Lenovo ThinkPad E550c (English) Hardware Maintenance Manual - ThinkPad E550, E
Lenovo ThinkPad E550c Manual
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- Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 1
Hardware Maintenance Manual ThinkPad E550, E555, and E550c - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 2
and the product it supports, be sure to read the general information under Appendix A "Notices" on page 101. Second 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 E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 3
guide 3 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations 4 Laser compliance statement (multilingual translations 18 Chapter 2. Important service Checkout guide 30 Lenovo Solution problems 47 Undetermined problems - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 4
Chapter 9. Removing or replacing a FRU 65 General guidelines 65 1010 Lenovo-OneLink-connector cover . . . . . 66 1020 Battery pack 66 1030 Large bottom cover 67 1040 Electronic emission notices 102 Trademarks 102 Appendix B. Abbreviation and acronym table 103 ii Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 5
ThinkPad® product: ThinkPad E550 ThinkPad E555 ThinkPad E550c Machine type (MT) 20DF (Tx) and 20DG (Rx) Machine type (MT) 20DH Machine type (MT) 20E0 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 6
iv Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 7
need to be familiar with before you service a ThinkPad notebook computer. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide" on page 3 • "Handling devices that Do not obstruct fan louvers or cover them with labels or stickers. © Copyright Lenovo 2014, 2015 1 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 8
special safety precautions when you work with very high voltages. Instructions for these precautions are in the safety sections of maintenance conductive; such touching can cause personal injury and machine damage. • Do not service the following parts with the power on: - Power supply units - Pumps - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 9
ThinkPad features or options not covered by this inspection guide . 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 every service task to: http://www.lenovo.com/serviceparts-lookup. - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 10
grounding system, such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system to guard against ESD damage is desirable • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER 4 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 11
DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 12
DANGER 6 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 13
PERIGO PERIGO Chapter 1. Safety information 7 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 14
PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 15
DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 9 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 16
DANGER DANGER DANGER VORSICHT VORSICHT 10 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 17
VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 18
VORSICHT VORSICHT 12 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 19
Chapter 1. Safety information 13 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 20
14 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 21
Chapter 1. Safety information 15 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 22
16 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 23
Chapter 1. Safety information 17 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 24
statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese 18 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 25
Chapter 1. Safety information 19 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 26
20 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 27
Chapter 1. Safety information 21 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 28
22 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 29
Chapter 1. Safety information 23 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 30
24 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 31
, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers and follow the instructions on the screen. Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 32
are servicing might provides the ability for a customer to configure a Lenovo solution from a Web site, and have this a unique configuration that has been negotiated between Lenovo and the customer. A unique MTM consists of : 20AA0009UK). FRU identification Use Lenovo eSupport to identify major FRUs, - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 33
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 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 34
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do first" on page 29 • "Checkout guide" on page 30 - "Lenovo Solution Center" on page 30 - "Quick Drives in the computer that you are servicing sequence might have been altered. If or software errors. Consider replacing a FRU only when a problem recurs. If you suspect that a FRU is defective, clear - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 36
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 E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 37
and install a quick test program, go to http://www.lenovo.com/diags and follow the instructions on the Web site. To run a test using a quick 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 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 38
servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support code descriptions and troubleshooting hints. 3. When the ThinkPad logo is instructions on the screen to use the diagnostic program. 32 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 39
when the ac power adapter is used, use the following instructions. • If the power problem occurs only when the dock is used, replace the dock voltage across pin 2 of the ac power adapter might differ from the one you are servicing. 3. If the voltage is not correct, replace the ac power adapter. 4. If - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 40
battery pack 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 the voltage of the battery. See the following figure. 34 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 41
Wire Red Black Voltage (V dc) +2.5 to +3.2 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. Chapter 3. General checkout 35 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 42
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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 following procedure: a. Open the ThinkPad Setup program and select Startup conditions. Then follow the instructions on the screen. 7. - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 44
to Microsoft Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. Press F10 to save changes and exit the ThinkPad Setup program. Note: After restoring a With the recovery media, you can troubleshoot and fix the problems on your computer even if you Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 45
process. The process will take several hours. 4. Follow the instructions on the screen to reset your computer to the factory default start the computer, you can use recovery media to troubleshoot and fix the problems on your computer. It is recommended that you create Related service information 39 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 46
language and then select a preferred keyboard layout. 4. Click Troubleshoot to display the optional recovery solutions. 5. Select a corresponding =263800 Passwords As many as three passwords might be needed for a ThinkPad notebook computer: the power-on password, the hard disk password, and Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 47
nor Lenovo authorized service technicians provide any services to reset either the user hard disk password 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. For instructions on how to remove the hard disk password - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 48
, press Enter. 9. Press Fn+F10 to save changes and exit the ThinkPad Setup program. How to remove the hard disk password Attention: If User cannot be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 49
the hard disk drive or solid-state drive. Symptom-to-FRU index This section contains following information: • "Numeric error codes" on page 44 Chapter 4. Related service information 43 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 50
the problem, put the original part back in the computer. Do not replace a nondefective FRU. This index can also help you determine, during regular servicing, what "Intermittent problems" on page 47. Note: For a device not supported by diagnostic codes in the ThinkPad notebooks, see the manual for - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 51
2. Replace the coin-cell battery and run the ThinkPad Setup program to reset the time and date. 1. Remove the 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 hard disk drive. 2. Replace the main - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 52
. Replace the system board. The battery installed is not supported by this system and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key to continue -disk password is set. Type the password and press Enter. 46 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 53
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 Undetermined problems If supported - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 54
a. Non-ThinkPad devices b. 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 48 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 55
-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 2014, 2015 49 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 56
function of each key, press the function keys directly. To input F1-F12, press the Fn key and the corresponding function key. 50 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 57
you have opened. For Windows 8.1: Views all the programs. For Windows 7: Opens Computer. Launches the calculator. Locks the operating system. Opens the default browser. © Copyright Lenovo 2014, 2015 51 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 58
. Has the same function as the Pause key on a conventional keyboard. Has the same function as the SysRq key on a conventional keyboard. 52 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 59
4 1 Microphones 3 Power button 5 ac power connector 7 Optical drive or optical-drive bay bezel 9 System-status indicator1 11 Trackpad 2 Camera 4 Lenovo OneLink connector 6 USB 2.0 connector 8 Audio connector 10 Fingerprint reader (available on some models) 12 TrackPoint® buttons (available on some - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 60
49. Bottom view 2 1 3 2 5 1 Small bottom cover 3 Battery pack 5 Large bottom cover 4 2 Battery latches 4 Media card slot Locating FRUs and CRUs This topic introduces the following service parts: • "Major FRUs and CRUs" on page 56 54 Hardware Maintenance - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 61
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/support. Click User Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 62
Major FRUs and CRUs 11 19 18 2 17 16 3 15 4 14 13 5 12 6 7 8a 11 8b 10 9 56 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 63
bezel assembly 3 Coin-cell battery 4 Battery pack 5 Speaker assembly 6 Lenovo-OneLink-connector cover 7 dc-in/USB-connector board with cable 8a Optical-drive board 17 Thermal fan 18 Keyboard 19 TrackPoint cap Self-service CRU No No Yes Yes No Yes No Yes Yes Yes Yes No - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 64
LCD FRUs and CRUs For models with a 2D camera 11 7 6 2 3 4 45 Table 10. LCD FRUs and CRUs for models with a 2D camera No. FRU description 1 LCD bezel 2 LCD hinges 3 Wireless-LAN antenna assembly Self-service CRU No No No Optional-service CRU No No No 58 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 65
FRUs and CRUs for models with a 2D camera (continued) No. FRU description Self-service CRU 4 Camera/microphone module No 5 LCD cover kit No 6 LCD cables No 7 LCD panel No For models with a 3D camera Optional-service CRU No No No No 11 87 67 2 3 4 5 46 Chapter 7. Locations 59 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 66
ac power adapter Power cord Self-service CRU Yes Yes Optional-service CRU No No Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup 60 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 67
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/support. Click User Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 68
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 the system unit. 62 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 69
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 E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 70
64 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 71
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/support. Click User Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 72
reattach the connector cover to the Lenovo OneLink connector after finishing the servicing. 1020 Battery pack Important notice for replacing a battery pack Attention: Lenovo has no responsibility for the performance computer. Any other battery could ignite or explode. 66 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 73
Unlock the battery pack latch 1 . Hold the battery pack lock lever in the unlocked position 2 and remove the battery pack 3 . 1 3 2 When installing: Install the battery pack into the slot. Ensure that the battery pack latch is in the locked position. 1030 Large bottom cover For access, remove this - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 74
Battery pack" on page 66 Removal steps of the small bottom cover Loosen the screw 1 and then remove the small bottom cover 2 . 2 1 68 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 75
When installing: Attach the small bottom cover as shown in the following illustration. 1050 Optical drive or optical-drive bay bezel For access, remove these FRUs in order: • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 Removal steps of the optical drive or optical-drive - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 76
Hard disk drive assembly or solid-state drive assembly For access, remove these FRUs in order: • "1020 Battery pack" on page 66 70 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 77
• "1030 Large bottom cover" on page 67 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 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 78
gently unplug them as shown. 2 1 1 Step 2 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (1) 3 Color Black Torque 0.181 Nm (1.85 kgf-cm) 72 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 79
When installing: Plug the gray cable into the main connector, and the black cable into the auxiliary connector on the card. 1090 Coin-cell battery For access, remove these FRUs in order: • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 • "1080 Wireless LAN card" on page 72 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 80
1 1 1 Step 1 Screw (quantity) M2 × 8 mm, flat-head, nylon-coated (3) Color Black Torque 0.181 Nm (1.85 kgf-cm) 2 2 4 3 74 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 81
5 6 7 8 When installing: Ensure that the connector is attached firmly. 1120 Keyboard bezel assembly For access, remove these FRUs in order: • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 • "1050 Optical drive or optical-drive bay bezel" on page 69 • "1070 Hard disk drive - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 82
) 0.181 Nm (1.85 kgf-cm) Step 3 Screw (quantity) M2 × 5 mm, wafer-head, nylon-coated (4) Color Black Torque 0.181 Nm (1.85 kgf-cm) 76 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 83
4 5 When installing: Ensure that the connectors are attached firmly to the system board. In step 6 , release the keyboard bezel assembly from the frame using a plastic pry tool. 6 6 6 6 6 6 6 6 6 6 6 6 6 When installing: Ensure that all the latches are attached firmly. Chapter 9. Removing or - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 84
• "1120 Keyboard bezel assembly" on page 75 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. 78 Hardware Maintenance - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 85
Unit (GPU) b c a For models with an integrated thermal module a Accelerated Processing Unit (APU) b Fusion Controller Hub (FCH) b a ThinkPad E550 and E550c For models with a discrete thermal module a Microprocessor b Graphics Processing Unit (GPU) b a Chapter 9. Removing or replacing a FRU 79 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 86
For models with an integrated thermal module a Microprocessor a Removal steps of the system board 1 2 3 4 6 5 9 10 7 8 80 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 87
11 11 11 11 12 12 Step 11 Screw (quantity) M2 × 5 mm, flat-head, nylon-coated (4) Color Black Torque 0.181 Nm (1.85 kgf-cm) 13 When installing: Ensure that the connectors are attached firmly. Removal steps of the thermal fan 14 Chapter 9. Removing or replacing a FRU 81 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 88
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 need to peel the thin film off from the rubbers marked b . For models with discrete thermal pipes - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 89
assembly" on page 75 Removal steps of the dc-in/USB-connector board with cable Note: The system board of the computer that you are servicing might be different from the one in the following illustrations. Chapter 9. Removing or replacing a FRU 83 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 90
assembly" on page 70 • "1110 Keyboard" on page 73 • "1120 Keyboard bezel assembly" on page 75 Torque 0.181 Nm (1.85 kgf-cm) 84 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 91
Removal steps of the audio connector card with cable Note: The system board of the computer that you are servicing might be different from the one in the following illustrations. 3 4 2 1 Step 3 Screw (quantity) M2 × 5 mm, wafer-head, nylon-coated (1) Color Black 1160 Speaker assembly For - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 92
you install the speaker assembly, route the cables as shown in the following illustration. 1170 LCD unit For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 86 Hardware Maintenance - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 93
page 78 • "1140 dc-in/USB-connector board with cable" on page 83 Removal steps of the LCD unit Note: The computer that you are servicing might be different from the one in the following illustrations. In step 1 , release the wireless antenna cables from the cable - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 94
2 2 In step 3 , release the cables from the cable guides. 3 33 3 3 3 88 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 95
5 mm, wafer-head, nylon-coated (4) Color Black Torque 0.294 Nm (3 kgf-cm) 5 5 1180 Base cover assembly For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 • "1040 Small bottom cover" on - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 96
83 • "1150 Audio connector card with cable" on page 84 • "1160 Speaker assembly" on page 85 • "1170 LCD unit" on page 86 90 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 97
Applying labels to the base cover assembly The new base cover FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover. For the labels that are not shipped with the new base cover, peel them from the old base cover, and adhere them to the new - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 98
Ensure that all the latches are attached firmly. 2020 LCD panel For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on battery" on page 73 • "1110 Keyboard" on page 73 92 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 99
• "1120 Keyboard bezel assembly" on page 75 • "1130 System board and thermal fan" on page 78 • "1140 dc-in/USB-connector board with cable" on page 83 • "1150 Audio connector card with cable" on page 84 • "1170 LCD unit" on page 86 • "2010 LCD bezel" on page 92 Removal steps of the LCD panel 1 1 1 1 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 100
2030 LCD hinges For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on -head, nylon-coated (2) Color Silver Black Torque 0.294 Nm (3 kgf-cm) 0.181 Nm (1.85 kgf-cm) 94 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 101
3 3 2040 Camera/microphone module for models with a 2D camera For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 • "1040 Small bottom cover" on page - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 102
2050 Camera and microphone modules for models with a 3D camera For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on LCD bezel" on page 92 • "2020 LCD panel" on page 92 96 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 103
microphone modules 1 2 4 5 4 3 When installing: Ensure that the connector is attached firmly. 2060 LCD cables For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 • "1040 Small bottom cover - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 104
2070 Wireless LAN assembly and LCD rear cover For access, remove these FRUs in order: • "1010 Lenovo-OneLink-connector cover" on page 66 • "1020 Battery pack" on page 66 • "1030 Large Release the antenna cables from the cable guides on the LCD rear cover. 1 2 1 2 2 2 98 Hardware Maintenance - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 105
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. a b Antenna locations a Wireless-LAN auxiliary antenna (black) d Wireless-LAN main antenna (gray) Chapter 9. Removing or replacing a FRU 99 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 106
100 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 107
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 E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 108
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: Lenovo Lenovo logo ThinkPad ThinkPad logo TrackPoint Ultrabay Microsoft, Windows - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 109
acronym table The following table lists some abbreviations and acronyms which might be used in this manual. Abbreviation 3G BGA BIOS CMOS COA CRC CRT CRU CTO EAIA ECA EEPROM EFI EPO ESD EU FCC FRU Platform Controller Hub power-on self-test random-access memory © Copyright Lenovo 2014, 2015 103 - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 110
-film transistors Unified Extensible Firmware Interface Universal Serial Bus universally unique identifier video graphics array video random-access memory wide area network 104 Hardware Maintenance Manual - Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 111
- Lenovo ThinkPad E550c | (English) Hardware Maintenance Manual - ThinkPad E550, E - Page 112
Part Number: SP40A27128_01 Printed in China (1P) P/N: SP40A27128_01 *1PSP40A27128_01*
![](/manual_guide/products/lenovo-thinkpad-e550-english-hardware-maintenance-manual-thinkpad-e550-e555-e550c-b7fb5a6/1.png)
Hardware Maintenance Manual
ThinkPad E550, E555, and E550c