User manual IBM THINKPAD T41P

[. . . ] 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 . [. . . ] Reserved. (continued) 56 T40/T40p, T41/T41p, T42/T42p Product overview Key combination Fn+F12 Description Put the computer into hibernation mode. To return to normal operation, press the power button for less than four seconds. Note: To use Fn+F12 for hibernation in Windows 2000 or Windows XP, you must have the PM device driver installed on the computer. Note: This function is supported only on the ThinkPad computers that have the ThinkLight. The on or off status of the ThinkLight is shown on the screen for a few seconds when you press Fn+PgUp. Enable the FullScreen Magnifier function. Fn+PgUp Fn+Home Fn+End Fn+Spacebar ThinkPad T40/T40p, T41/T41p, T42/T42p Series 57 Symptom-to-FRU index Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed "FRU or action, in sequence. " If replacing a FRU does not solve the problem, put the original part back in the computer. This index can also help you determine, during regular servicing, what FRUs are likely to need to be replaced next. A numeric error is displayed for each error detected in POST or system operation. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not described there, go to "Intermittent problems" on page 65. Note For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device. Numeric error codes Symptom or error 0175 Bad CRC1, stop POST task--The EEPROM checksum is not correct. 0176 System Security--The system has been tampered with. 0177 Bad SVP data, stop POST task--The checksum of the supervisor password in the EEPROM is not correct. Enter BIOS Setup and load Setup defaults. --The checksum of the CRS2 setting in the EEPROM is not correct. FRU or action, in sequence System board. 1. Run BIOS Setup Utility, and save the current setting by pressing F10. Press F9, and Enter to load the default setting. Then save the current setting by pressing F10. System board. 58 T40/T40p, T41/T41p, T42/T42p Symptom-to-FRU index Symptom or error 0185 Bad startup sequence settings. Enter BIOS Setup and load Setup defaults. Press F9, and Enter to load the default setting. [. . . ] The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to: Lenovo (United States), Inc. 54 Research Triangle Park, NC 27709 U. S. A. Attention: Lenovo Director of Licensing LENOVO GROUP LTD. [. . . ]