Lenovo T430U manual Backup battery

Page 77

Remove the screw

1

that secures the mSATA solid-state drive.

1

Step	Screw (quantity)	Color	Torque
1	M2 × 3.0 mm, wafer-head, nylon-coated (1)	Black	0.181 Nm
			(1.85 kgf-cm)

2

1080 Backup battery

For access, remove these FRUs in order:

•“1010 Bottom cover” on page 58

•“1020 Battery pack” on page 60

•“1040 Keyboard” on page 63

Removal steps of backup battery

DANGER

Use only the authorized battery specified for your computer. Any other battery could ignite or explode.

Chapter 9. Removing or replacing a FRU 71

Image 77

Contents ThinkPad T430u Hardware Maintenance ManualFirst Edition August Copyright Lenovo Contents Appendix A. Notices Iii About this manualThinkPad T430u Iv Hardware Maintenance Manual General safety Safety informationElectrical safety Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety 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 Before replacing parts Important service informationStrategy for replacing FRUs Select Drivers & SoftwareDynamic Configure To Order CTO How to use error messageStrategy for replacing a hard disk drive Important notice for replacing a system boardClick Warranty Click Check Warranty Status Using PEWFRU identification for CTO, CMV, and GAV products Custom Model Variant CMVHardware Maintenance Manual What to do first Following are not covered under warrantyGeneral checkout Quick test programs Lenovo Solution CenterCheckout guide Bootable diagnostic programs Uefi diagnostic programClick Lenovo Bootable Diagnostics Tests ToolsChecking the ac power adapter Power system checkoutChecking the backup battery Checking the battery packWire Voltage V dc Checking operational chargingHardware Maintenance Manual Restoring the factory contents by using Recovery Disc Set Related service informationHard-disk password PasswordsPower-on password How to remove the power-on password Supervisor passwordHow to remove the hard-disk password Select Power-On PasswordScreen blank mode Power managementSleep mode Select Master HDPSymptom-to-FRU index Hibernation modeNumeric error codes No-beep symptoms Error messagesBeep symptoms LCD-related symptomsUndetermined problems Intermittent problemsReseat the LCD connectors See important note for LCD-related symptomsSystem board LCD assembly Hardware Maintenance Manual Indicator Meaning Status indicatorsHibernation, or normal mode Key combinations Description Function key combinationsHardware Maintenance Manual Front view Locating computer controls, connectors, and indicatorsLocations Locating FRUs and CRUs Rear viewBottom view CRU statement for customers Major FRUs and CRUs CRU Description Self-service CRU Optional-serviceLCD FRUs and CRUs Antenna kit LCD cable Looking up FRU informationHardware Maintenance Manual Screw notices FRU replacement 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 General guidelines Removing or replacing a FRUBefore servicing the computer Disabling the battery pack in the Uefi BiosRemoving the SIM card Bottom coverRemoving or replacing a FRU Important notices for replacing a battery pack Battery packStep Screw quantity Color Torque Hard disk drive or solid-state drive assemblyStep Screw quantity Color Torque Removal steps of keyboard KeyboardStep Screw quantity Color Torque When installing Removal steps of memory module Memory moduleRemoval steps of PCI Express Mini Card for wireless LAN PCI Express Mini Card for wireless LAN Removal steps of PCI Express Mini Card for wireless WAN Removal steps of PCI Express Half Mini Card for wireless WAN Removal steps of mSATA solid-state drive Backup battery Removal steps of keyboard bezel Keyboard bezelStep Screw quantity Color Torque Hardware Maintenance Manual Removal steps of speaker assembly Speaker assemblyRemoval steps of media card reader Media card readerRemoval steps of fingerprint reader Fingerprint readerRemoval steps of power button sub card Power button sub cardHard disk drive or solid-state drive cable System board assembly and thermal fan assemblyRemoval steps of hard disk drive or solid-state drive cable Important notices for handling the system boardRemoval steps of thermal fan assembly When installing Removal steps of system board DC-in sub card and base cover assemblyRemoval steps of DC-in sub card Applying labels to the base cover assemblyLCD unit Removal steps of LCD unit M2.5 × 6.5 mm, wafer-head, nylon-coated Black 392 Nm Kgf-cm LCD panel LCD bezelRemoval steps of LCD bezel Removal steps of LCD panelRemoval steps of integrated camera and microphone combo card Integrated camera and microphone combo cardRemoval steps of hinges HingesWireless antenna cables and LCD rear cover assembly Removing or replacing a FRU Hardware Maintenance Manual Appendix A. Notices Trademarks Electronic emissions notices1P0B48901