Lenovo ThinkPad E450c (English) Hardware Maintenance Manual - ThinkPad E450, E
Lenovo ThinkPad E450c Manual
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- Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 1
Hardware Maintenance Manual ThinkPad E450, E455, and E450c - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 2
and the product it supports, be sure to read the general information under Appendix A "Notices" on page 93. Third Edition (January 2015) © Copyright Lenovo 2014, 2015. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration "GSA" contract - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 3
and Recovery workspace . 32 Creating and using a rescue medium . . . . 33 Reinstalling preinstalled applications and device drivers 34 © Copyright Lenovo 2014, 2015 Solving recovery problems 35 Recovery overview for the Windows 8.1 operating system 35 Refreshing your computer 35 Resetting your - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 4
a FRU 63 General guidelines 63 Before servicing the computer 64 Disconnect the battery 64 1010 Lenovo OneLink connector cover . . . . 72 1100 USB/audio card 73 1110 ThinkPad-logo-LED card 73 1120 System board, dc-in support bracket, and thermal fan assembly 74 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 5
This manual contains service and reference information for the following ThinkPad® products. ThinkPad E450 ThinkPad E455 ThinkPad E450c Machine type (MT) 20DC and 20DD Machine type (MT) 20DE Machine type (MT) 20EH Use this manual along with the advanced diagnostic tests to troubleshoot problems - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 6
iv Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 7
you need to be familiar with before you service a ThinkPad notebook computer. • "General safety" on page 1 • "Electrical safety" on page 1 • "Safety inspection guide" on page 2 • "Handling devices that use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2014, 2015 1 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 8
high voltages; Instructions for these precautions machine damage. • Do not service the following parts with the power Safety inspection guide The purpose of this inspection guide is to assist service technicians from injury. This guide ThinkPad features or options not covered by this inspection guide - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 9
following checklist at the beginning of every service task. Begin the checks with the specified for your computer. Go to: http://www.lenovo.com/serviceparts-lookup c. Insulation must not be frayed obvious non-ThinkPad alterations. Use good judgment as to the safety of any non-ThinkPad alterations. 7. - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 10
this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 11
DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 12
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PERIGO PERIGO PERIGO PERIGO Chapter 1. Safety information 7 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 14
PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 15
DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 9 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 16
DANGER VORSICHT VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 17
VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 18
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Chapter 1. Safety information 13 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 20
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Chapter 1. Safety information 15 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 22
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Chapter 1. Safety information 17 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 24
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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 follow the instructions on the screen - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 26
computer you are servicing. Otherwise, the mSATA solid-state drive will not function correctly. For instructions on how to partition an mSATA solid-state drive, go tohttp://www.lenovo.com/support/msata-fru. MT, a 4-character model, and an alphabetic 2-character country 20 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 27
, do the following: 1. Go to http://www.lenovo.com/support. 2. Click Warranty & Services. 3. Click Check Warranty Status. 4. On the Warranty 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. 4. Click - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 28
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do first" on page 23 • "Checkout guide" on page 24 - "Lenovo Solution Center" on page 24 - "Quick the drives in the computer that you are servicing might have been altered. If you select an software errors. Consider replacing a FRU only when a problem recurs. If you suspect that a FRU is defective, - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 30
the diagnostic test or by repeating the operation. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information collection, security status, and support information, along with hints and tips for - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 31
the instructions on the screen to start the test. When a problem is detected, information messages are displayed. Refer to the messages to troubleshoot the problem. servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 32
lenovo.com/diags. 2. Click Lenovo Bootable Diagnostics. 3. Follow the instructions and troubleshooting hints. 3. When the ThinkPad logo troubleshooting hints. 2. Insert the CD into the optical drive. 3. Restart the computer. 4. When the ThinkPad suspect a power problem, see the appropriate one - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 33
• If the power problem occurs only when the power adapter might differ from the one you are servicing. 3. If the voltage is not correct, replace the supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 34
voltage is not correct, replace the coin-cell battery. • If the coin-cell battery discharges quickly after replacement, replace the system board. 28 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - 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 instructions Drivers Recovery Disc (one or more discs): This disc restores the preinstalled applications and drivers The ThinkPad Setup - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 36
Next. If you do not agree with the terms and conditions, follow the instructions on the screen. 6. Click Yes in the displayed window to begin the operating system recovery process. 7. Insert the Applications and Drivers Recovery Disc when prompted and then click OK to begin the process of recovering - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 37
Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen. Using recovery media This section provides instructions have to reinstall device drivers for some devices. See "Reinstalling preinstalled applications and device drivers" on page 34 service information 31 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 38
operation This section provides instructions on how to perform a recovery operation using the Rescue and Recovery program. 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ the factory default settings to the C: partition and leave 32 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 39
Recovery workspace fails to open, see "Solving recovery problems" on page 35. 4. Do one of the drivers for some devices. See "Reinstalling preinstalled applications and device drivers instructions on how to create a rescue medium. 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 40
: When you reinstall device drivers, you are changing the current configuration of your computer. Reinstall device drivers only when it is necessary to correct a problem with your computer. To reinstall a device driver for a factory-installed device, do the following: 34 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 41
driver driver. driver file from the device subfolder. • In the subfolder for the device, look for the executable file (a file with the extension .exe). Double-click the file, and follow the instructions on the screen. Solving recovery problems ThinkPad ThinkPad troubleshoot and fix the problems - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 42
click Get started. 3. Follow the instructions on the screen to refresh your computer take several hours. 4. Follow the instructions on the screen to reset your Troubleshoot ➙ Advanced options. 3. Select a desired startup option, then follow the instructions by following the instructions on the screen. - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 43
recovery image. If you cannot start the computer, you can use recovery media to troubleshoot and fix the problems on your computer. It is recommended that you create recovery media as early as possible . 2. Select the recovery drive as the boot device. Chapter 4. Related service information 37 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 44
Troubleshoot any ThinkPad notebook computer . For instructions on how Lenovo nor Lenovo authorized service technicians provide any services service technician, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. 38 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 45
Remove the battery pack. For instructions on how to remove the battery pack, see "1130 Battery 9. Press F10 to save changes and exit the ThinkPad Setup program. How to remove the hard disk password the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 46
9. Press F10 to save changes and exit the ThinkPad Setup program. The user hard disk password and the master hard disk password have been removed. Power management taking any action to reenter operation mode. Hibernation mode In hibernation mode, the following occurs: 40 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 47
displayed, check the narrative descriptions of symptoms. If the symptom is not described there, go to "Intermittent problems" on page 44. Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device. Chapter 4. Related service information 41 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 48
and run ThinkPad Setup to reset the time and date. 1. Remove network card. 2. Replace the system board. Remove all but the reader that you set up for the authentication. Have the computer serviced. 1. Reseat the main hard disk drive. 3. Replace the system board. 42 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 49
Symptom or error Fan error. Thermal sensing error. This system does not support batteries that are not genuine Lenovo-made or authorized. The system will continue to boot, but may not charge system board. Replace the system board. Replace the system board. Chapter 4. Related service information 43 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 50
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: • This policy applies to all ThinkPad notebooks purchased on - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 51
are supported by Non-ThinkPad devices 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 assembly Chapter 4. Related service - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 52
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the status indicators that show the status of the computer. Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration. 4 1 2 3 F1 F4 5 6 key. On: The speakers are muted. On: The microphones are muted. © Copyright Lenovo 2014, 2015 47 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 54
or in hibernation mode. Slow blinking: The computer is in sleep mode. Fast blinking: The computer is entering sleep or hibernation mode. 48 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 55
Windows 8 and Windows 8.1: Opens the Search charm. Views the programs that you have opened. For Windows 7: Opens Computer. For Windows 8.1: Views all the programs. © Copyright Lenovo 2014, 2015 49 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 56
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, and indicators on your computer. Front view 12 1 14 3 4 13 10 12 11 5 6 7 8 9 1 Microphones 3 Screen 5 Lenovo OneLink connector 7 Ethernet connector 9 USB 3.0 connectors 11 ThinkPad® pointing device with TrackPoint buttons (available on some models) 13 Media-card slot 2 Camera 4 Power - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 58
connector 6 Battery 8 Speaker 10 Memory modules 1: Internal storage drive refers to the installed hard disk drive, solid-state drive, or hybrid drive. 52 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 59
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/support. Click Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the defective - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 60
Major FRUs 1 21 2 3 20 19 4 5 18 6 17 7 8 9 10 11 12 13 14 15 16 54 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 61
-in support bracket 7 System board 8 Memory module 9 ThinkPad-logo-LED card 10 Battery 11 Hinge support bracket 12 Wireless LAN antenna 13 Speaker assembly 14 Lenovo OneLink connector cap Self-service CRU No No No No Yes No No Yes No No No No No Yes No Yes Yes No No No Yes Optional service CRU No - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 62
4 LCD cover assembly 5 LCD/camera card/ThinkPad logo card combo cable 6 LCD module Miscellaneous service CRU No No No No No No Optional service CRU No No No No No No Self-service CRU No Optional service CRU No Self-service CRU Yes Yes Optional service CRU No No 56 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 63
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 57 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 64
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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/support. Click Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the defective - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 66
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 to the computer. 60 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 67
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 create a Maintenance key. Note: Only an authorized Lenovo service technician can access the - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 68
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your product in this Hardware Maintenance Manual. An electronic version of this manual is available for downloading at http://www.lenovo.com/support. You might be required to return the defective CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container will - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 70
this topic before servicing the computer. Disconnect the battery Before replacing any FRU, ensure that you have disconnected the battery by doing the following: 1. Loosen the screws 1 , and then remove the base cover 2 3 . 2 3 2 2 1 2. Disconnect the battery 4 . 4 1010 Lenovo OneLink connector - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 71
Note: Ensure that you reattach the connector cover to the Lenovo OneLink connector after finishing the servicing. 1020 DIMM door Removal steps of the DIMM door Loosen the screws 1 , and then remove the base cover 2 3 . 2 3 2 2 1 Step 1 Screw (quantity) M2 × 4 mm, flat-head, - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 72
: Ensure that the storage drive is firmly attached. 1040 Memory module For access, remove this FRU: • "1020 DIMM door" on page 65 66 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 73
Removal steps of the memory module 1 2 1 When installing: Insert the notched end of the memory module into the memory slot. Press the memory module 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. - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 74
other battery could ignite or explode. Removal steps of the coin-cell battery 2 1 When installing: Ensure that the connector is attached firmly. 68 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 75
(2) Color Black Torque 0.181 Nm (1.85 kgf-cm) Push hard in the direction as shown to unlatch the keyboard. Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration. 2 2 Chapter 9. Removing or replacing a FRU 69 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 76
keyboard as shown 4 . Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration. 2 2 Gently 8 1080 Keyboard bezel assembly For access, remove this FRU: • "1010 Lenovo OneLink connector cover" on page 64 • "1020 DIMM door" on page 65 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 77
, nylon-coated (4) Color Black Black Torque 0.181 Nm (1.85 kgf-cm) 0.181 Nm (1.85 kgf-cm) Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration. 3 3 3 Step 3 Screw (quantity) M2 × 5 mm, flat-head, nylon-coated (3) Color Black Torque - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 78
4 5 Note: Depending on the model, the ThinkPad pointing device might look different from the following illustration. 6 6 6 6 7 6 6 6 6 1090 Media card reader For access, remove these FRUs in order: • "1010 Lenovo OneLink connector cover" on page 64 • "1020 DIMM door" on page 65 • "1070 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 79
Torque 0.181 Nm (1.85 kgf-cm) 3 1 2 Step 3 Screw (quantity) M2.0 × 3.5 mm, flat-head, nylon-coated (1) 1110 ThinkPad-logo-LED card For access, remove these FRUs in order: • "1010 Lenovo OneLink connector cover" on page 64 Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter 9. Removing or - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 80
69 • "1080 Keyboard bezel assembly" on page 70 Removal step of the ThinkPad-logo-LED card 1 2 1120 System board, dc-in support bracket, and thermal fan assembly Important notices for handling the system board When the accelerometer to as much as 6000 G's of shock. 74 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 81
or a corrugated conductive material. For access, remove these FRUs in order: • "1010 Lenovo OneLink connector cover" on page 64 • "1020 DIMM door" on page 65 • " extremely sensitive. When you service the system board, avoid any kind of rough handling. ThinkPad E450 and E450c For models with a - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 82
For models with an integrated thermal module a Microprocessor ThinkPad E455 For models with a discrete thermal module a Microprocessor b Video Graphic Array card (VGA) c Fusion Controller Hub (FCH) a b a c 76 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 83
For models with an integrated thermal module a Microprocessor c Fusion Controller Hub (FCH) a c Chapter 9. Removing or replacing a FRU 77 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 84
connectors attached to the system board. 1 3 2 4 5 6 Remove the screws that secure the system board and the dc-in support bracket. Then remove the dc-in support bracket. 8 7 9 8 Step 7 8 Screw (quantity) M2.0 × 5 mm, flat-head, nylon-coated (1) M2.0 × 3.5 mm, flat-head, nylon-coated (2) Color - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 85
Loosen the screws. 10 Remove the system board together with the thermal fan assembly. 11 Chapter 9. Removing or replacing a FRU 79 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 86
amount of 0.2 grams, on the part marked a as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You must peel the thin film off from the rubbers marked b . 80 Hardware Maintenance - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 87
" on page 72 • "1100 USB/audio card" on page 73 • "1120 System board, dc-in support bracket, and thermal fan assembly" on page 74 Important notices for replacing a battery pack Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 88
pack 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 head, nylon-coated (3) Color Silver Torque 0.181 Nm (1.85 kgf-cm) 2 82 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 89
assembly For access, remove these FRUs in order: • "1010 Lenovo OneLink connector cover" on page 64 • "1020 DIMM door" " on page 73 • "1120 System board, dc-in support bracket, and thermal fan assembly" on page 74 • "1120 System board, dc-in support bracket, and thermal fan assembly" on page 74 • " - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 90
65 • "1050 Wireless LAN card" on page 67 • "1070 Keyboard" on page 69 • "1080 Keyboard bezel assembly" on page 70 • "1120 System board, dc-in support bracket, and thermal fan assembly" on page 74 84 Hardware Maintenance - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 91
mm, flat-head, nylon-coated (4) Color Black Torque 0.249 Nm (3 kgf-cm) 2 2 1160 Hinge support bracket, wireless LAN antennas assembly, and base cover assembly For access, remove these FRUs in order: • "1010 Lenovo OneLink connector cover" on page 64 • "1020 DIMM door" on page 65 • "1030 Internal - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 92
page 73 • "1110 ThinkPad-logo-LED card" on page 73 • "1120 System board, dc-in support bracket, and thermal fan support bracket, wireless LAN antennas assembly, and base cover assembly" on page 85 Removal steps of the hinge support the hinge support bracket. Then remove the hinge support bracket. 1 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 93
: When 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. Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 94
access, remove this FRU in order: • "1150 LCD unit" on page 84 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 When installing: Ensure that all the latches are attached firmly. 88 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 95
2020 LCD module For access, remove these FRUs in order: • "1150 LCD unit" on page 84 • "2010 LCD bezel assembly" on page 88 Removal steps of the LCD module 1 1 2 1 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (4) 2030 Hinge kit For access, remove these FRUs in order: • "1150 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 96
FRUs in order: • "1150 LCD unit" on page 84 • "2010 LCD bezel assembly" on page 88 • "2020 LCD module" on page 89 90 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 97
Removal steps of the integrated camera and microphone combo card 2 1 When installing: Ensure that the connector is attached firmly. 2050 LCD cable assembly and LCD rear cover assembly For access, remove these FRUs in order: • "1150 LCD unit" on page 84 • "2010 LCD bezel assembly" on page 88 • "2020 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 98
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and verify the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering subject matter described document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 100
in the United States, other countries or both: Lenovo ThinkPad ThinkPad logo TrackPoint Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies. Other company, product, or service names may be the trademarks or service marks of others. 94 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 101
Appendix B. Abbreviation table The following table lists all abbreviations used in this manual. Abbreviation BGA BIOS CD CMOS COA CPU CRC CRT CRU CTO DC DVD EAIA ECA EEPROM EFI Display Media Access Control Machine type Machine type and model Personal Computer © Copyright Lenovo 2014, 2015 95 - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 102
Subscriber Identity Module Supervisor password Thin-film transistors Unified Extensible Firmware Interface Universal Serial Bus Universally Unique Identifier Video Random Access Memory 96 Hardware Maintenance Manual - Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 103
- Lenovo ThinkPad E450c | (English) Hardware Maintenance Manual - ThinkPad E450, E - Page 104
Part Number: SP40A27160_02 Printed in China (1P) P/N: SP40A27160_02 *1PSP40A27160_02*
Hardware Maintenance Manual
ThinkPad E450, E455, and E450c