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User Manual - Page 1

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)
User Manual - Page 3

... models . . . 71 1020 Battery pack for 14.1-in . Portions © IBM Corp. 2006. iii Contents About this manual 1 Introduction 3 Important service information 3 Strategy for replacing FRUs 3 How to use error messages 4 Diskette compatibility matrix 4 Safety notices: multilingual translations 4 Safety information 16 General safety 16 Electrical safety 17 Safety inspection guide...
User Manual - Page 7

..." on page 22. © Lenovo 2006. v The product-specific section includes service, reference, and product-specific parts information. About this manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for...
User Manual - Page 9

... prevent unnecessary expense for replacing FRUs Before replacing parts Make sure that those settings remain in effect. © Lenovo 2006. Introduction Important service information Important BIOS and device driver fixes are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in this manual. v If an adapter...
User Manual - Page 31

.... v Before replacing any ThinkPad model that have been altered. When you replace a FRU, make sure that you are correct by referring to the checkout guide, be overwritten. v A FRU should service the computer. If you suspect that you go to the FRU parts list. Read this first Before you attach to do with another FRU of servicer © Lenovo 2006...
User Manual - Page 35

... appears, press the Access IBM button. 2. Select Security, using the cursor keys to the servicer, there is known by the servicer: For T40/T40p, T41/T41p: 1. At the Enter Current Password field, enter the SVP. 7. Press F10; Related service information information stored in the Setup confirmation window, select Yes. Remove the backup battery. After the POST ends...
User Manual - Page 36

... the Access IBM button. If Using Passphrase item is displayed in the menu, this function is available on the screen; The hard disk drive can be made available to the servicer, neither Lenovo nor Lenovo authorized servicers provide any services to reset the user HDPs or to Security --> Password. The Rescue and Recovery screen opens. For models supporting the...
User Manual - Page 37

...on the ThinkPad computer. 2. Select Security, using the cursor keys to Security --> Password. A pop-up window opens. 7. Related service information 4. Select Password. 6. then leave the New Password field blank and press Enter twice. 9. then, while the "To interrupt normal startup, press the blue Access IBM button" message is displayed. 3. Type the current master HDP in the Setup...
User Manual - Page 41

... from the Access IBM Predesktop Area, do as a guide in as much detail as the serial port. Checkout guide Checkout guide Use the following Web site: http://www.lenovo.com/support PC-Doctor cannot be used to test a device that depend on page 45. Identify the failing symptoms in identifying and correcting problems with the ThinkPad computer. For...
User Manual - Page 49

... LCD models 129 © Lenovo 2006. ThinkPad T40/T40p, T41/T41p, T42/T42p Series Product overview 45 Specifications 45 Status indicators 50 FRU tests 53 Fn key combinations 54 Symptom-to-FRU index 58 Numeric error codes 58 Error messages 62 Beep symptoms 63 No-beep symptoms 63 LCD-related symptoms 64 Intermittent problems 65 Undetermined problems 65 FRU replacement...
User Manual - Page 61

...computer display and the external monitor (the Extend desktop function). 2. The setting can be installed. just press Fn+F7. Notes: 1. Product overview Key combination Fn+... press the Fn key only, without pressing a function key. v ThinkPad Power Management driver v OnScreen Display utility v Wireless device drivers Reserved. Control the power source of the power state. Switch a ...
User Manual - Page 64

... EEPROM checksum is listed first, in the ThinkPad notebook computers, see the manual for each error detected in this section lists symptoms and errors and their possible causes. Run BIOS Setup Utility, and save the current setting by pressing F10. 2. If replacing a FRU does not solve the problem, put the original part back in sequence." Then save the current...
User Manual - Page 69

... short beeps and a blank screen. Make sure that every connector is set. appears. Start the ThinkPad Configuration program and set . External CRT. 4. System board. See "Numeric error codes" on password or a supervisor password is connected tightly and correctly. 2. System board. 2. DIMM. 2. A power-on page 58. ThinkPad T40/T40p, T41/T41p, T42/T42p Series 63 DIMM. Four...
User Manual - Page 71

... not identify the adapter or device that has failed, if wrong devices are supported by the FRU code. Replace any FRUs. 3. Determine whether the problem has been solved. 6. LCD assembly ThinkPad T40/T40p, T41/T41p, T42/T42p Series 65 If no error is detected, replace the FRU shown by the computer. Turn off the computer. 2. Visually check...
User Manual - Page 258

.... Other company, product, or service names may be the trademarks or service marks of others. 252 T40/T40p, T41/T41p, T42/T42p Trademarks Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo Rescue and Recovery ThinkLight ThinkPad ThinkPad Dock II ThinkPad Mini Dock ThinkPad Port Replicator ThinkPad Port Replicator II TrackPoint...

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