keysSpecial key Press this key to view the programs that you have opened Special keyDescription Front view Locating computer controls, connectors, and indicatorsChapter 7. Locations This topic introduces the following service parts Rear viewBottom view Locating FRUs and CRUsCRU statement for customers 48 Hardware Maintenance Manual Major FRUs and CRUsSelf-service CRU Optional-serviceDescription Self-service CRUOptional-service 50 Hardware Maintenance Manual LCD FRUsSelf-service CRU Optional-serviceDescription Looking up FRU informationSelf-service CRU Optional-service52 Hardware Maintenance Manual Logic card to plastic Chapter 8. FRU replacement noticesScrew notices Plastic 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 56 Hardware Maintenance Manual DANGER Chapter 9. Removing or replacing a FRUGeneral guidelines 1010 Hard disk drive or solid-state drive Disabling the built-in batteryBefore servicing the computer Removing the SIM cardChapter 9. Removing or replacing a FRU Removal steps of hard disk drive or solid-state drive bracketStep 1020 Keyboard60 Hardware Maintenance Manual Removal steps of keyboardChapter 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 Screw quantity Removal steps of PCI Express Mini Card for wireless WAN64 Hardware Maintenance Manual StepChapter 9. Removing or replacing a FRU Removal steps of mSATA solid-state driveScrew quantity 1050 Keyboard bezel, backup battery, and speaker assemblyRemoval steps of keyboard bezel StepColor When installingStep Screw quantityRotate the LCD unit in the direction shown by the arrow 68 Hardware Maintenance ManualStep 1060 Battery packRemoval step of backup battery DANGER Removal steps of speaker assemblyStep 1070 Proximity sensorsRemoval steps of battery pack DANGER Important notices for replacing a battery packColor Removal steps of proximity sensorsStep Screw quantity72 Hardware Maintenance Manual Removal steps of thermal fan assemblyRemoval steps of hard disk drive or solid-state drive connector 1090 LCD unitScrew quantity 74 Hardware Maintenance ManualRemoval steps of LCD unit StepWhen installing Color 76 Hardware Maintenance ManualStep Screw quantityChapter 9. Removing or replacing a FRU 1100 DC-in connectorRemoval steps of DC-in connector 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 Removal steps of button bezel 2010 Button bezel2020 LCD panel Step 2030 Button board82 Hardware Maintenance Manual Removal steps of LCD panelScrew quantity 2040 Integrated cameraRemoval steps of button board StepRemoval steps of hinge 2050 HingeRemoval steps of integrated camera 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 antennasMorrisville, NC U.S.A Attention Lenovo Director of Licensing Appendix A. NoticesLenovo United States, Inc 1009 Think Place - Building One Trademarks Electronic emissions noticesPage Part Number 0B48943 Printed in 1P P/N 0B48943 1P0B48943