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Abbreviation

Term

radio frequency

RFID

radio-frequency identification

ring indicator

registered jack

SATA

Serial Advanced Technology Attachment

SIM

subscriber identity module

SVP

supervisor password

TFTs

thin-film transistors

UEFI

Unified Extensible Firmware Interface

USB

Universal Serial Bus

UUID

universally unique identifier

VGA

video graphics array

VRAM

video random-access memory

WAN

wide area network

108

ThinkPad L460 Hardware Maintenance Manual

Summary of Contents for THINKPAD L460

Page 1: ...ThinkPad L460 Hardware Maintenance Manual ...

Page 2: ...er Appendix A Notices on page 105 First Edition January 2016 Copyright Lenovo 2016 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ...he Windows 10 operating system 30 Resetting your computer 30 Using advanced startup options 30 Recovering your operating system if Windows 10 fails to start 31 Creating and using a recovery USB drive 31 Passwords 32 Power on password 32 Hard disk password 32 Supervisor password 32 How to remove the power on password 32 How to remove the hard disk password 33 Power management 33 Screen blank mode f...

Page 4: ...86 1160 Thermal fan assembly 88 1170 I O bracket 89 1180 Smart card bracket 91 1190 System board and subcards 92 1200 Smart card and smart card cable or smart card dummy door 95 1210 Keyboard bezel assembly 96 2010 LCD bezel sheet 97 2020 LCD panel 97 2030 Camera microphone module camera module or microphone module 99 2040 LCD hinges 100 2050 LCD cable 101 2060 Wireless LAN WAN antenna assembly or...

Page 5: ...leshoot problems Important This manual is intended only for trained service technicians who are familiar with ThinkPad products Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing a ThinkPad product be sure to read all the information under Chapter 1 Safety information on page 1 and Chapter 2 Important service information on page 19 Copyri...

Page 6: ...iv ThinkPad L460 Hardware Maintenance Manual ...

Page 7: ...r toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip about 8 centimeters 3 inches from the end Do n...

Page 8: ...ty sections of maintenance information Use extreme care when measuring high voltages Regularly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check that it has been powered off Always look carefully for possible hazards in your work area Examples of these h...

Page 9: ... frayed or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Prote...

Page 10: ...lectrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices multilingual translations The safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese DA...

Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...

Page 12: ...6 ThinkPad L460 Hardware Maintenance Manual ...

Page 13: ...PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information 7 ...

Page 14: ...PERIGO PERIGO PERIGO PERIGO DANGER 8 ThinkPad L460 Hardware Maintenance Manual ...

Page 15: ...DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...

Page 16: ...DANGER VORSICHT VORSICHT VORSICHT VORSICHT 10 ThinkPad L460 Hardware Maintenance Manual ...

Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...

Page 18: ...12 ThinkPad L460 Hardware Maintenance Manual ...

Page 19: ...Chapter 1 Safety information 13 ...

Page 20: ...14 ThinkPad L460 Hardware Maintenance Manual ...

Page 21: ...Chapter 1 Safety information 15 ...

Page 22: ...16 ThinkPad L460 Hardware Maintenance Manual ...

Page 23: ...Chapter 1 Safety information 17 ...

Page 24: ...18 ThinkPad L460 Hardware Maintenance Manual ...

Page 25: ...egy for replacing FRUs Before replacing parts Ensure that all software fixes drivers and UEFI BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest UEFI BIOS is loaded to the system board before completing the service action To download software fixes drivers and UEFI BIOS go to http www lenovo com ThinkPadDrivers and f...

Page 26: ...ovides 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 The model is CTO1 and the default country code is WW example 20AACTO1WW Special bid model T...

Page 27: ...for a product The FRU list is a general list of components and does not contain specific model information To get the general FRU list for a product do the following 1 Go to http www lenovo com support 2 Follow the instructions on the screen to select a product 3 Click the Product Parts tab 4 Select System Service Parts to view a general FRU list Chapter 2 Important service information 21 ...

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Page 29: ...e failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU What to d...

Page 30: ...kPad notebook computers Note The diagnostic tests are intended to test only ThinkPad products The use of non ThinkPad products prototype cards or modified options can lead to false indications of errors and invalid system responses 1 Identify the failing symptoms in as much detail as possible 2 Verify the symptoms Try to re create the failure by running the diagnostic test or by repeating the oper...

Page 31: ... program do the following 1 Turn on the computer If the computer cannot be turned on go to Power system checkout on page 26 and check the power sources If an error code is displayed go to Symptom to FRU index on page 35 for error code descriptions and troubleshooting hints 2 When the logo screen is displayed repeatedly press and release the F10 key The main screen of the UEFI diagnostic program is...

Page 32: ... 26 and check the power sources If an error code is displayed go to Symptom to FRU index on page 35 for error code descriptions and troubleshooting hints 2 Connect an external optical drive to the computer and insert the CD into the optical drive 3 Restart the computer 4 When the logo screen is displayed repeatedly press and release the F12 key When the Boot Menu window opens release the F12 key 5...

Page 33: ...a defect Checking the external battery pack and the operational charging Checking the external battery pack This computer 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 If an unauthorized battery or a battery designed for another system...

Page 34: ...r to ac power to charge the battery pack If the battery status icon in the Windows notification area indicates that the battery pack is not charging remove the battery pack and let it return to room temperature 3 Reinstall the battery pack If the battery pack is still not charging replace the battery pack 4 Check the battery status icon again If the same error still exists replace the system board...

Page 35: ...very process Applications and Drivers Recovery Disc one or more discs This disc restores the preinstalled applications and drivers on the computer Supplemental Recovery Disc This disc contains additional content such as updates to the software that was preinstalled on the computer Not all recovery disc sets come with a Supplemental Recovery Disc Notes You must have a DVD drive to use the recovery ...

Page 36: ...he ThinkPad Setup program Note After restoring a drive to the factory default settings you might need to reinstall some device drivers Recovery overview for the Windows 10 operating system The Windows recovery programs enable you to reset your computer or use advanced startup options It is recommended that you create a recovery USB drive as early as possible Store the recovery USB drive as a backu...

Page 37: ...t least 16 GB of storage The actual USB capacity that is required depends on the size of the recovery image Attention The creation process deletes anything stored on the USB drive To avoid data loss make a backup copy of all the data that you want to keep To create a recovery USB drive do the following Note Ensure that your computer is connected to ac power during the following process 1 Connect a...

Page 38: ...er hard disk password has been forgotten check whether a master hard disk password has been set 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 ...

Page 39: ...ard disk password has been forgotten and cannot be made available to the service technician neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard disk passwords or to recover data from the hard disk drive 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...

Page 40: ...lan settings When the battery power is low Hibernation mode In hibernation mode the following occurs The system status random access memory RAM video random access memory VRAM and setup data are stored on the hard disk drive or solid state drive The system is powered off Note If the computer enters the hibernation mode while it is docked to the docking station or the port replicator do not undock ...

Page 41: ...ent problems on page 38 Note For a device not supported by diagnostic codes in the ThinkPad notebook computers see the manual for that device Numeric error codes Table 2 Numeric error codes Symptom or error FRU or action in sequence 0177 Bad SVP data stop POST task The checksum of the supervisor password in the EEPROM is not correct Replace the system board 0183 Bad CRC of Security Settings in EFI...

Page 42: ...system board 2101 Detection error on SSD1 M 2 1 Reseat the M 2 solid state drive 2 Replace the solid state drive 3 Replace the system board 2102 Detection error on SSD2 M 2 1 Reseat the M 2 solid state drive 2 Replace the solid state drive 3 Replace the system board 2110 Read error on HDD0 Main HDD 1 Reseat the hard disk drive 2 Replace the main hard disk drive 3 Replace the system board 2111 Read...

Page 43: ... board Five short beeps Replace the system board One long and two short beeps Replace the system board Three short beeps pause one short beep pause one more short beep pause and three short beeps 3 1 1 3 beeps Have the computer serviced Five short beeps pause five more short beeps and pause Replace the system board No beep symptoms Table 5 No beep symptoms Symptom or error FRU or action in sequenc...

Page 44: ... LCD Replace the LCD unit Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRU replacement should be considered only when a problem recurs When analyzing an intermittent problem do the following 1 Run the diagnostic test for the system board in...

Page 45: ...puter 5 Determine whether the problem has been solved 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 Chapter 4 Related service information 39 ...

Page 46: ...40 ThinkPad L460 Hardware Maintenance Manual ...

Page 47: ...that show the status of the computer 2 3 4 5 6 Table 7 Status indicators Indicator Meaning 1 Speaker mute indicator On The speakers are muted 2 Microphone mute indicator On The microphones are muted 3 Camera status indicator On The camera is in use Copyright Lenovo 2016 41 ...

Page 48: ...ff or in hibernation mode 5 Fn Lock indicator Off The Fn Lock function is disabled To initiate the special function printed as an icon on each key press the corresponding function key directly To input F1 F12 press the Fn key and the corresponding function key On The Fn Lock function is enabled To input F1 F12 press the corresponding function key directly To initiate the special function printed a...

Page 49: ... 10 Opens the Settings window For Windows 7 Opens Windows Search For Windows 10 Opens the Cortana search box Views the programs that you have opened For Windows 7 Opens Computer For Windows 10 Views all the programs Fn Esc You can configure the Fn key and function keys in the Keyboard Properties window by doing the following 1 Go to Control Panel Change the view of Control Panel from Category to L...

Page 50: ...l function printed as an icon on each function key press the Fn key and the corresponding function key Fn B Has the same function as the Break key on a conventional keyboard Fn P Has the same function as the Pause key on a conventional keyboard Fn S Has the same function as the SysRq key on a conventional keyboard Fn K Has the same function as the ScrLK key on a conventional keyboard 44 ThinkPad L...

Page 51: ...and indicators Front view 12 13 11 10 1 2 2 3 4 5 6 7 8 9 1 Camera available on some models 2 Microphones available on some models 3 Power button 4 Security lock slot 5 VGA connector 6 Ethernet connector 7 Mini DisplayPort connector 8 USB 3 0 connectors 9 SIM card slot available on some models 10 Fingerprint reader available on some models 11 Trackpad 12 TrackPoint buttons 13 TrackPoint pointing s...

Page 52: ... 2 Audio connector 3 Always On USB 3 0 connector 4 Fan louvers 5 ac power connector Bottom view 1 2 3 3 4 1 External battery pack 2 Docking station connector available on some models 3 Speakers 4 Keyboard drainage holes 46 ThinkPad L460 Hardware Maintenance Manual ...

Page 53: ...rdware Maintenance Manual An electronic version of this manual can be found at http www lenovo com support Follow the on screen instructions to find the manual for your product You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might...

Page 54: ...e Depending on the computer model the keyboard bezel assembly 2 of your computer might look different from the illustration above Table 9 Major FRUs and CRUs No FRU description Self service CRU Optional service CRU 1 LCD unit No No 2 Keyboard bezel assembly No No 48 ThinkPad L460 Hardware Maintenance Manual ...

Page 55: ...ase cover assembly Yes No 19 Keyboard rubbers No No 20 Coin cell battery Yes No 21 Wireless WAN card Yes No 22 Wireless LAN card Yes No 23 Smart card bracket No No 24 Smart card cable No No 25 Smart card No No 26 Smart card dummy door No No 27 USB and audio board No No 28 Thermal fan assembly No No 29 dc in cable No No 30 Keyboard No 31 TrackPoint cap OP No No Available on some models Note The Len...

Page 56: ...1 LCD bezel sheet No No 2 Camera microphone module camera module or microphone module available on some models No No 3 LCD panel No No 4 Wireless LAN WAN antenna assembly or wireless LAN antenna No No 5 LCD hinges No No 6 LCD rear cover assembly No No 7 LCD cable No No 50 ThinkPad L460 Hardware Maintenance Manual ...

Page 57: ...eaker rubber Sponge No No 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 48 and LCD FRUs on page 50 Note Depending on your model some connectors or cables might not be available Chapter 7...

Page 58: ...rectly to this connector 2 Docking connector internal No Connect the supported docking station directly to this connector 3 dc in connector internal dc in cable The power connector of the computer comes with the dc in cable Connect the cable to this connector 4 Thermal fan connector internal Thermal fan assembly cable The thermal fan assembly comes with cable Connect the cable to this connector 52...

Page 59: ... internal No Insert the wireless LAN card into this slot 14 Fingerprint reader connector internal Fingerprint reader card cable Connect one end to the fingerprint reader card and the other end to this connector 15 USB 3 0 connector external No Connect USB compatible devices to this connector 16 USB 3 0 connector external No Connect USB compatible devices to this connector 17 Mini DisplayPort conne...

Page 60: ...r 3 Audio connector external No Connect headphones or a headset with 3 5 mm 0 14 inch 4 pole plug to the audio connector VGA board connectors and cables 1 2 Table 14 VGA board connector No Connector feature Internal cable required Cable connection 1 VGA connector external No Connect a compatible projector external monitor or high definition television to this connector 2 VGA board connector intern...

Page 61: ...d connector internal Smart card cable Connect one end to the system board and the other end to this connector 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 55 ...

Page 62: ...56 ThinkPad L460 Hardware Maintenance Manual ...

Page 63: ...your product You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty 30 days of your receipt of the replacement CRU See your Lenovo Limite...

Page 64: ...d the serial number of the system unit on the bottom of the computer try the following method to get the number Note Before you perform the operation ensure that the UEFI Legacy setting within the Startup menu in the 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 cre...

Page 65: ...ype 2 under Enter the action desired then press Enter The Auto UUID generation utility interface is displayed 6 Type y under Change UUID OK Y N then press Enter A new UUID is created and written If a valid UUID already exists it is not overwritten Reading or writing the ECA information Information on Engineering Change Announcements ECA is stored in the EEPROM of the system board The electronic st...

Page 66: ...Write ECA rework number from EEPROM and follow the instruction To write box build date select 4 Write box build date from EEPROM and follow the instruction on the screen If the system board is being replaced try to read the ECA information from the old system board and transfer the information to the new system If the system board is inoperable this will not be possible 60 ThinkPad L460 Hardware M...

Page 67: ...g general guidelines 1 Do not try to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review Chapter 8 FRU replacement notices on page 57 3 Begin by removing any FRUs that have to be removed before replacing the failing FRU Any such FRUs are listed at the beginning of each FRU replacement section Remove t...

Page 68: ...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 pack before getting a non physically damaged battery pack replaced Note that the replacement of a physically damaged battery pack is not covered by the warranty Removal steps of t...

Page 69: ...ch the battery 4 from the base cover on the right 2 3 4 Remove the battery 5 5 1030 Keyboard rubbers For access remove this FRU 1020 External battery pack on page 62 Removal steps of the keyboard rubbers Obtain a keyboard multi tool Chapter 9 Removing or replacing a FRU 63 ...

Page 70: ...s Note Depending on the computer model your computer might look different from the following illustration 1 1040 Keyboard For access remove these FRUs in order 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 64 ThinkPad L460 Hardware Maintenance Manual ...

Page 71: ... heads beneath the keyboard frame are exposed Note Do not press or hold the keys while sliding the keyboard frame Otherwise the keyboard frame cannot be moved 1 Use the cross end of the keyboard multi tool to loosen the screws 2 Pivot the keyboard slightly upward as shown by the arrow 3 until you can see the connectors on the bottom side of the keyboard Then turn over the keyboard as shown by the ...

Page 72: ...t the keyboard on the palm rest and detach the connectors Then remove the keyboard 8 9 6 7 5 When installing Attach the connectors and then turn over the keyboard 66 ThinkPad L460 Hardware Maintenance Manual ...

Page 73: ...nt edge of the keyboard is under the frame of the keyboard bezel 7 7 Ensure that the screw heads are completely exposed Otherwise reveal the screw heads by sliding the keyboard frame forward with the flat end of the keyboard multi tool Chapter 9 Removing or replacing a FRU 67 ...

Page 74: ...keyboard frame backward by 2 5 mm 0 1 inch with the flat end of the keyboard multi tool to hide the latches of the keyboard frame under the keyboard bezel Note Do not press and hold the keys while sliding the keyboard frame Otherwise the keyboard frame cannot be moved 68 ThinkPad L460 Hardware Maintenance Manual ...

Page 75: ...d frame and the keys to push the keyboard frame backward Ensure that there is no gap between the keyboard frame and keyboard bezel Note Do not press and hold the keys while sliding the keyboard frame Otherwise the keyboard frame cannot be moved 11 Chapter 9 Removing or replacing a FRU 69 ...

Page 76: ... battery pack on page 62 1030 Keyboard rubbers on page 63 Note Depending on the computer model your computer might look different from the illustrations in this topic Removal steps of the base cover assembly Note Loosen the screws 1 The screws 1 cannot be removed 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 3 70 ThinkPad L460 Hardware Maintenance Manual ...

Page 77: ...everal kinds Apply those labels when you replace the base cover assembly For the labels that are not shipped with the new base cover assembly peel them from the old base cover assembly and adhere them to the new one The following illustration shows the location of each label Chapter 9 Removing or replacing a FRU 71 ...

Page 78: ...ty COA label 14 India BIS label 15 KCC label 16 KR safety label 17 Indonesia rating label 18 Non encryption label 19 China GEO label 20 GEO US label 21 WWAN label 22 Argentina CNC label 23 Indonesia POSTEL label 24 SLP label 25 Israel Homo WL BT 3G label 26 China WWAN label 27 China 3G WWAN label 28 China 3G LOGO WWAN label 29 Brazil Anatel WL BT 3G label 30 China TELCOM label 31 ICASA label 32 WL...

Page 79: ...ver assembly on page 70 Removal steps of the docking bracket 1 1 1 Step Screw quantity Color Torque 1 M2 5 mm flat head nylon coated 3 Black 0 181 Nm 1 85 kgf cm 2 3 Removal steps of the docking dummy door When installing Ensure that the docking dummy door is firmly attached Chapter 9 Removing or replacing a FRU 73 ...

Page 80: ...tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 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 Before removing the drive have the user make a backup copy of all the information on it if possible Never re...

Page 81: ...ed 1 Black 0 181 Nm 1 85 kgf cm 2 When installing Ensure that the hard disk drive or solid state drive is firmly attached 1090 Wireless LAN card For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 Chapter 9 Removing or replacing a FRU 75 ...

Page 82: ... 1050 Base cover assembly on page 70 Removal steps of the Wireless LAN card 1 76 ThinkPad L460 Hardware Maintenance Manual ...

Page 83: ...2 3 Step Screw quantity Color Torque 3 M2 3 mm flat head nylon coated 1 Black 0 181 Nm 1 85 kgf cm Chapter 9 Removing or replacing a FRU 77 ...

Page 84: ...black cable into the connector labeled Aux on the card 1100 Wireless WAN card For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 78 ThinkPad L460 Hardware Maintenance Manual ...

Page 85: ...Removal steps of the wireless WAN card 1 Chapter 9 Removing or replacing a FRU 79 ...

Page 86: ...2 2 3 Step Screw quantity Color Torque 3 M2 3 mm flat head nylon coated 1 Black 0 181 Nm 1 85 kgf cm 80 ThinkPad L460 Hardware Maintenance Manual ...

Page 87: ... the blue cable into the connector labeled AUX on the card 1110 Memory module For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 Chapter 9 Removing or replacing a FRU 81 ...

Page 88: ...in firmly and pivot it downward until it snaps into place Ensure that the memory module is firmly installed in the slot and does not move easily 1120 Speaker assembly For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 82 ThinkPad L460 Hardware Maintenance Manual ...

Page 89: ...n installing Ensure that the speaker rubbers are well installed 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 Tension could cause the cables to be damaged by the cable guides or a wire to be broken Chapter 9 Removing or replacing a FRU 83 ...

Page 90: ...ry specified for your computer Any other battery could ignite or explode Removal steps of the coin cell battery 1 2 When installing Ensure that the connector of the coin cell battery is attached firmly 1140 LCD unit For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 84 ThinkP...

Page 91: ...2 1 4 5 6 6 6 6 6 6 6 8 8 7 7 7 7 Step Screw quantity Color Torque 7 M2 5 6 mm flat head nylon coated 4 Black 0 294 Nm 3 0 kgf cm 8 M2 5 mm flat head nylon coated 2 Silver 0 181 Nm 1 85 kgf cm Chapter 9 Removing or replacing a FRU 85 ...

Page 92: ... Tension could cause the cables to be damaged by the cable guides or a wire to be broken 1150 dc in cable For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 86 ThinkPad L460 Hardware Maintenance Manual ...

Page 93: ...dc in cable 2 1 1 Step Screw quantity Color Torque 1 M2 5 6 mm flat head nylon coated 2 Black 0 294 Nm 3 0 kgf cm 2 M2 5 mm flat head nylon coated 1 Silver 0 181 Nm 1 85 kgf cm 3 4 5 Chapter 9 Removing or replacing a FRU 87 ...

Page 94: ...External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 Removal steps of the thermal fan assembly Notes Loosen the screws 3 in ascending alphabetical order as illustrated The screws 3 cannot be removed The screws 3e 3f and 3g are available only on some computer models 1 3d 3a 3c 3e 3b 3f 3g 2 88 ThinkPad L460 Hardware Maintenance Manual ...

Page 95: ...o 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 a For discrete graphics models a b 1170 I O bracket For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page ...

Page 96: ...rew quantity Color Torque 1 M2 5 6 mm flat head nylon coated 2 Black 0 294 Nm 3 0 kgf cm 2 M2 5 mm flat head nylon coated 3 Silver 0 181 Nm 1 85 kgf cm 3 Use the hex bit socket to remove the hexagonal screws 90 ThinkPad L460 Hardware Maintenance Manual ...

Page 97: ...et is attached firmly 1180 Smart card bracket For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 1130 Coin cell battery on page 84 1120 Speaker assembly on page 82 Chapter 9 Removing or replacing a FRU 91 ...

Page 98: ...applied Note Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6000 G s of shock Be careful not to drop the system board on a bench top that has a hard surface such as metal wood or composite Avoid rough handling of any kind At every point in the process be sure not to drop or stack the system board If y...

Page 99: ...y on page 84 1180 Smart card bracket on page 91 1160 Thermal fan assembly on page 88 1170 I O bracket on page 89 Attention The following components soldered on the top side of the system board are extremely sensitive When you service the system board avoid any kind of rough handling For models with a discrete thermal module a Microprocessor b Graphics Processing Unit GPU a b For models with an int...

Page 100: ...Removal steps of the system board 6 5 2 1 11 3 4 7 7 7 7 Step Screw quantity Color Torque 7 M2 3 mm big head nylon coated 4 Black 0 181 Nm 1 85 kgf cm 8 94 ThinkPad L460 Hardware Maintenance Manual ...

Page 101: ...t card and smart card cable or smart card dummy door For access remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 1130 Coin cell battery on page 84 1180 Smart card bracket on page 91 1190 System board and subcards on page 92 Chapter 9 Removing or replacing a FRU 95 ...

Page 102: ...2 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1040 Keyboard on page 64 1050 Base cover assembly on page 70 1080 Hard disk drive or solid state drive on page 74 1090 Wireless LAN card on page 75 1100 Wireless WAN card on page 78 1110 Memory module on page 81 1120 Speaker assembly on page 82 1130 Coin cell battery on page 84 96 ThinkPad L460 Hardware Maintenance Manual ...

Page 103: ...ards on page 92 1200 Smart card and smart card cable or smart card dummy door on page 95 2010 LCD bezel sheet For access remove this FRU 1140 LCD unit on page 84 Removal steps of the LCD bezel sheet When installing Ensure that all the latches are attached firmly 2020 LCD panel For access remove these FRUs in order 1140 LCD unit on page 84 Chapter 9 Removing or replacing a FRU 97 ...

Page 104: ...tity Color Torque 1 M2 3 mm flat head nylon coated 4 Black 0 181 Nm 1 85 kgf cm 4 3 When installing 1 Insert the bottom edge of the LCD panel at an angle of about 30 degrees 2 Install the LCD panel Ensure that all the latches are attached firmly 98 ThinkPad L460 Hardware Maintenance Manual ...

Page 105: ...e or microphone module For access remove these FRUs in order 1140 LCD unit on page 84 2010 LCD bezel sheet on page 97 Removal steps of the camera microphone module camera module or microphone module 1 2 Chapter 9 Removing or replacing a FRU 99 ...

Page 106: ...s remove these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 1140 LCD unit on page 84 2010 LCD bezel sheet on page 97 2020 LCD panel on page 97 Removal steps of the LCD hinges 1 1 1 1 1 1 1 1 2 2 2 2 2 2 100 ThinkPad L460 Hardware Maintenance Manual ...

Page 107: ...move these FRUs in order 1010 SIM card tray on page 62 1020 External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 1140 LCD unit on page 84 2010 LCD bezel sheet on page 97 2020 LCD panel on page 97 Removal steps of the LCD cable 2 2 2 2 1 Chapter 9 Removing or replacing a FRU 101 ...

Page 108: ... External battery pack on page 62 1030 Keyboard rubbers on page 63 1050 Base cover assembly on page 70 1140 LCD unit on page 84 2010 LCD bezel sheet on page 97 2020 LCD panel on page 97 2040 LCD hinges on page 100 Removal steps of the wireless LAN WAN antenna assembly or wireless LAN antenna and LCD rear cover assembly 1 1 1 1 102 ThinkPad L460 Hardware Maintenance Manual ...

Page 109: ...es 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 b c d a Antenna locations a Wireless LAN main antenna grey b Wireless WAN main antenna orange c Wireless WAN auxiliary antenna blue Chapter 9 Removing or replacing a FRU 103 ...

Page 110: ...d Wireless LAN auxiliary antenna black 104 ThinkPad L460 Hardware Maintenance Manual ...

Page 111: ...e publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Len...

Page 112: ... of Lenovo in the United States other countries or both Active Protection System Lenovo ThinkPad ThinkPad logo TrackPoint Microsoft Windows Windows Server and Cortana are trademarks of the Microsoft group of companies DisplayPort Mini DisplayPort mDP and VESA are trademarks of the Video Electronics Standards Association Other company product or service names may be the trademarks or service marks ...

Page 113: ...ROM Electrically Erasable Programmable Read Only Memory EFI Extensible Firmware Interface EPO emergency power off ESD electrostatic discharge EU European Union FCC Federal Communications Commission FRU Field Replaceable Unit GAV General Announce Variant GPU graphics processing unit HDD hard disk drive HDMI high definition multimedia interface ICs integrated circuits ICCID integrate circuit card id...

Page 114: ... Technology Attachment SIM subscriber identity module SVP supervisor password TFTs thin film transistors UEFI Unified Extensible Firmware Interface USB Universal Serial Bus UUID universally unique identifier VGA video graphics array VRAM video random access memory WAN wide area network 108 ThinkPad L460 Hardware Maintenance Manual ...

Page 115: ......

Page 116: ...Part Number SP40J65964 Printed in China 1P P N SP40J65964 1PSP40J65964 ...

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