Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a Lenovo 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.
This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo 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.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
– Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical 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: •...
Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and Unified Extensible Firmware Interface basic input output system (UEFI BIOS) downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in the following support site: http://www.lenovoservicetraining.com/ion/...
• Avoid bending a system board and hard pushing to prevent cracking at each ball-grid-array (BGA) chipset. FRU identification Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at an MT - serial number level. Examples of major FRUs are hard disk drive, system board, liquid crystal display (LCD), and memory module.
• Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force • Damage caused by liquid spilled into the system • Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card •...
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 systems is installed, the system will not charge.
The Lenovo E41–80 computers come with pre-installed OneKey Recovery System. In order to save application files and the initial backed up files of the system, the hard disk in a Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter Lenovo OneKey Recovery System and run System Recovery.
To return to normal operation, press any key. In certain circumstances, the computer goes into sleep mode automatically: • After a period of inactivity specified in power plan settings • When the battery power is low Hibernation mode In hibernation mode, the following occurs: •...
Chapter 5. Passwords As many as three passwords may be needed for any Lenovo computer: the power-on password (POP), the hard disk password (HDP), and the administrator password. If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on.
CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.
Major FRUs and CRUs Table 3. Major FRUs FRU parts FRU descriptions Self-service Optional-service FRU No. LCD unit LCD unit Keyboard Keyboard bezel assembly Memory Module Memory Module: 11202451 M471B5674QH0-YK0 Memory Module Memory Module: 5M30G99881 HMT425S6CFR6A-PB 2GB DDR3L 1600 Memory Module Memory Module: 11201967 MT4KTF25664HZ-1G6E1 2GB...
Page 41
11201304 8GB Mic MT16KTF1G64HZ-1G6E1 DDR3L 1600 Power board Power Board C E40-30 W/Cable 5C50G07295 Upper case Upper Cover C E41-80 NFP W/TP 5CB0K74992 Upper case Upper Cover C E41-80 FP W/TP 5CB0K74983 5B20K74982 System board MB C E41-80 NOK I7-6500U UMA...
Page 42
Table 3. Major FRUs (continued) FRU parts FRU descriptions Self-service Optional-service FRU No. System board MB C E41-80 NOK I3-6100U UMA 5B20K74998 5B20K74991 System board MB C E41-80 WIN I3-6100U UMA System board MB C E41-80 NOK 4405U EPO2G 5B20K74988...
Page 43
Cbt RTL8821AE 1x1AC+BT4.0 PCIE SW10A11648 M.2 WLAN CPU Fan CPU Fan C E40-30 5F10G07296 Thermal Module 5H40K75002 Heatsink C E41-80 UMA W/O Fan Thermal Module Heatsink C E41-80 DIS W/O Fan 5H40K75006 IO board IO Board C E40-80 5C50K22156 Speaker...
5C50H44785 (only for E51) LCD FRUs Table 4. LCD FRUs No. FRU FRU descriptions Self-service Optional-service PN number parts LCD Bezel C E41-80 CAMERA 5B30K74977 bezel LCD Bezel C E41-80 NOCAMERA 5B30K75008 bezel Screw Screw Pad C E40-30 5R60G07299 Panel...
(i): Docking Cable C E50-70 DIS (only for E51) 5C10H44781 (i): Docking Cable C E50-70 UMA (only for E51) 5C10H44772 (i): DockingDC-INCable CE50-70 W/LED (only for E51) 5C10H44780 5T10K81009 (j): WLAN Sponge C E41-80 Screw Kit C E40-80 5S10H70733 Chapter 8 Locations...
Page 46
Table 6. Other FRUs FRU descriptions PN number Self-service Optional-service 5A10H03911 ac adapter 45W 3pin: Delta ADLX45NDC3A 20V2.25A adap DOE ac adapter 45W 3pin: Liteon ADLX45DLC3A 20V2.25A adap 5A10H03910 ac adapter 45W 3pin: Chicony ADLX45NCC3A 20V2.25A adap 5A10H03912 ac adapter 45W 3pin: Liteon ADLX45DLC3A 20V2.25A adap 5A10H03910 ac adapter 45W 3pin: Chicony ADLX45NCC3A 20V2.25A adap 5A10H03912...
Page 47
Table 6. Other FRUs (continued) FRU descriptions Self-service Optional-service PN number Power code China 3pin: Longwell LSG-31+RVV300/300+LS-18 145000568 1m code Power code China 3pin: VOLEX GB10S3+RVV 300/500+VAC5S 145000538 1m code Power code China 3pin: lux 0036+RVV 300/300 0.75/3C+0002 145500003 1m code 145000592 Power code India 3pin: LINETEK PE-361+ H05VV-F+ LS15 1m code...
Page 48
Table 6. Other FRUs (continued) FRU descriptions Self-service Optional-service PN number Power code Italy 3pin: lux 0029+H03VV-F 0.75/3C+0011 1m 145500009 code Power code South Africa 3pin: LINETEK LS15+H03VV-F+PE-364 145000586 1m code Power code South Africa 3pin: Longwell LP-39+H03VV-F+LS-18 145000554 1m code 145500010 Power code South Africa 3pin: lux 0044+H03VV-F 0.75/3C+0011 1m code...
Page 49
Table 6. Other FRUs (continued) FRU descriptions Self-service Optional-service PN number Power code Argentina 3pin: VOLEX VA2073+H03VV-F+VAC5S 145000528 1m code Power code Argentina 3pin: lux 0040+H03VV-F 0.75/3C+0011 145500015 1m code Keyboard Sunrex: US102KeyT6G1DFBlkKBlkFrameKBD 25214785 Keyboard Sunrex: UK103KeyT6G1DFBlkKBlkFrameKBD 25214786 Keyboard Sunrex: Italian103KeyT6G1DFBlkKBlkFrameKBD 25214787 Keyboard Sunrex: Spanish103KeyT6G1DFBlkKBlkFrameKBD 25214788...
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.
Page 54
180 degrees more (Cross-section) Notes: • Ensure that you use the correct screw. If you have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information table for each step. • Ensure that torque screwdrivers are calibrated correctly following country specifications. Hardware Maintenance Manual...
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.
The only exception to this is if the battery 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 the program to diagnose the battery pack, before getting a non-physically damaged battery pack replaced.
Page 57
Removal steps of the keyboard Remove two screws (E41). Remove three screws (E51). Step Screw (quantity) Color Torque Black M2.0 × 6mm, flat-head, nylok-coated 1.85 +/- 0.15kgf-cm Chapter 10 Removing or replacing a FRU...
Lift the keyboard a little by its upper edge with a flat blade , and then slide the keyboard frame forward in the direction shown by arrow Lift the keyboard a little , and then detach the connector in the direction shown by arrows When installing Make sure that the connector is firmly attached.
Page 59
Removal steps of the Optical drive Remove the screw (E41). Remove the screw (E51). Torque Step Screw (quantity) Color SCREW M2*6mm, flat-head, nylok-coated Black 1.85 +/- 0.15kgf-cm Insert a screwdriver into the screw hold and push the optical driver in the direction shown by arrow .
Remove the ODD bezel . Loosen two screws and then detach the ODD bracket Step Screw (quantity) Color Torque Black SCREW M2*3mm, flat-head, nylok-coated (2) 1.85 +/- 0.15kgf-cm 1040 Base cover assembly For access, remove these FRUs: • “1010 External battery pack” on page 50 Removal steps of the base cover assembly Remove the screws that secure the base cover assembly.
Page 61
Applying labels to the base cover assembly: The new base cover assembly is shipped with a kit containing labels of several 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.
1050 Hard disk drive or solid-state hybrid drive For access, remove these FRUs in order: • “1010 External battery pack” on page 50 • “1040 Base cover assembly” on page 54 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.
Pull the hard disk drive out Detach the bracket by removing the four screws Step Screw (quantity) Color Torque Black M3 × 3mm, flat-head, nylon-coated (4) 3.0 +/- 0.3kgf-cm When installing: Ensure that the hard disk drive or solid-state hybrid drive is firmly attached. 1060 Wireless-LAN /Bluetooth card For access, remove these FRUs in order: •...
Removal steps of the Wireless-LAN /Bluetooth card Peel off the sponge that secure the wireless Lan cable connectors, unplug the two wireless Lan cable connectors (black and white) in the direction shown by arrow , and then remove the screw Torque Step Screw (quantity)
Removal steps of the memory module Release the two latches on both edges of the socket at the same time in the direction shown by arrows and then unplug the DIMM in the direction shown by arrow 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.
Removal steps of the upper case Remove eight screws and two screws on the bottom. (E41) Remove nine screws and three screws on the bottom. (E51) Step Screw (quantity) Color Torque Black M2.5 × 6mm, flat-headed, nylon-coated (8) (E41) 3.0 +/- 0.3kgf-cm M2.5 ×...
Detach power board connector, LED board connector , touch pad connector and finger print reader connector in the direction shown by arrows When installing: Ensure that all the connectors are attached firmly. Remove the upper case in the direction shown by arrow 1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board, LED board and ODD switch board For access, remove these FRUs in order:...
Page 68
• “1050 Hard disk drive or solid-state hybrid drive” on page 56 • “1060 Wireless-LAN /Bluetooth card” on page 57 • “1080 Upper case” on page 59 Removal steps of audio board, audio board cable, power board, touch pad board cable, finger printer board, LED board and ODD switch board Detach Audio board cable connector .
Peel off the adhesive tape securing the power board, remove one screw , and then remove the power board in the direction shown by arrow Step Screw (quantity) Color Torque black M2 × 3mm, flat-head, nylon-coated (1) 1.85 +/- 0.15kgf-cm Detach the connector , and then remove the touch pad board cable in the direction shown by arrow (For E41).
Remove the finger printer broad in the direction shown by arrow Push forward the LED board and remove it in the direction shown by arrow (E41). Detach ODD switch board connector , remove two screws , and then remove the ODD switch board in the direction shown by arrow (E51).
Page 71
• Avoid rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board. • If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive material.
Page 72
Remove one screw and three screws Remove one screw and four screws Step Screw (quantity) Color Torque M2 × 5mm, flat-headed, nylon-coated (1) (E41) Silver 1.85 +/- 0.15kgf-cm M2 × 6mm, flat-headed, nylon-coated (1) (E51) Black 1.85 +/- 0.15kgf-cm M2.5 × 6mm, flat-headed, nylon-coated (3) (E41) Black 3.0 +/- 0.3kgf-cm M2.5 ×...
Unplug DC-in cable connector When installing: Ensure that the connectors are attached firmly. Remove the system board in the direction shown by arrow When installing: When attaching the system board to the base cover, adjust the placement of the USB ports as shown in , and make sure that they are attached to the holes on the base cover as shown.
Page 74
• “1030 Optical disk drive” on page 52 • “1040 Base cover assembly” on page 54 • “1050 Hard disk drive or solid-state hybrid drive” on page 56 • “1060 Wireless-LAN /Bluetooth card” on page 57 • “1080 Upper case” on page 59 •...
Page 75
Unplug the fan connector in the direction shown by arrow When installing: Ensure that the fan connector is attached firmly. Remove the thermal fan assembly in the direction shown by arrow Chapter 10 Removing or replacing a FRU...
1120 Speaker assembly, docking LED lens and docking bracket For access, remove these FRUs in order: • “1010 External battery pack” on page 50 • “1020 Keyboard” on page 50 • “1030 Optical disk drive” on page 52 • “1040 Base cover assembly” on page 54 •...
Loose one screw and then remove the docking bracket in the direction shown by arrow Torque Step Screw (quantity) Color M2.5 × 5mm, flat head, nylon-coated (1) Black 3.0 +/- 0.3kgf-cm 1130 LCD unit, docking board, docking cable and DC-in cable For access, remove this FRU: •...
Page 78
Removal steps of the LCD unit, docking board, docking cable and DC-in cable Release the antenna cables from the cable guide , and then remove two screws and two screws Step Screw (quantity) Color Torque Black M2.5 × 6mm, flat-headed, nylon-coated (2) (E41) 3.0 +/- 0.3kgf-cm M2.5 ×...
Page 79
Detach the LCD unit from the upper case Remove the DC-in cable (E41). Loose one screw and then remove the docking board, docking cable and DC-in cable in the direction shown by arrow (E51). Step Screw (quantity) Color Torque M2.5 × 4mm, flat head, nylon-coated (1) Silver 3.0 +/- 0.3kgf-cm Chapter 10...
1140 LCD front bezel For access, remove this FRU: • “1010 External battery pack” on page 50 • “1020 Keyboard” on page 50 • “1030 Optical disk drive” on page 52 • “1040 Base cover assembly” on page 54 • “1050 Hard disk drive or solid-state hybrid drive”...
Page 81
• “1080 Upper case” on page 59 • “1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board, LED board and ODD switch board” on page 61 • “1100 System board” on page 64 • “1120 Speaker assembly, docking LED lens and docking bracket” on page 70 •...
Remove four screws and the remove the hinges in the direction shown by arrow (E51). Torque Step Screw (quantity) Color M2.5 × 4mm, flat-headed, nylon-coated (4) Silver 3.0 +/- 0.3kgf-cm 1160 Integrated camera and LCD cable For access, remove these FRUs in order: •...
Removal steps of the camera and LCD cable Disconnect the connector , remove the integrated camera from the LCD cover in the direction shown by arrow , and then release the LCD cable from the cable guide When installing: Stick the integrated camera to the top center of the LCD cover and adjust the placement of it to make sure the connector is attached firmly.
Page 84
When installing: Route the antenna cables along the cable guides and secure the antenna boards with adhesive tapes. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Hardware Maintenance Manual...
Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
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 OneKey Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies.
Page 88
Abbreviation Term radio frequency RFID radio-frequency identification ring indicator registered jack SATA Serial Advanced Technology Attachment subscriber identity module supervisor password TFTs thin-film transistors UEFI Unified Extensible Firmware Interface Universal Serial Bus UUID universally unique identifier video graphics array VRAM video random-access memory wide area network Hardware Maintenance Manual...