Lenovo T430U manual System board LCD assembly

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a.System board

b.LCD assembly

Chapter 4. Related service information 39

Image 45

Contents ThinkPad T430u Hardware Maintenance ManualFirst Edition August Copyright Lenovo Contents Appendix A. Notices About this manual ThinkPad T430uIii 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 Following are not covered under warranty General checkoutWhat to do first Lenovo Solution Center Checkout guideQuick test programs 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 informationPasswords Power-on passwordHard-disk 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 mode Numeric 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 Locating computer controls, connectors, and indicators LocationsFront view Rear view Bottom viewLocating FRUs and CRUs 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 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 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 LANRemoval 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