Lenovo ThinkPad T23 46P4564 - English - Service and Troubleshooting Guide for
Lenovo ThinkPad T23 Manual
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- Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 1
ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 2
supports, be sure to read the general information under "Appendix A. Important safety instructions" on page 39 and "Appendix B. Product warranties and notices" on page 45 . DANGER v To avoid electric shock hazard, connect and disconnect cables appropriately when installing CD-ROM or DVD drive unit, - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 3
Finding information with Access ThinkPad Find answers to your questions about your computer and view IBM Web sites by pressing the ThinkPad Button shown in the previous illustration to open Access ThinkPad, your on-board computer help center. © Copyright IBM Corp. 2001 iii - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 4
an interactive community of ThinkPad users to access mobile resources, read tips and true stories, and share your own advice. Customize your ThinkPad with accessories, software and services. A one-click guide to service on the Web for your ThinkPad. iv ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 5
v Use passwords and other security features v Install, remove and recover software v Upgrade your system v Extend the life of your battery v Troubleshoot problems v Contact IBM for service and support v Perform many other tasks Click one of the Internet buttons to join an interactive ThinkPad Web - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 6
of the topics in your help system contain brief video clips that show you how to perform certain tasks, such as replacing your battery, inserting a PC card, or upgrading your memory. Use the controls shown to play, pause, and rewind the video clip. vi ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 7
Computer screen problems 22 Battery problems 23 Hard disk drive problems 24 Other problems 24 Starting BIOS Setup Utility 27 Recover pre-installed software 28 Upgrading the hard disk drive 30 Replacing the battery 32 Chapter 3. Getting help and service from IBM 33 Getting help and service - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 8
viii ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 9
Chapter 1. Overview of your new ThinkPad computer Your ThinkPad at a glance 2 Features 3 Specifications 5 Caring for your ThinkPad computer . . . . 6 © Copyright IBM Corp. 2001 1 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 10
Your ThinkPad at a glance Your ThinkPad at a glance Front view Rear view 2 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 11
v 2.5-inch hard disk drive: Up to 48 GB, depending on the model Display The color display uses TFT technology: v Size: 13.3 or 14.1 inch, depending on the model v Resolution: - LCD: Up to 1400-by-1050, depending on the model - External monitor: Up to 1600-by-1200 v Brightness control Keyboard v 84 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 12
Bus (USB) connectors v UltraPort™ connector v Infrared port v RJ11 telephone connector (available if the modem feature is installed) v RJ45 Ethernet connector (available if the Ethernet feature is installed) v Ultrabay™ 2000 v Expansion connector 4 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 13
- Maximum operating temperature, 31.3°C (88° F) Note: When you charge the battery pack, its temperature must be at least 10°C (50°F). v Relative humidity: - Operating with no diskette in the drive: 8% to 95% - Operating with a diskette in the drive: 8% to 80% Heat output v 72 W (246 Btu/hr) maximum - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 14
or any part of your body for an extended period when the computer is functioning or when the battery is hard disk drive and data loss. v When picking up your open computer, hold it by the bottom. Do not pick up or hold your computer by the display. 6 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 15
DVD drive, follow the instructions shipped with your hardware, and apply pressure only where needed on the device. See Access ThinkPad, your on-board help system, for information on replacing your hard disk drive (open Access ThinkPad by pressing the ThinkPad button). Take care in setting passwords - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 16
v If you exchange drives in your computer, reinstall the plastic bezel faces (if supplied). v Store your external and removable hard disk, diskette, CD, and DVD drives in the appropriate containers . v Gently wipe the display with a dry, soft cloth. 8 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 17
problems 17 Standby or hibernation problems . . . . 18 Computer screen problems 22 Battery problems 23 Hard disk drive problems 24 Other problems 24 Starting BIOS Setup Utility 27 Recover pre-installed software 28 Upgrading the hard disk drive 30 Replacing the battery 32 © Copyright IBM - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 18
Quick Test set have been run and that it has found no problems, consider running more of the tests. If you are preparing to contact IBM for support, be sure to print the test log so that you can rapidly provide information to the help technician. 10 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 19
(using the supervisor password), and clear the Security Chip. Refer to Setting the Security Chip in the Access ThinkPad, your on-board help system. If it does not solve this problem, have the computer serviced. 0196: Security hardware removed The Security Chip has been removed from your computer - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 20
default settings. Run IBM BIOS Setup Utility to reconfigure the settings. If you still see the same error code, have the computer serviced. 0260: System timer error Have the computer serviced. 0270: Real time clock error Have the computer serviced. 12 ThinkPad® T23 Service and Troubleshooting - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 21
hard disk drive is correctly installed. v A startable diskette is in the diskette drive Fan error If the same error message is still displayed, check the boot sequence, using the IBM BIOS Setup Utility. The cooling fan has failed. Have the computer serviced. Chapter 2. Solving computer problems - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 22
on the machine, nothing appears on the screen, but I hear two or more beeps or a continuous beep while starting up. Solution: If you are using Ethernet: v Make sure that the Ethernet cable is connected firmly. v Contact your network administrator. 14 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 23
the screen image. A password problem Problem: I forgot my password. Solution: If you forget your power-on password, you have to take your computer to an IBM reseller or marketing representative to have the password canceled. If you forget your hard disk password, IBM will not reset your password or - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 24
NumLk. Problem: Some or all of the keys on the external numeric keypad do not work. Solution: Make sure that the external numeric keypad is correctly connected to the computer. Problem: Some or all of the keys on the external keyboard do not work. 16 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 25
Problem: The cursor does not work for a while after the settings in the Mouse Properties window cable is securely connected to the computer. If your mouse is incompatible with the IBM® PS/2® mouse, disable the TrackPoint, using the ThinkPad Configuration Program. Chapter 2. Solving computer problems - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 26
on your hard disk drive. If your hard disk drive does not contain device drivers, refer to the ThinkPad Service & Support Web site. To access this Web site, open Access ThinkPad by pressing the ThinkPad button, then click the Service & Support image on the right of the screen. Problem: The scrolling - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 27
or hibernation mode when the battery is depleted. Connect the ac adapter to the computer; then press Fn. Problem: When you are using the network cable. If you are not using the network, disable the Ethernet port as follows: For Windows 98: 1. Double-click the System icon in the Control Panel. 2. - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 28
. For Windows NT: If you enable the CD-ROM AutoRun feature, the timer cannot trigger the computer to enter standby mode. To enable the timer, disable the AutoRun feature by editing the configuration information in the registry as follows: 20 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 29
program, and then remove the PC Card or disable the PC Card slot, using the Control Panel. For Windows NT: Note: You must format your hard disk with the FAT format system to use hibernation mode in Windows NT. If you format your hard disk with NTFS, the default format in Windows NT, you cannot - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 30
... 4. Make sure ″S3 Graphics, Inc. SuperSavage″ is shown in the Display Type window. 5. Click OK. 6. Click the Test button in the Settings window. 7. Make sure the output is displayed correctly. Problem: Incorrect characters appear on the screen. 22 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 31
computer's display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. Problem: "Unable to create overlay window" message appears when you try to start DVD playback. or You get poor or no playback while running - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 32
input. Solution: Your computer might lock when it enters standby mode during a communication operation. Disable the standby timer when you are working on the network. To turn off the computer, press and hold the power switch for 4 seconds or more. 24 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 33
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 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 34
high. v Battery Optimized Performance: Keeps the processor speed low at all times. v Maximum Battery: Switches the problem, be sure to detach the ThinkPad Dock only when the system is operating or turned off, not when it is in standby mode. 26 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 35
configuration. 2. Remove any diskette from the diskette drive, and then turn off the computer. 3. Turn on the computer; then, while the " Press F1 for IBM BIOS Setup Utility" message is displayed at the lower-left of the screen, press F1. If you have set a supervisor password, the "IBM BIOS Setup - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 36
again. Your computer restarts with the pre-installed operating system, drivers, and software. Note: Network drivers are not automatically restored with Windows NT 4.0; you will need to reinstall them. Refer to ThinkPad Assistant for reinstallation. 28 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 37
as the Recovery Repair diskette and save it for future use. To use the Recovery Repair diskette: 1. Shut down and turn off your computer. 2. Insert the Recovery Repair diskette into the drive; then turn on the computer. 3. Follow the on-screen instructions. Chapter 2. Solving computer problems 29 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 38
disconnect the ac adapter and all cables from the computer. 2. Close the computer display, and turn the computer over. 3. Remove the battery. 4. Remove the coin screw that secures the hard disk drive. You can use a coin in the slot of the screw. 30 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 39
on its side and remove the hard disk drive by pulling the cover away from the computer. 6. Detach the cover from the hard disk drive. 7. Attach the cover to a new hard disk drive. 8. Insert the hard disk drive and its cover into the hard disk drive bay; then firmly install them. 9. Turn the computer - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 40
battery with the side of the battery space in the computer 1 ; then gently push the battery into the space 2 . 5. Slide the battery latch to the left to lock it. 6. Turn the computer over again. Connect the ac adapter and the cables to the computer. 32 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 41
Chapter 3. Getting help and service from IBM Getting help and service 34 Getting help on the Web 34 Getting help by fax 35 Calling IBM 35 © Copyright IBM Corp. 2001 33 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 42
e-mail notifications whenever new information becomes available about your registered products. You also can order publications through the IBM Publications Ordering System at www.elink.ibmlink.ibm.com/public/applications/publications/cgibin/pbi.cgi 34 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 43
or use of non-IBM parts or nonwarranted IBM parts Note: All warranted parts contain a 7-character identification in the format IBM FRU XXXXXXX v Identification of software problem sources v Configuration of BIOS as part of an installation or upgrade v Changes, modifications, or upgrades to device - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 44
Type and Model v Serial numbers of your computer, monitor, and other components, or your proof of purchase v Description of the problem of IBM HelpCenter telephone numbers and hours of operation, visit the Support Web site at www.ibm.com/pc/support 36 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 45
Dutch English Norwegian Spanish Portuguese Spanish Swedish German/ French/ Italian Mandarin English English Getting help and service Telephone Number 01-815 9202 02-482 9202 0120-887-870 298-977 5063 01-800-426- 2725-9799 01475-555 055 1-800-772-2227 Chapter 3. Getting help and service from IBM 37 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 46
Getting help and service 38 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 47
Appendix A. Important safety instructions DANGER Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, connect and disconnect cables as shown below when installing, moving, or opening the covers of this product or attached devices. If the 3-pin power - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 48
, do not: (1) throw or immerse the battery into water, (2) allow it to heat to more than 100 °C (212 °F), or (3) attempt to repair or disassemble it. Dispose of it as required by local ordinances or regulations and your company's safety standards. 40 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 49
and the ac adapter when you install the Mini PCI option or open the covers of the system or attached devices. Electrical current from power, telephone, and communication cables in hazardous. CAUTION: When you have added or upgraded a Mini PCI Card or a memory card, do not use your computer until - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 50
laser system and the optical storage drive ensures that there is no exposure to laser radiation above a Class 1 level during normal operation, user maintenance, or servicing. Some drives contain an embedded Class 3A laser diode. Note this warning: 42 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 51
DANGER Emits visible and invisible laser radiation when open. Avoid direct eye exposure. Do not stare into the beam or view it directly with optical instruments. Save these instructions. Appendix A. Important safety instructions 43 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 52
44 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 53
labor it provides in performance of the repair or replacement. Machine type 2647 or 2648 Country or region All Warranty period Parts - 3 years, labor - 3 years, Battery pack - 1 year IBM Statement of Limited Warranty Z125-4753-06 8/2000 Part 1 - General Terms This Statement of Limited Warranty - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 54
. If you do not register your Machine with IBM, you may be required to present proof of purchase. During the warranty period, IBM or your reseller, if approved by IBM to provide warranty service, provides without charge certain types of repair and 46 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 55
at your location or a service center. IBM or your reseller will also manage and install selected engineering changes that apply to the Machine. Some parts of IBM Machines are designated as Customer Replaceable Units (called ″CRUs″), e.g., keyboards, memory, or hard disk drives. IBM ships CRUs to you - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 56
in which you acquired the Machine to govern, interpret, and enforce all of your and IBM's rights, duties, and obligations arising from, or relating in any manner to, the subject matter of this Agreement, without regard to conflict of law principles. 48 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 57
AMERICA Warranty Service: The following is added to this Section: To obtain warranty service from IBM in Canada or the United States, call 1-800-IBM-SERV ( the Trade Practices Act 1974 or other similar legislation, IBM's liability is limited to the repair or replacement of the goods or the supply of - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 58
final and binding for the parties without appeal and the arbitral award shall be in writing and set forth the findings of fact and the conclusions of law. All proceedings shall be conducted, : laws of Hong Kong Special Administrative Region. INDIA 50 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 59
and in accordance with the principle of mutual trust. NEW ZEALAND The IBM Warranty for Machines: The following paragraph is added to this Section: The Consumer Guarantees Act 1993 will not apply in respect of any goods which IBM provides, if you require the goods for the purposes of a business as - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 60
the part which service in Africa is available within 50 kilometers of an IBM authorized service provider. You are responsible for transportation costs for Machines located outside 50 kilometers of an IBM authorized service provider. Governing Law: 52 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 61
Statement are those of the country in which the warranty service is being provided, except that in 1) Albania, Bosnia- Specifications. The following paragraphs are added to this Section: The minimum warranty period for Machines is six months. In case IBM or your reseller is unable to repair an IBM - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 62
items one and two of the first paragraph of this Section: 1. death or personal injury or physical damage to your real property solely caused by IBM's negligence; and 54 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 63
and resellers (unchanged). The following paragraph is added at the end of this Section: IBM's entire liability and your sole remedy, whether in contract or in tort, in respect of any default shall be limited to damages. ITALY Limitation of Liability: The following replaces the second sentence - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 64
Act 1982. Applicability of suppliers and resellers (unchanged). The following is added to the end of this Section: IBM's entire liability and your sole remedy, whether in contract or in tort, in respect of any default shall be limited to damages. 56 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 65
However, it is the user's responsibility to evaluate and verify the operation of any non-IBM product, program, or service. IBM may have patents or and update them if needed. This IBM hardware product cannot prevent errors that might occur if software, upgrades, or peripheral devices you use or - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 66
part of the materials for this IBM product, and use of those Web sites is at your own risk. Electronic emission notices Federal Communications Commission (FCC) Statement ThinkPad T23, machine type 2647 or 2648 , NY 10504 Telephone 1-919-543-2193 58 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 67
fitting of non-IBM option cards. This product satisfies at the top or bottom of each transmitted page or on the first page of the transmission, the date and time installation instructions for your fax software package. 2. The built-in modem is built into the ThinkPad computer. It complies with Part - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 68
individual. (The telephone number provided may not be a 900 number or any other number for which charges exceed local or long-distance transmission charges.) 60 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 69
the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs of alterations made by the user to this equipment, or equipment malfunctions, may give - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 70
PERMITTED OR CERTIFIED. Notice for Users in New Zealand For the modem with approval number PTC 211/00/206 1. The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has accepted that the item complies with minimum 62 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 71
' emergency service. 8. Some parameters required for compliance with Telecom's Telepermit requirements are dependent on the equipment (PC) associated with this device. In order to operate within the limits for compliance with Telecom's specifications, the associated equipment shall be set to ensure - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 72
equipment shall be set to operate within the following limits for compliance with Telecom's Specification: v There shall be no more than 10 call attempts to the same number within any 30 minute period for any single manual ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 73
connected to the same line as other equipment, may give rise to bell tinkle or noise and may also cause a false answer condition. If such problems occur, the user should NOT contact the Telecom Faults Service. Appendix B. Product warranties and notices 65 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 74
requirements are dependent on the software. In order to operate within the limits for compliance with Telecom's specifications, the software shall be set to ensure that calls are answered between 3 be used, and what it disclosed to any other party. 66 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 75
Notice for European Union countries Hereby Ambit declares that this ″J07M041.00″ modem is in conformity with the essential requirements and other relevant provisions of Directive 1999/5/EC. Appendix B. Product warranties and notices 67 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 76
Hereby Intel declares that this ″PBA A30460-006″ modem is in conformity with the essential requirements and other relevant provisions of Directive 1999/5/EC. 68 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 77
Hereby 3Com declares that this ″3CN3ACx556″, ″3CN3ACx556B″ and ″3CN3BM1556B″ modem models are in conformity with the essential requirements and other relevant provisions of Directive 1999/5/EC. Appendix B. Product warranties and notices 69 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 78
of wireless devices in a specific organization (e.g. airport), you are encouraged to ask for authorization to use Wireless LAN Mini-PCI Adapter prior to turning on the ThinkPad T23. Wireless Regulatory Information The ThinkPad T23 must be installed and used in strict accordance with the instructions - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 79
LAN device before you use any wireless PCMCIA cards or the Bluetooth option. Please visit the IBM site at www.ibm.com/pc/support for an updated list RF devices that have received FCC certification on your ThinkPad. Interference Statement An improper installation or unauthorized use may cause harmful - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 80
ce type d'appareil est soumis aux deux conditions suivantes : (1) Cet appareil peut perturber les communications radio, et (2) cet appareil doit supporter toute perturbation, y compris les perturbations qui pourraient provoquer un dysfonctionnement. 72 ThinkPad® T23 Service and Troubleshooting Guide - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 81
IBM Corporation in the United States or other countries or both: IBM HelpCenter PS/2 ThinkLight ThinkPad TrackPoint Ultrabay UltraPort Microsoft, Windows, and Windows Other company, product, or service names may be the trademarks or service marks of others. Appendix B. Product warranties and notices - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 82
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help by 35 H hard disk problems 24 upgrading 30 hibernation problems 18 I IBM help iii K keyboard problems 16 O on-board help iii P password problems 15 PC-Doctor for Windows 10 power switch problems 16 problems, troubleshooting 11 R recovering software 28 S safety instruction 39 standby problems 18 - Lenovo ThinkPad T23 | 46P4564 - English - Service and Troubleshooting Guide for - Page 84
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Part Number: 46P4564 (1P) P/N: 46P4564
ThinkPad
®
T23
Service and Troubleshooting Guide
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