Lenovo T430U manual Power system checkout, Checking the ac power adapter

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To use the diagnostic medium you have created, do one of the following:

•If you have created the bootable diagnostic medium on a USB device, do the following:

1.Attach the USB device to the computer.

2.Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 28, and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on page 35 for error code descriptions and troubleshooting hints.

3.When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key.

4.Use the arrow keys to select USB HDD and then press Enter. The diagnostic program will be launched automatically.

5.Follow the instructions on the screen to use the diagnostic program.

•If you have created the bootable diagnostic medium on a CD, do the following:

1.Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 28, and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on page 35 for error code descriptions and troubleshooting hints.

2.Insert the CD into an external optical drive.

3.Restart the computer.

4.When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key.

5.Use the arrow keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter. The diagnostic program will be launched automatically.

6.Follow the instructions on the screen to use the diagnostic program.

Power system checkout

To verify a symptom, do the following:

1.Connect the ac power adapter and turn on the computer.

2.Check that power is supplied when you turn on the computer.

3.Turn off the computer and disconnect the ac power adapter.

4.Check that the battery pack supplies power when you turn on the computer.

If you suspect a power problem, see the appropriate one of the following power supply checkouts:

•“Checking the ac power adapter” on page 28

•“Checking operational charging” on page 29

•“Checking the battery pack” on page 29

•“Checking the backup battery” on page 29

Checking the ac power adapter

You are here because the computer fails only when the ac power adapter is used.

•If the power-on indicator does not turn on, check the power cord of the ac power adapter for correct continuity and installation.

•If the computer does not charge during operation, go to “Checking operational charging” on page 29

To check the ac power adapter, do the following:

1.Unplug the ac power adapter cable from the computer.

2.Measure the output voltage at the plug of the ac power adapter cable. See the following figure:

28Hardware Maintenance Manual

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Contents Hardware Maintenance Manual ThinkPad T430uFirst Edition August Copyright Lenovo Contents Appendix A. Notices ThinkPad T430u About this manualIii Iv 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 Strategy for replacing FRUs Important service informationBefore replacing parts Select Drivers & SoftwareStrategy for replacing a hard disk drive How to use error messageDynamic Configure To Order CTO Important notice for replacing a system boardFRU identification for CTO, CMV, and GAV products Using PEWClick Warranty Click Check Warranty Status Custom Model Variant CMVHardware Maintenance Manual General checkout Following are not covered under warrantyWhat to do first Checkout guide Lenovo Solution CenterQuick test programs Click Lenovo Bootable Diagnostics Uefi diagnostic programBootable diagnostic programs Tests ToolsPower system checkout Checking the ac power adapterWire Voltage V dc Checking the battery packChecking the backup battery Checking operational chargingHardware Maintenance Manual Related service information Restoring the factory contents by using Recovery Disc SetPower-on password PasswordsHard-disk password How to remove the hard-disk password Supervisor passwordHow to remove the power-on password Select Power-On PasswordSleep mode Power managementScreen blank mode Select Master HDPHibernation mode Symptom-to-FRU indexNumeric error codes Beep symptoms Error messagesNo-beep symptoms LCD-related symptomsReseat the LCD connectors Intermittent problemsUndetermined problems See important note for LCD-related symptomsSystem board LCD assembly Hardware Maintenance Manual Status indicators Indicator MeaningHibernation, or normal mode Function key combinations Key combinations DescriptionHardware Maintenance Manual Locations Locating computer controls, connectors, and indicatorsFront view Bottom view Rear viewLocating FRUs and CRUs CRU statement for customers Major FRUs and CRUs Description Self-service CRU Optional-service CRULCD FRUs and CRUs Looking up FRU information Antenna kit LCD cableHardware Maintenance Manual Plastic to plastic FRU replacement noticesScrew notices 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 guidelinesRemoving the SIM card Disabling the battery pack in the Uefi BiosBefore servicing the computer Bottom coverRemoving or replacing a FRU Battery pack Important notices for replacing a battery packHard disk drive or solid-state drive assembly Step Screw quantity Color TorqueStep Screw quantity Color Torque Keyboard Removal steps of keyboardStep Screw quantity Color Torque When installing Memory module Removal steps of memory modulePCI Express Mini Card for wireless LAN Removal steps of 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 Keyboard bezel Removal steps of keyboard bezelStep Screw quantity Color Torque Hardware Maintenance Manual Speaker assembly Removal steps of speaker assemblyMedia card reader Removal steps of media card readerFingerprint reader Removal steps of fingerprint readerPower button sub card Removal steps of power button sub cardRemoval steps of hard disk drive or solid-state drive cable System board assembly and thermal fan assemblyHard disk drive or solid-state drive cable Important notices for handling the system boardRemoval steps of thermal fan assembly When installing DC-in sub card and base cover assembly Removal steps of system boardApplying labels to the base cover assembly Removal steps of DC-in sub cardLCD unit Removal steps of LCD unit M2.5 × 6.5 mm, wafer-head, nylon-coated Black 392 Nm Kgf-cm Removal steps of LCD bezel LCD bezelLCD panel Removal steps of LCD panelIntegrated camera and microphone combo card Removal steps of integrated camera and microphone combo cardHinges Removal steps of hingesWireless antenna cables and LCD rear cover assembly Removing or replacing a FRU Hardware Maintenance Manual Appendix A. Notices Electronic emissions notices Trademarks1P0B48901

T430U specifications

The Lenovo T430U is a notable entry in Lenovo's ThinkPad series, designed to offer a blend of power, portability, and professional features suitable for business users and professionals on the go. This ultrabook stands out with its combination of performance, durability, and lightweight design.

One of the key features of the T430U is its high-definition display. The 14-inch screen offers a resolution of 1366 x 768 pixels, providing bright and clear visuals that enhance productivity. The anti-glare technology minimizes reflections, making it easier to work in various lighting conditions. The keyboard is another highlight, as it retains the signature ThinkPad style with customizable keys, a responsive feel, and an ergonomic design that ensures comfort during prolonged typing sessions.

Under the hood, the T430U is powered by Intel's third-generation Core processors, which deliver impressive performance while maintaining energy efficiency. The ultrabook can be configured with up to 8GB of RAM and offers solid-state drive (SSD) options for faster data access and boot times. This combination makes the T430U capable of handling multitasking with ease, whether it's running multiple applications or managing large datasets.

The T430U features advanced connectivity options, including USB 3.0 ports, an HDMI output, and Ethernet capabilities, ensuring compatibility with a wide range of peripherals and networks. Additionally, it incorporates Intel's Wi-Fi technology, providing reliable wireless connectivity for users working in diverse environments.

Security is a priority for Lenovo, and the T430U is equipped with features like a fingerprint reader and an integrated Trusted Platform Module (TPM) for enhanced data protection. These security measures make it a popular choice for businesses looking to safeguard sensitive information.

Battery life is another crucial aspect of the T430U, boasting an impressive runtime that allows users to work longer without frequent recharging. With its lightweight design, durable construction, and robust build quality, the T430U stands as a reliable partner for professionals who need to stay productive while on the move.

Overall, the Lenovo T430U exemplifies a perfect balance between performance, durability, and usability, making it a smart choice for anyone in need of a high-quality ultrabook that can keep up with the demands of modern work environments. Its combination of business-focused features, portability, and security empowers users to achieve their goals efficiently.
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