If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem. ThinkPad T460 Hardware Maintenance Manual...
0.1 ohm or less between the external ground pin and the frame ground. b. The power cord should be the authorized type specified for your computer. Go to: http://www.lenovo.com/serviceparts-lookup c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries.
The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER ThinkPad T460 Hardware Maintenance Manual...
Unified Extensible Firmware Interface basic input/output system (UEFI BIOS) downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in the following support site: http://www.lenovoservicetraining.com/ion/...
Dynamic configure-to-order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web Site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.
Page 27
FRU list for a product. To get the general FRU list for a product, do the following: 1. Go to: http://www.lenovo.com/support 2. Click Parts & Accessories. 3. Follow the instructions on the screen to select product.
This chapter introduces following information: • “What to do first” on page 23 • “Checkout guide” on page 24 – “Lenovo Solution Center” on page 24 – “Quick test programs” on page 24 – “UEFI diagnostic program” on page 25 –...
The Lenovo Solution Center program is available for download at http://www.lenovo.com/diags. To run the Lenovo Solution Center program, go to Control Panel and click System and Security ➙ Lenovo - System Health and Diagnostics, and then follow the instructions on the screen.
If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic programs enable you to test computer memory and internal storage devices, view system information, and check and recover the internal storage devices.
• If the computer does not charge during operation, go to “Checking the removable battery and the operational charging” on page 27. To check the ac power adapter, do the following: ThinkPad T460 Hardware Maintenance Manual...
Checking the removable battery and the operational charging Checking the removable battery This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems.
Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the coin-cell battery. • If the coin-cell battery discharges quickly after replacement, replace the system board. ThinkPad T460 Hardware Maintenance Manual...
“Symptom-to-FRU index” on page 35 Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support Restoring the factory contents by using the Recovery Disc Set When the main storage drive is replaced because of a failure, no product recovery program is on the new drive.
Windows operating system, start the computer from an external device, or restore the Windows operating system from a system image. To use advanced startup options, do the following: Note: The GUI items of the operating system might change without notice. ThinkPad T460 Hardware Maintenance Manual...
1. Open the Start menu and then click Settings. If Settings is not displayed, click All apps to display all programs, and then click Settings ➙ Update & security ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3.
If it has, it can be used for access to the hard disk drive. If no master hard disk password is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master hard disk password, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.
To put the system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive or solid-state drive with a scheduled fee.
When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive or solid-state drive is read, and system status is restored from the hard disk drive or solid-state drive. ThinkPad T460 Hardware Maintenance Manual...
Symptom-to-FRU index This section contains following information: • “Numeric error codes” on page 35 • “Error messages” on page 36 • “Beep symptoms” on page 37 • “No-beep symptoms” on page 37 • “LCD-related symptoms” on page 37 • “Intermittent problems” on page 38 •...
The battery installed is not supported by this system Replace the battery pack. and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key to continue. This system does not support batteries that are not Replace the battery pack.
LCD technology, but excessive pixel problems can cause viewing concerns.If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced. Notes: •...
6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU): a. System board b. LCD unit ThinkPad T460 Hardware Maintenance Manual...
Page 46
On: The Fn Lock function is enabled. To input F1- F12, press the corresponding function key directly. To initiate the special function of each key, press the Fn key and the corresponding function key. ThinkPad T460 Hardware Maintenance Manual...
Rear view Fan louvers Smart-card reader (on some models) Always-on USB connector USB 3.0 connector ® Mini DisplayPort connector Power connector Bottom view Removable battery Emergency-reset hole Docking-station connector (on some models) Keyboard drainage holes Speakers ThinkPad T460 Hardware Maintenance Manual...
CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.
Table 9. Major FRUs FRU descriptions Self-service CRU Optional-service CRU LCD unit Keyboard bezel assembly Memory modules Coin-cell battery Fingerprint-reader card (on some models) Power-button card Wireless-LAN/Bluetooth card Wireless-WAN card Hard disk drive or solid-state drive Removable battery ThinkPad T460 Hardware Maintenance Manual...
Page 53
Table 9. Major FRUs (continued) FRU descriptions Self-service CRU Optional-service CRU SIM card (on some models) SIM-card tray Base cover assembly Smart card reader (on some models) Smart card reader cable (on some models) Speaker assembly Built-in battery System board Thermal fan assembly USB card USB card cable...
Power cord Connector and cable guide This section provides information for Lenovo authorized service technicians to help identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs and CRUs” on page 46 and “LCD FRUs” on page 48.
Page 57
Table 13. System board (continued) No. Connector/feature Internal cable required Memory module connector None. Integrated Docking-station connector None. Integrated ac power connector None. Integrated LCD connector LCD cable assembly, connects to the Windows button board, LCD module, ThinkPad logo LED (on the A-cover), and ambient light sensor card USB 3.0 connector None.
Page 58
Fingerprint card connector and cable Table 14. Fingerprint card connector and cable No. Connector/feature Internal cable required Fingerprint reader connector Fingerprint reader cable (contained in the base cover miscellaneous kit), connects to the fingerprint reader assembly) ThinkPad T460 Hardware Maintenance Manual...
Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup Chapter 7 Locations...
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.
ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site.
ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site.
Page 64
1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer. 2. From the main menu, select 6. Set ECA Information. 3. To write the ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction;...
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.
1020 Removable battery Important notices for replacing a removable battery Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. ThinkPad T460 Hardware Maintenance Manual...
Page 67
If the Lenovo Solution Center program is not installed on the computer, the customer should download and install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note that the replacement of a physically damaged battery is not covered by the warranty.
“1020 Removable battery” on page 60 Removal steps of the keyboard Find the keyboard multi-tool in the shipping package of the new keyboard. Use the flat end of the multi-tool to remove the rubber stoppers. ThinkPad T460 Hardware Maintenance Manual...
Page 69
To reveal the screw heads beneath the keyboard frame, use the flat end of the multi-tool to slide the keyboard forward by 2.5 mm (0.1 inch). Note: Do not press or hold the keys while sliding the keyboard frame, otherwise the keyboard frame cannot be moved.
60. For access, remove these FRUs: • “1010 SIM card and SIM-card tray” on page 60 • “1020 Removable battery” on page 60 Removal steps of the base cover assembly 1. Loosen the screws ThinkPad T460 Hardware Maintenance Manual...
Page 71
2. Gently lift up the sides of the base cover assembly from the contact areas following the numerical order from . Then slightly push the base-cover bridge to the rear of the computer, and lift up the contact areas from 3.
“1040 Base cover assembly” on page 64 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. ThinkPad T460 Hardware Maintenance Manual...
Page 73
• Before removing the drive, have the user make a backup copy of all the information on it if possible. • Never remove the drive while the system is operating or in suspend mode. Removal steps of the hard disk drive or the solid-state drive Torque Step Screw (quantity)
60. For access, remove these FRUs in order: • “1010 SIM card and SIM-card tray” on page 60 • “1020 Removable battery” on page 60 • “1040 Base cover assembly” on page 64 ThinkPad T460 Hardware Maintenance Manual...
Removal steps of the Wireless-LAN/Bluetooth card Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) When installing: Plug the gray cable into the connector labeled MAIN or 1 on the card, and plug the black cable into the connector labeled AUX or 2 on the card.
The only exception to this is if the battery is physically damaged or a customer is reporting a possible safety issue. If the Lenovo Solution Center program is not installed on the computer, the customer should download and install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note that the replacement of a physically damaged battery is not covered by the warranty.
Removal steps of the built-in battery DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. Torque Step Screw (quantity) Color M2 × 3 mm, small-head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) 1100 Coin-cell battery Note: Before you start the servicing, disable the built-in battery.
For access, remove these FRUs in order: • “1010 SIM card and SIM-card tray” on page 60 • “1020 Removable battery” on page 60 • “1040 Base cover assembly” on page 64 Removal steps of the dc-in cable assembly ThinkPad T460 Hardware Maintenance Manual...
Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector of the dc-in cable is attached firmly. 1120 Thermal fan assembly Note: Before you start the servicing, disable the built-in battery. See “Disabling the built-in battery” on page 60.
Page 80
Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For the new thermal fan assembly, you must peel the thin film off from the rubbers. For integrated-graphics models ThinkPad T460 Hardware Maintenance Manual...
• For discrete-graphics models 1130 USB card Note: Before you start the servicing, disable the built-in battery. See “Disabling the built-in battery” on page 60. For access, remove these FRUs: • “1010 SIM card and SIM-card tray” on page 60 •...
“1020 Removable battery” on page 60 • “1040 Base cover assembly” on page 64 • “1090 Built-in battery” on page 70 • “1140 Speaker assembly” on page 82 Removal steps of the smart card reader and smart card reader cable ThinkPad T460 Hardware Maintenance Manual...
Page 83
Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector of the smart card reader is attached firmly. Chapter 9 Removing or replacing a FRU...
“1020 Removable battery” on page 60 • “1040 Base cover assembly” on page 64 Removal steps of the LCD unit Step Screw (quantity) Color Torque 0.392 Nm M2.5 × 4 mm, flat-head, nylon-coated (4) Silver (4.0 kgf-cm) ThinkPad T460 Hardware Maintenance Manual...
Page 85
Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: • Ensure that the connectors are attached firmly. • Route the cables as shown in step 8. Ensure that the cables are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
Accelerometer chip for the hard disk drive Active Protection System Microprocessor and Platform Controller Hub (PCH) Graphics chip Note: The graphics chip is only for discrete-graphics models. ThinkPad T460 Hardware Maintenance Manual...
Page 87
Removal steps of the system board Chapter 9 Removing or replacing a FRU...
Removal steps of the speaker assembly Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 4.6 mm, big head, nylon-coated (4) (1.85 kgf-cm) When installing: • Ensure that the connector of the speaker assembly is attached firmly. • Route the cables as shown in the following illustration. Attention: As you route the cables, ensure that they are not subject to any tension.
Page 90
“1160 LCD unit” on page 78 • “1170 System board” on page 80 Removal steps of the fingerprint-reader card Step Screw (quantity) Color Torque M2 × 2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) ThinkPad T460 Hardware Maintenance Manual...
1190 Power-button card Note: Before you start the servicing, disable the built-in battery. See “Disabling the built-in battery” on page 60. For access, remove these FRUs in order: • “1010 SIM card and SIM-card tray” on page 60 • “1020 Removable battery” on page 60 •...
For access, remove these FRUs in order: • “1010 SIM card and SIM-card tray” on page 60 • “1020 Removable battery” on page 60 • “1040 Base cover assembly” on page 64 • “1160 LCD unit” on page 78 ThinkPad T460 Hardware Maintenance Manual...
Removal steps of the LCD-panel cover assembly When installing: Ensure that the connector of the LCD cable is attached firmly. 2030 LCD hinges and LCD cable Note: Before you start the servicing, disable the built-in battery. See “Disabling the built-in battery” on page 60.
• “1040 Base cover assembly” on page 64 • “1160 LCD unit” on page 78 Removal steps of the camera/microphone module, camera module, or microphone module When installing: Ensure that the connector is attached firmly. ThinkPad T460 Hardware Maintenance Manual...
2050 Camera/microphone-module cable, camera-module cable, or microphone-module cable Note: Before you start the servicing, disable the built-in battery. See “Disabling the built-in battery” on page 60. For access, remove these FRUs in order: • “1010 SIM card and SIM-card tray” on page 60 •...
• “2020 LCD panel, LCD cable and LCD-panel cover assembly” on page 88 • “2030 LCD hinges and LCD cable” on page 89 • “2040 Camera/microphone module, camera module, or microphone module” on page 90 • “2050 Camera/microphone-module cable, camera-module cable, or microphone-module cable” on page 91 ThinkPad T460 Hardware Maintenance Manual...
Page 99
Removal steps of the wireless-LAN/WAN antenna assembly or wireless-LAN antenna, WiGig module, and LCD rear-cover assembly Chapter 9 Removing or replacing a FRU...
Page 100
Attention: As you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Antenna locations Wireless-LAN main antenna (grey) Wireless-WAN main antenna (orange) Wireless-WAN auxiliary antenna (blue) Wireless-LAN auxiliary antenna (black) WiGig module ThinkPad T460 Hardware Maintenance Manual...
Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Active Protection System Lenovo ThinkPad TrackPoint Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies.