User manual IBM THINKPAD T41

[. . . ] ThinkPad Computer Hardware Maintenance Manual February 2006 This manual supports: ThinkPad T40/T40p, T41/T41p, T42/T42p (MT 2373/2374/2375/2376/2378/2379) ThinkPad Dock II (MT 2877) Note Before using this information and the product it supports, be sure to read the general information under "Notices" on page 250. Second Edition (February 2006) © Copyright Lenovo 2006. Portions © Copyright International Business Machines Corporation 2006. GOVERNMENT USERS ­ RESTRICTED RIGHTS: Our products and/or services are provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to the GSA ADP Schedule contract with Lenovo Group Limited, if any, or the standard terms of this commercial license, or if the agency is unable to accept this Program under these terms, then we provide this Program under the provisions set forth in Commercial Computer Software­Restricted Rights at FAR 52. 227-19, when applicable, or under Rights in Data-General, FAR 52. 227. 14 (Alternate III). Contents About this manual . [. . . ] System board. Replace the backup battery and run BIOS Setup Utility to reset the time and date. Replace the backup battery and run BIOS Setup Utility to reset the time and date. Replace the backup battery and run BIOS Setup Utility to reset the time and date. Replace the backup battery and run BIOS Setup Utility to reset the time and date. Run BIOS Setup Utility to reset the time and date. 0270 Real-time clock error. 0271 Date and time error--Neither the date nor the time is set in the computer. 02F6 Software NMI failed 02F7 Fail-safe timer NMI failed 1802 Unauthorized network card is plugged in--Turn off and remove the miniPCI network card. 1. System board. 60 T40/T40p, T41/T41p, T42/T42p Symptom-to-FRU index Symptom or error 1803 Unauthorized daughter card is plugged in--Turn off and remove the daughter card. If the Access IBM Predesktop Area has been previously disabled, then go to the BIOS Setup Utility by pressing F1 to open the BIOS Setup Utility. Select Security --> Predesktop Area --> Access IBM Predesktop Area. If the Access IBM Predesktop Area has not been previously disabled, press Enter to load Access IBM Predesktop Area. If item 2 failed, press F3 in the Welcome screen in RECOVER TO FACTORY CONTENTS. If item 3 failed, select CD-ROM boot in Startup in Access IBM Predesktop Area. Undock docking station or port replicator if it is attached to the ThinkPad computer, and place the computer on a horizontal surface. Run Diagnostics --> Other Devices --> HDD Active Protection Test. 2000 IBM Hard Drive Active Protection sensor diagnostics failed. Press <F1> to enter SETUP ThinkPad T40/T40p, T41/T41p, T42/T42p Series 61 Symptom-to-FRU index Error messages Symptom or error Device address conflict. Check that the operating system has no failure and is installed correctly. Enter the BIOS Setup Utility and see whether the hard disk drive and the diskette drive are properly identified. Restore the system configuration to what it was before the computer entered hibernation mode. Restore it from a recovery CD. Allocation error for device. Failing bits: nnnn. I/O device IRQ conflict. Operating system not found. Hibernation error. Fan error. Press <Esc> to resume. 62 T40/T40p, T41/T41p, T42/T42p Symptom-to-FRU index Beep symptoms Symptom or error One beep and a blank, unreadable, or flashing LCD. System board One long and two short beeps, and a blank or unreadable LCD. [. . . ] Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. [. . . ]