Lenovo T40 manual Computer can not play a CD, or the sound quality is not good

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Solving computer problems

Solution:

IRQs for the PCI are all set as 11. The computer does not respond because it cannot share the IRQ with other devices. Refer to the ThinkPad Configuration Program.

Problem:

Windows NT does not start; however, the message saying that Windows NT is loading remains on the screen.

Solution:

The USB setting might have been changed to Enabled. If so, it might cause a conflict in allocating memory resources during startup. Disable the setting, using the BIOS Setup Utility.

If you are using the ThinkPad T41/T41p Series computer, do the following:

1.Turn your computer off and then on again; then, while the message, “To interrupt normal startup, press the blue Access IBM button” is displayed at the lower left of the screen, press the Access IBM button to start the Access IBM Predesktop Area.

2.Double-click Start setup utility to start the BIOS Setup Utility. The BIOS Setup Utility menu appears.

3.With the cursor key, select Config; then press Enter.

4.Select USB by pressing Enter.

5.With the F5 or F6 key, select Disable; then press Enter.

6.Press F10 and Enter to save this setting and exit this utility.

If you are using any other ThinkPad T40 Series computer, do the following:

1.Turn your computer off and then on again; then, while the message, “To interrupt normal startup, press the blue Access IBM button” is displayed at the lower left of the screen, press the Access IBM button. Rescue and Recovery screen opens.

2.Click Access BIOS. The System Restart Required window is displayed.

3.Click Yes. The computer restarts, and the BIOS Setup Utility menu appears.

4.With the cursor key, select Config; then press Enter.

5.Select USB by pressing Enter.

6.With the F5 or F6 key, select Disable; then press Enter.

7.Press F10 and Enter to save this setting and exit this utility.

Problem:

The computer can not play a CD, or the sound quality is not good.

32ThinkPad® 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 Σηµαντικ Οδηγ Σχετικ Με την ασϕ ΣηµεΝα βρε Κατ Με τους αριθµο τηλεϕ Που µπορε Να καλ Για Να ζητ Καταστ Που πρ Να αντιµετωπΕξουσιοδοτηµ Τεχνικ Και µε κ Ηλεκτρονικ Και υποστ Στην απΚΙΝ∆ΥΝΟΣ Γενικ οδηγ ΑσϕΣυντ ΠροσοχΚαλ Και µετασχηµατιστ Επεκτ Καλωδ Και σχετικ ΣυσκευΦις και πρ Μπαταρ Θερµ Και εξαερισµ Ασϕ Των µον CD και DVD Πληροϕορ ΑσϕXii ThinkPad T40 Series Service and Troubleshooting Guide Xiii Προσοχη CDCΣχετικ Με τις προδιαγραϕ των συσκευ Laser CD-ROM, CD-RW, DVD-ROMΠΡΟΕΙ∆ΟΠΟΙΗΣΗ Ο χειρισµ Important notice for users Important regulatory notice for usersInformation about hard disk capacity 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 Be gentle with your computer Important tips Be careful about where and how you workCaring for your ThinkPad computer Carry your computer properlyTake care in setting passwords Handle storage media and drives properlyOther important tips 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 Error messages Diagnosing problemsTroubleshooting Click PC-DoctorSolving computer problems Solving computer problems Solving computer problems Select Security -IBM Predesktop Area -Access IBM Predesktop Errors without messages ProblemSolution My screen goes blank while the computer is on Password problem Power switch problemKeyboard problems UltraNav problems Standby or hibernation problems Solving computer problems Clear the Auto insert notification check box Solution For WindowsClick the Device Manager tab For Windows NTSelect Timer Wake with Battery Operation by pressing Enter Click the Enable hibernation button Computer screen problemsClick Power Management 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 Appendix A. Wireless related information Wireless interoperabilityUsage environment and your health Authorized Operation Within the United States and Canada Enabling Extended Channel Mode ThinkPad T40 Series Service and Troubleshooting Guide What this Warranty Covers Appendix B. Warranty informationLenovo Statement of Limited Warranty Part 1 General TermsWhat this Warranty Does not Cover How to Obtain Warranty ServiceWhat Lenovo Will Do to Correct Problems Exchange of a Machine or Part Your Additional ResponsibilitiesLimitation of Liability Governing LawPart 2 Country-unique Terms Peru MexicoParaguay UruguayCambodia and Laos United StatesAsia Pacific Australia CAMBODIA, INDONESIA, and LaosIndia NEW Zealand JapanMalaysia 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 Following Terms Apply to the Country Specified Austria EgyptFrance Germany HungaryIreland Items for Which Lenovo is Not Liable SlovakiaUnited Kingdom Part 3 Warranty Information Warranty PeriodTypes Courier or Depot Service Customer Replaceable Unit ″CRU″ ServiceOn-site Service Customer Carry-In or Mail-In ServiceCRU and On-site Service CRU and Courier or Depot 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 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 statementDisposing of a disused lithium battery Handling a disused ThinkPad battery packEnvironmental notices for Japan IBM Lotus Software Offer U. S. Or Canada Call Latin American Countries European CountriesTrademarks Asia Pacific CountriesThinkPad T40 Series Service and Troubleshooting Guide Index ThinkPad T40 Series Service and Troubleshooting Guide Page Part Number 39T2342
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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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