Lenovo T40 manual Cleaning your computer display, Care for the fingerprint reader

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Caring for your ThinkPad computer

2.Wipe each keytop surface with the cloth. Wipe the keys one by one; if you wipe several keys at a time, the cloth may hook onto an adjacent key and possibly damage it. Make sure that no liquid drips onto or between the keys.

3.Allow to dry.

4.To remove any crumbs and dust from beneath the keys, you can use a camera blower with a brush or cool air from a hair drier.

Note: Avoid spraying cleaner directly on the display or the keyboard.

Cleaning your computer display

1.Gently wipe the display with a dry, soft lint-free cloth. If you see a scratchlike mark on your display, it might be a stain transferred from the keyboard or the TrackPoint pointing stick when the cover was pressed from the outside.

2.Wipe or dust the stain gently with a soft, dry cloth.

3.If the stain remains, moisten a soft, lint-free cloth with water or a 50-50 mixture of isopropyl alcohol and water that does not contain impurities.

4.Wring out as much of the liquid as you can.

5.Wipe the display again; do not let any liquid drip into the computer.

6.Be sure to dry the display before closing it.

Care for the fingerprint reader

The following actions could damage the fingerprint reader or cause it not to work properly:

vScratching the surface of the reader with a hard, pointed object.

vScrapping the surface of the reader with your nail or anything hard.

vUsing or touching the reader with a dirty finger.

If you notice any of the following conditions, gently clean the surface of the reader with a dry, soft, lint-free cloth:

vThe surface of the reader is dirty or stained.

vThe surface of the reader is wet.

vThe reader often fails to enroll or authenticate your fingerprint.

Chapter 1. Overview of your new ThinkPad computer 9

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Contents ThinkPad T40 Series Service and Troubleshooting Guide Page ThinkPad T40 Series Service and Troubleshooting Guide Page Contents Iv ThinkPad T40 Series Service and Troubleshooting Guide Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters Plugs and outlets Extension cords and related devicesBatteries Heat and product ventilation Additional safety information CD and DVD drive safetyTo Connect Xii ThinkPad T40 Series Service and Troubleshooting Guide Important safety information Laser compliance statement Important safety information Xvi ThinkPad T40 Series Service and Troubleshooting Guide Important regulatory notice for users Important notice for usersInformation about hard disk capacity Xviii ThinkPad T40 Series Service and Troubleshooting Guide Xix Finding information with Access IBMXx ThinkPad T40 Series Service and Troubleshooting Guide Overview of your new ThinkPad computer Front view Rear view Your ThinkPad at a glanceFeatures Features Specifications Carry your computer properly Important tips Be careful about where and how you workCaring for your ThinkPad computer Be gentle with your computerHandle storage media and drives properly Take care in setting passwordsOther important tips Cleaning your computer keyboard Cleaning the cover of your computerCare for the fingerprint reader Cleaning your computer displayCaring for your ThinkPad computer Solving computer problems Click PC-Doctor Diagnosing problemsTroubleshooting Error messagesSolving computer problems Solving computer problems Solving computer problems Select Security -IBM Predesktop Area -Access IBM Predesktop Problem Errors without messagesSolution My screen goes blank while the computer is on Power switch problem Password problemKeyboard problems UltraNav problems Standby or hibernation problems Solving computer problems For Windows NT Solution For WindowsClick the Device Manager tab Clear the Auto insert notification check boxSelect Timer Wake with Battery Operation by pressing Enter For Windows XP or Windows Computer screen problemsClick Power Management Click the Enable hibernation buttonClick Advanced For Windows XP and WindowsBattery problems Startup problem Hard disk drive problemsSolving computer problems Fingerprint authentication problems Other problems Computer can not play a CD, or the sound quality is not good Playback of DVD is not smooth in Windows 98 and Windows Solution Problem Starting Bios Setup Utility For ThinkPad T41/41p Series computer Recovering pre-installed softwareFor other ThinkPad T40 Series computer Double-clickRecover to factory contentsHandling a hard disk drive Upgrading the hard disk driveUpgrading the hard disk drive Replacing the battery Replacing the battery Replacing the battery Getting help and service Getting help on the Web Calling the Customer Support Center Getting help and serviceFRU Getting help around the world Wireless interoperability Appendix A. Wireless related informationUsage environment and your health Authorized Operation Within the United States and Canada Enabling Extended Channel Mode ThinkPad T40 Series Service and Troubleshooting Guide Part 1 General Terms Appendix B. Warranty informationLenovo Statement of Limited Warranty What this Warranty CoversHow to Obtain Warranty Service What this Warranty Does not CoverWhat Lenovo Will Do to Correct Problems Your Additional Responsibilities Exchange of a Machine or PartGoverning Law Limitation of LiabilityPart 2 Country-unique Terms Uruguay MexicoParaguay PeruCAMBODIA, INDONESIA, and Laos United StatesAsia Pacific Australia Cambodia and LaosIndia PEOPLE’S Republic of China PRC JapanMalaysia NEW ZealandEUROPE, Middle EAST, Africa Emea SingaporeGoverning Law Arbitration The following is added under this heading Consumers European Union EUThinkPad T40 Series Service and Troubleshooting Guide Egypt Following Terms Apply to the Country Specified AustriaFrance Hungary GermanyIreland Slovakia Items for Which Lenovo is Not LiableUnited Kingdom Warranty Period Part 3 Warranty InformationTypes Customer Carry-In or Mail-In Service Customer Replaceable Unit ″CRU″ ServiceOn-site Service Courier or Depot ServiceCRU and Courier or Depot Service CRU and On-site ServiceCRU and Customer Carry-In or Mail-In Service Country or Region Telephone Number Country or Region Telephone Number Guarantee supplement for Mexico ThinkPad T40 Series Service and Troubleshooting Guide IBM Appendix C. Customer Replaceable Units CRUsThinkPad T40 Series Service and Troubleshooting Guide Appendix D. Notices Electronic emissions notices Television output noticeEuropean Union EMC Directive conformance statement Industry Canada Class B emission compliance statementHandling a disused ThinkPad battery pack Disposing of a disused lithium batteryEnvironmental notices for Japan IBM Lotus Software Offer Latin American Countries U. S. Or CanadaEuropean Countries Asia Pacific Countries TrademarksThinkPad T40 Series Service and Troubleshooting Guide Index ThinkPad T40 Series Service and Troubleshooting Guide Page Part Number 39T2332
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T40 specifications

The Lenovo ThinkPad T40 is a highly regarded laptop that has made a significant impact in the business and personal computing markets since its release in the early 2000s. Known for its durability, performance, and practicality, the T40 is a part of the ThinkPad series, which has a storied history of meeting the demands of professionals and everyday users alike.

One of the standout features of the T40 is its robust design. The laptop features a magnesium alloy casing that provides superior protection against everyday wear and tear. This durability is complemented by its spill-resistant keyboard, which is designed to protect the internal components from accidental liquid spills, a common concern for mobile users.

At the heart of the T40 is an Intel Pentium M processor, which was built to deliver excellent performance while being energy efficient. This was particularly advantageous for users who needed to work on the go, as it allowed for better battery life compared to traditional desktop CPUs. The T40 offers a variety of processor options, ranging from the 1.3 GHz to the 1.6 GHz Pentium M processor, each delivering a good balance of speed and efficiency.

The display is another key characteristic of the T40, featuring a 14.1-inch screen with options for both 1024x768 and higher resolutions. The LCD panel provides good color reproduction and clarity, making it suitable for both office tasks and multimedia consumption. Additionally, the T40 has a built-in trackpoint and a touchpad, offering users multiple input methods for flexibility in navigation.

For connectivity, the T40 is equipped with a range of ports, including USB 2.0, Ethernet, and a PC Card slot, allowing for easy connection to various peripherals and networks. It also supports Wi-Fi, providing users with the ability to connect to wireless networks seamlessly.

Storage options for the T40 include both traditional hard drives and, in some models, solid-state drives, which offer faster data access speeds and improved reliability. The laptop supports a maximum of 2GB of RAM, which, while modest by today’s standards, was sufficient for most business applications during its time.

In summary, the Lenovo ThinkPad T40 is a remarkable combination of durability, performance, and practicality. Its well-rounded features, from its reliable processors to its sturdy build quality, have solidified its place as a respected choice among portable laptops for professionals and casual users alike. Despite being an older model, its legacy continues to be appreciated for the standards it set in mobile computing.
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