Lenovo T400 Support Question

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Question posted by briannagenp on April 18th, 2014

How To Replace Power Supply Port In Lenovo T400

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Answer #1: Posted by BusterDoogen on April 18th, 2014 9:18 AM

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BusterDoogen

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Go here for a repair video. It isn't specific to your model but similar enough to guide you.

I hope this is helpful to you!

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Related Lenovo T400 Manual Pages

Hardware Maintenance Manual - Page 5

...28 PC-Doctor for Rescue and Recovery . . . . . 28 Power system checkout 29 Checking the ac adapter 29 Checking operational charging 30 Checking...Lenovo 2008 No-beep symptoms 44 LCD-related symptoms 45 Intermittent problems 46 Undetermined problems 46 ThinkPad T400 and R400 (14.1-inch widescreen 47 Specifications 48 Status indicators 50 FRU tests 53 Fn key combinations 55 FRU replacement...

Hardware Maintenance Manual - Page 7

... all the information under "Safety information" on page 1 and "Important service information" on page 17. © Copyright Lenovo 2008 v ThinkPad T400 MT 2764, 2765, 2766, 2767, 2768, 2769, 2773, 6473, 6474, 6475, 7417, 7420, 7425, and 7434 ThinkPad R400 MT 2782, 2783, 2784, 2786, 2787, 2788, 2789, 7438, 7439, 7440, 7443, 7445, 7446, and 7447...

Hardware Maintenance Manual - Page 11

... on a machine that has exposed electrical circuits, observe the following precautions: - v Find the room emergency power-off the power, if necessary. - v Do not work with powered-on electrical equipment; v If you work alone under hazardous conditions or near power supplies - Use only one hand when working with very high voltages; keep the other hand in...

Hardware Maintenance Manual - Page 12

Power supply units - Motor generators and similar units. (This practice ensures correct grounding of a plastic dental mirror. Switch off power. - v Do not service the following parts with the reflective surface of the units.) v If an electrical accident occurs: - Use caution; Pumps - do not become a victim yourself. - Send another person to get medical aid. 4 ThinkPad T400 and...

Hardware Maintenance Manual - Page 13

...power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Disconnect the power cord. 3. Check for cracked or bulging batteries. 5. Power off , and the power... signs of fire or smoke damage. 8. If any unsafe conditions are any non-ThinkPad alterations. 7. Begin the checks with . Check exterior covers for any obvious unsafe ...

Hardware Maintenance Manual - Page 31

...replacing any ThinkPad model that supports the PC-Doctor® for DOS diagnostics program. v A FRU should service the computer. Some descriptions might be sure to read the entire page on removing and replacing...unreproducible failure. When you are correct by referring to replace a nondefective FRU. © Copyright Lenovo 2008 23 "Diagnostics using PC-Doctor for Windows" on page ...

Hardware Maintenance Manual - Page 34

...-Doctor diagnostic diskette, follow the instruction on page 39. 26 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual To enter BIOS Setup Utility, do as follows: Note: In the following Web site: http://www.lenovo.com/support PC-Doctor cannot be powered on model-unique functions, refer to the USB connector of...

Hardware Maintenance Manual - Page 37

...the problem persists, go to "ThinkPad T400 and R400 (14.1-inch widescreen...power is supplied when you turn on the computer. If you suspect a power problem, see the appropriate one you turn on page 31 Checking the ac adapter You are servicing. 3. If the voltage is used , replace the port replicator. General checkout 29 v If the power problem occurs only when the ThinkPad Essential Port...

Hardware Maintenance Manual - Page 38

...be 4 to the next section. Remove it from having a shortened life. Reinstall the battery pack. Power off the computer. 2. See the following : 1. If the voltage is still not charged, go...click), and the percentage of its capacity. If the voltage is correct, replace the system board. 30 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual If it at least 3...

Hardware Maintenance Manual - Page 42

... scheduled fee. 34 ThinkPad T400 and R400 (14.1-...replaced for it appears on the screen whenever the computer is turned on by an unauthorized person. Follow the instructions on page 35. Exception: If only an SVP is installed, the password prompt does not appear when the operating system is available, neither Lenovo nor Lenovo authorized servicers provide any ThinkPad computer: the power...

Hardware Maintenance Manual - Page 50

...customer is using a non-IBM or non-Lenovo hard disk drive (HDD), or an old generation IBM...Power off and remove the WAN card. 1. Reseat the hard disk drive. 2. Main hard disk drive. 3. Reseat the hard disk drive. Undock docking station or port replicator if it by this system. Reseat the hard disk drive. disk drive) 3. Read error on a horizontal surface. System board. 42 ThinkPad T400...

Hardware Maintenance Manual - Page 54

... Intermittent system hang problems can be considered only when a problem recurs. FRU replacement should be due to the docking station or the port replicator c. When analyzing an intermittent problem, do not replace any FRUs. 3. If any damaged FRU. 3. Verify that the power supply being used at a time (do with a hardware defect, such as cosmic radiation...

Hardware Maintenance Manual - Page 56

...high 48 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual Specifications Feature Processor Bus architecture Graphic memory chip Display Standard memory Extended memory device (some models) Optional memory CMOS RAM Hard disk drive Description v Intel® Core™ 2 Duo processor P8400 (2.26 GHz), 3-MB L2 cache v Intel Core 2 Duo processor P8600 (2.4 GHz), 3-MB L2...

Hardware Maintenance Manual - Page 59

... NumLk (ScrLk) key. 5 Caps lock Green: Caps Lock mode is resuming normal operation. ThinkPad T400 and R400 (14.1-inch widescreen) 51 To enable or disable Caps Lock mode, press the Caps...in suspend mode. Blinking orange (slow): The battery is charged between 20% to the ac power supply. 10 Standby status Green: The computer is being charged. This indicator is on when Wireless ...

Hardware Maintenance Manual - Page 61

... Interactive Tests --> Video Modem daughter card (MDC-3.0) 1. Replace the modem jack and the modem card in Diagnostics --> ... Interactive Tests --> Diskette ThinkPad T400 and R400 (14.1-inch widescreen) 53 Power Diagnostics --> ThinkPad Devices --> AC Adapter, ...ThinkPad Devices --> ExpressCard slot. If the ThinkPad Advanced Dock, the ThinkPad Advanced Mini Dock or the ThinkPad Essential Port...

Hardware Maintenance Manual - Page 181

...list-Overall (continued) No. FRU FRU no. 23 CPU assembly, Intel Core 2 Duo processor P8400 (2.26 42W7984 GHz) v 6473-CTO, T3x, T4x, T5x, T7x, T9x, TAx, ...CTO, X2x v 2764-CTO, 21x, 22x, 23x v 2765-CTO, T1x, TEx v 2766-CTO, 1Dx, 1Ex v 2767-CTO, 1Kx, 1Lx, 1Mx, 1Nx, 1Sx, 1Vx, 1Wx, 2Dx, 2Ex, 2Fx v 2768-CTO v 2769-CTO ...2789-CTO RoHS CRU ID ID R N ThinkPad T400 and R400 (14.1-inch widescreen) 173

Hardware Maintenance Manual - Page 182

...FRU FRU no. 23 CPU assembly, Intel Core 2 Duo processor P8600 (2.4 42W7985 GHz) v 6473-CTO, T1x, T2x, ... 21x, 22x, 2Kx, 2Lx, 2Mx, 2Nx, 2Px, 2Qx, TBx v 2766-CTO, 14x, 15x, 16x v 2767-CTO, 11x, 1Fx, 1Gx, 1Px, 1Tx, 1Xx, 1Yx, 23x, 24x, 25x, 2Gx, 2Hx, 2Kx v 2768... ID ID R N 174 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual Parts list-Overall (continued) No. Table 38.

Hardware Maintenance Manual - Page 183

FRU 23 CPU assembly, Intel Core 2 Duo processor P9500 (2.53 GHz) v 6473-CTO v 6474-CTO v 6475-CTO v 7417-CTO, TLx v 7420-CTO, 15x v 7425-CTO v 7434-CTO v 2764-CTO v 2765-CTO, TAx, TCx v 2766-CTO, 17x, 18x v 2767-CTO, 17x, 18x, 1Rx...-CTO v 2788-CTO v 2789-CTO FRU no. 42W7986 RoHS CRU ID ID R N ThinkPad T400 and R400 (14.1-inch widescreen) 175 Table 38. Parts list-Overall (continued) No.

Hardware Maintenance Manual - Page 184

...Core 2 Duo processor T9400 (2.53 42W7987 GHz) v 6473-CTO v 6474-CTO, 1Ax, 22x, E2x, E3x, R2x, R3x v 6475-CTO, R2x v 7417-CTO, TJx, TNx, TSx v 7420-CTO v 7425-CTO v 7434-CTO v 2764-CTO, 24x, 25x, 27x v 2765-CTO, 2Jx, 2Rx, T7x v 2766-CTO, 19x, 1Ax v 2767...-CTO, X4x RoHS CRU ID ID R N 176 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual Parts list-Overall (continued) No.

Hardware Maintenance Manual - Page 185

FRU 23 CPU assembly, Intel Core 2 Duo processor T9600 (2.8 GHz) v 6473-CTO v 6474-CTO v 6475-CTO v 7417-CTO v 7420-CTO v 7425-CTO v 7434-CTO v 2764-CTO v 2765-CTO, T9x v 2766-CTO, 1Bx, 1Cx v 2767-CTO, 14x, 2Bx, 2Cx, R2x, R7x, R9x v ...-CTO v 2788-CTO v 2789-CTO FRU no. 42W7988 RoHS CRU ID ID R N ThinkPad T400 and R400 (14.1-inch widescreen) 177 Table 38. Parts list-Overall (continued) No.