Lenovo T40 manual General safety guidelines, Service

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Or, they might indicate a potential safety issue. However, do not take risks or attempt to diagnose the situation yourself.

Frequently inspect your computer and its components for damage or wear or signs of danger. If you have any question about the condition of a component, do not use the product. Contact the Customer Support Center or the product manufacturer for instructions on how to inspect the product and have it repaired, if necessary. For a list of Service and Support phone numbers, see “Worldwide telephone list” on page 72.

In the unlikely event that you notice any of the conditions listed below, or if you have any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you can speak to the Customer Support Center for further guidance.

vPower cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken or damaged.

vSigns of overheating, smoke, sparks or fire.

vDamage to a battery (such as cracks, dents, creases), discharge from a battery, or a buildup of foreign substances on the battery.

vA cracking, hissing or popping sound, or strong odor that comes from the product.

vSigns that liquid has been spilled or an object has fallen onto the computer product, the power cord or power adapter.

vThe computer product, the power cord or power adapter has been exposed to water.

vThe product has been dropped or damaged in any way.

vThe product does not operate normally when you follow the operating instructions.

Note: If you notice these conditions with a product (such as an extension cord) that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement.

General safety guidelines

Always observe the following precautions to reduce the risk of injury and property damage.

Service

Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center. Use only a service provider who is approved to repair your particular product.

viThinkPad® T40 Series Service and Troubleshooting Guide

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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 Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Batteries Extension cords and related devicesPlugs and outlets Heat and product ventilation CD and DVD drive safety Additional safety informationTo 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 Information about hard disk capacity Important notice for usersImportant regulatory notice for users Xviii ThinkPad T40 Series Service and Troubleshooting Guide Finding information with Access IBM XixXx ThinkPad T40 Series Service and Troubleshooting Guide Overview of your new ThinkPad computer Your ThinkPad at a glance Front view Rear viewFeatures Features Specifications Important tips Be careful about where and how you work Caring for your ThinkPad computerBe gentle with your computer Carry your computer properlyOther important tips Take care in setting passwordsHandle storage media and drives properly Cleaning the cover of your computer Cleaning your computer keyboardCleaning your computer display Care for the fingerprint readerCaring for your ThinkPad computer Solving computer problems Diagnosing problems TroubleshootingError messages Click PC-DoctorSolving computer problems Solving computer problems Solving computer problems Select Security -IBM Predesktop Area -Access IBM Predesktop Solution Errors without messagesProblem My screen goes blank while the computer is on Keyboard problems Password problemPower switch problem UltraNav problems Standby or hibernation problems Solving computer problems Solution For Windows Click the Device Manager tabClear the Auto insert notification check box For Windows NTSelect Timer Wake with Battery Operation by pressing Enter Computer screen problems Click Power ManagementClick the Enable hibernation button For Windows XP or WindowsFor Windows XP and Windows Click AdvancedBattery problems Hard disk drive problems Startup problemSolving 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 Recovering pre-installed software For ThinkPad T41/41p Series computerDouble-clickRecover to factory contents For other ThinkPad T40 Series computerUpgrading the hard disk drive Handling a hard disk driveUpgrading the hard disk drive Replacing the battery Replacing the battery Replacing the battery Getting help and service Getting help and service Getting help on the Web Calling the Customer Support CenterFRU Getting help around the world Usage environment and your health Appendix A. Wireless related informationWireless interoperability Authorized Operation Within the United States and Canada Enabling Extended Channel Mode ThinkPad T40 Series Service and Troubleshooting Guide Appendix B. Warranty information Lenovo Statement of Limited WarrantyWhat this Warranty Covers Part 1 General TermsWhat Lenovo Will Do to Correct Problems What this Warranty Does not CoverHow to Obtain Warranty Service Exchange of a Machine or Part Your Additional ResponsibilitiesLimitation of Liability Governing LawPart 2 Country-unique Terms Mexico ParaguayPeru UruguayUnited States Asia Pacific AustraliaCambodia and Laos CAMBODIA, INDONESIA, and LaosIndia Japan MalaysiaNEW Zealand PEOPLE’S Republic of China PRCSingapore EUROPE, Middle EAST, Africa EmeaGoverning Law Arbitration The following is added under this heading European Union EU ConsumersThinkPad T40 Series Service and Troubleshooting Guide France Following Terms Apply to the Country Specified AustriaEgypt Ireland GermanyHungary Items for Which Lenovo is Not Liable SlovakiaUnited Kingdom Part 3 Warranty Information Warranty PeriodTypes Customer Replaceable Unit ″CRU″ Service On-site ServiceCourier or Depot Service Customer Carry-In or Mail-In ServiceCRU and Customer Carry-In or Mail-In Service CRU and On-site ServiceCRU and Courier or Depot Service Country or Region Telephone Number Country or Region Telephone Number Guarantee supplement for Mexico ThinkPad T40 Series Service and Troubleshooting Guide Appendix C. Customer Replaceable Units CRUs IBMThinkPad T40 Series Service and Troubleshooting Guide Appendix D. Notices Television output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement European Union EMC Directive conformance statementEnvironmental notices for Japan Disposing of a disused lithium batteryHandling a disused ThinkPad battery pack IBM Lotus Software Offer European Countries U. S. Or CanadaLatin American Countries Trademarks Asia Pacific CountriesThinkPad 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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