Supervisor password ........24 Power management .......... 25 Screen blank state ........25 Putting the computer to sleep or shutting it down ............. 25 Lenovo E41-10/E41-15 ........27 Specifications ............. 27 Status indicators ..........29 Hotkeys ............... 31 FRU replacement notices........32...
This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to read all the information under “Safety information” on page 1 and “Important service information”...
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...
Lenovo E41-10/E41-15 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1. Make sure that you can stand safely without slipping.
Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror.
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.
Lenovo E41-10/E41-15 Hardware Maintenance Manual 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. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations.
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Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations.
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Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation.
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Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
Lenovo E41-10/E41-15 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S.
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Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.
To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to http://support.lenovo.com. 2. Enter the serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download.
Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. •...
Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts.
General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: •...
Lenovo E41-10/E41-15 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2.
3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo E41-10/E41-15” on page 27. Note: Noise from the AC adapter does not always indicate a defect.
Lenovo E41-10/E41-15 Hardware Maintenance Manual Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.
1. Insert the bootable Start Recovery Disc into the optical drive. 2. Start the computer. When the Lenovo logo comes up, immediately press F12; on the boot sequence menu, select the optical drive as the first boot-up device.
Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. 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 supervisor password (SVP).
Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank state If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer, do one of the following: • For the Windows 7 operating system: →...
• “FRU replacement notices” on page 32 • “Removing and replacing an FRU” on page 33 • “Locations” on page 62 • “Parts list” on page 65 Specifications The following table lists the specifications of the Lenovo E41-10/E41-15: Table 1. Specifications E41-10 E41-15 Form Factor Dimensions Appr.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual I/O Ports USB 3.0 × 1, USB 2.0 × 2; or USB 3.0 × 1, USB 2.0 × 1 Audio Combo audio jack × 1 RJ-45 × 1 Communication Video/Audio HDMI slot × 1 Video VGA port ×...
Lenovo E41-10/E41-15 Status indicators The system status indicators below show the computer status: E41-10/E41-15: Table 2. Status indicators Power status indicator Indicator Indicator status Meaning On (solid white) The computer is powered on. Power status Blinking The computer is in sleep mode.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Table 2. Status indicators (continued) Battery/ Charging status indicator AC power Indicator status Meaning adapter status The computer is in sleep mode or turned off; The battery has more than 20% charge. Solid amber The battery has between 5% and 20% Disconnected charge.
Lenovo E41-10/E41-15 Hotkeys The hotkeys are located in the function key row of the keyboard.By pressing the appropriate hotkey, you can change system settings instantly. The following describes the function of each hotkey. Table 3. Hotkeys Enables/disables airplane Mutes/unmutes the sound.
This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •...
Lenovo E41-10/E41-15 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified.
Lenovo E41-10/E41-15 Hardware Maintenance Manual 1010 Keyboard Figure 1. Removal steps of keyboard Remove the screws Step Screw (quantity) Color Torque M2.5 × 6 mm, flat-head, nylok- Black 1.85+/-0.15 kgfcm coated(3) Loosen the keyboard with fingers in the direction shown by arrow...
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Lenovo E41-10/E41-15 Figure 1. Removal steps of keyboard (continued) Lift the keyboard a little . Pull the keyboard connector slot cover upward as shown by arrow , detach the keyboard cable from the keyboard connector in the direction shown by arrow...
Lenovo E41-10/E41-15 Hardware Maintenance Manual 1020 Optical drive For access, remove this FRU: • “1010 Keyboard” on page 34 Figure 2. Removal steps of optical drive Pull the optical drive out in the direction shown by arrow...
Lenovo E41-10/E41-15 1030 Base cover For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 Figure 3. Removal steps of base cover Loosen the screws that secure the compartment cover.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Figure 3. Removal steps of base cover (continued) Remove the screw Step Screw (quantity) Color Torque M2.5 × 6 mm, flat-head, nylok- Black 2.0~2.5 kgfcm coated (1)
Lenovo E41-10/E41-15 1040 Battery pack For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Figure 4. Removal steps of battery pack (continued) Remove the screws . Remove the battery pack in the direction shown by arrow Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylok- Silver 1.5~2.0 kgfcm coated (2) When installing: Make sure that the battery connector is attached firmly.
Lenovo E41-10/E41-15 1050 Hard disk drive For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 Attention: •...
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Figure 5. Removal steps of hard disk drive (continued) Detach the HDD connector in the direction shown by arrow . Remove the hard disk drive from the slot in the direction shown by arrow Remove the four screws and detach the metal frame from the hard disk drive.
Lenovo E41-10/E41-15 1060 DIMM For access, remove these FRUs in order • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 Figure 6. Removal steps of DIMM...
The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations. Refer to Table 4 “Parts list—Overall” on page 67 for Lenovo part numbers for the approved modules. Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN...
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Lenovo E41-10/E41-15 Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued) Disconnect the two wireless LAN cables (black, white) , and then remove the screw In step , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159), or pick up the connectors with your fingers and gently unplug them in the direction shown by arrows.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued) Remove the card in the direction shown by arrow When installing: • In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
Lenovo E41-10/E41-15 1080 Fan assembly and Heat Sink assembly For access, remove these FRUs in order • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 Figure 8.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Figure 8. Removal steps of fan assembly and heat sink assembly (continued) Remove the screws Step Screw (quantity) Color Torque M2 × 3 mm, Phillips head, nylok- Black 1.0~1.5 kgf*cm coated (3) cpu thermal module---cpu plate &...
Lenovo E41-10/E41-15 1090 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Figure 9. Removal steps of system board (continued) Remove the screws Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylok-coated (2) Black 1.0~1.5 kgfcm Unplug DC-IN cable connector in the direction shown by arrow...
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Lenovo E41-10/E41-15 Figure 9. Removal steps of system board (continued) Detach touch pad connector in the direction shown by arrow When installing: Make sure that all the connectors are attached firmly. Remove the system board in the direction shown by arrow...
Lenovo E41-10/E41-15 Hardware Maintenance Manual 1100 LCD unit For access, remove these FRUs in order • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 •...
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Lenovo E41-10/E41-15 Figure 10. Removal steps of LCD unit (continued) When installing: • Route the antenna cables along the cable guides. 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.
Lenovo E41-10/E41-15 Hardware Maintenance Manual 1110 Speakers, base cover, IO board, and DC-IN For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 •...
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Lenovo E41-10/E41-15 Figure 11. Speakers, base cover, IO board, and DC-IN (continued) Remove the screw . Remove the IO board in the direction shown by arrow Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, Silver 1.5~2.0 kgfcm nylokcoated (1)
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Applying labels to the base cover 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 labels which are not shipped with the new base cover, peel them from the replaced base cover and adhere them to the new one.
Lenovo E41-10/E41-15 1120 LCD front bezel For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 •...
Lenovo E41-10/E41-15 Hardware Maintenance Manual 1130 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 •...
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Lenovo E41-10/E41-15 Figure 13. LCD panel, LCD cable and hinges (continued) Turn over the LCD module in the direction as shown by arrow . Disconnect the connector by arrow to remove the LCD panel. Step Screw (quantity) Color Torque M2.0 × 3 mm , flat-head, nylok-coated Black 1.0~1.5 kgfcm...
Lenovo E41-10/E41-15 Hardware Maintenance Manual 1140 Integrated camera For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 •...
Lenovo E41-10/E41-15 1150 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Keyboard” on page 34 • “1020 Optical drive” on page 36 • “1030 Base cover” on page 37 • “1040 Battery pack” on page 39 •...
Lenovo E41-10/E41-15 Hardware Maintenance Manual Locations Front view Integrated camera (on select models) Wireless LAN antennas Computer display Built-in microphone Memory card slot Touch pad Power Key...
Lenovo E41-10/E41-15 Bottom and Left-side view AC power adapter jack Ventilation slots VGA port RJ-45 port HDMI port USB 3.0 port Combo audio jack Ventilation slots Speakers...
Lenovo E41-10/E41-15 Hardware Maintenance Manual Right-side view Novo button USB 2.0 port (on select models) Optical drive Kensington Mini Security slot...
Lenovo E41-10/E41-15 Parts list This section presents the following service parts: • “Overall” on page 66 • “LCD FRUs” on page 70 • “Keyboard” on page 72 • “Miscellaneous parts” on page 77 • “AC adapters” on page 78 • “Power cords” on page 80 Notes: •...
Lenovo E41-10/E41-15 Hardware Maintenance Manual LCD FRUs In Lenovo E41-10/E41-15, there is following type of LCDs.
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Camera, 0.3M, AWA AM-VS080 0.3M NB camera SC20K88167 N Camera, 0.3M, AVC HAA-584B05 0.3M NB camera SC20K88166 N EDP CABLE FOR W/CAMERA C E41-10 5C10L58167 N EDP CABLE FOR W/O CAM C E41-10 5C10L58160 N LCD COVER C E41-10 5CB0L58141 N...
Lenovo E41-10/E41-15 Hardware Maintenance Manual Keyboard Table 7. Parts list—Keyboard Language 5N20L25825 * English U.K. English 5N20L25790 Italian 5N20L25796 Spanish 5N20L25817 Turkish 5N20L25834 Thai 5N20L25848 Portuguese 5N20L25839 Latin 5N20L25785 Canadian English&French 5N20L25836 Korean 5N20L25854 Traditional Chinese 5N20L25799 Russian 5N20L25775 French...
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Lenovo E41-10/E41-15 Table 7. Parts list—Keyboard (continued) Language 5N20L25862 * Portuguese Latin 5N20L25794 Canadian English&French 5N20L25810 Korean 5N20L25826 Traditional Chinese 5N20L25770 Russian 5N20L25787 French 5N20L25800 German 5N20L25802 Arabic 5N20L25773 Brazilian 5N20L25793 Japanese 5N20L25827 Dutch 5N20L25818 Sunrex Greek 5N20L25852 Normal Hebrew...
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language 5N20L25830 * Arabic Brazilian 5N20L25798 Japanese 5N20L25863 Dutch 5N20L25782 Greek 5N20L25843 Hebrew 5N20L25771 Hungarian 5N20L25811 Four Nordic countries 5N20L25853 keyboard Doking Belgian 5N20L25850 E41-10 Normal Icelandic 5N20L25846 (continued) (continued)
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Lenovo E41-10/E41-15 Table 7. Parts list—Keyboard (continued) Language 5N20L25835 * Belgian Icelandic 5N20L25778 Slovenian 5N20L25808 Swiss 5N20L25791 Chicony International English 5N20L25772 Normal Czechoslovakian 5N20L25795 (continued) Bulgarian 5N20L25792 Indian 5N20L25831 French-Arabic 5N20L25812 Ukrainian 5N20L25832 English 5N20L25781 U.K. English 5N20L25860 Italian 5N20L25806...
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Lenovo E41-10/E41-15 Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language 5N20L25821 * Indian Sunrex Normal French-Arabic 5N20L25845 (continued) Ukrainian 5N20L25780 English 5N20L25822 U.K. English 5N20L25807 Italian 5N20L25779 Spanish 5N20L25847 Turkish 5N20L25776 Thai 5N20L25816 Portuguese 5N20L25857 Latin 5N20L25851 Canadian English&French...
Lenovo E41-10/E41-15 Miscellaneous parts Table 8. Parts list—Miscellaneous parts CRU ID E41-10 E41-15 System miscellaneous parts: 5B40L58148 • (a) HDD BRACKET C E41-10 • (b) ODD BRACKET C E41-10 5B40L58155 ● ● • 5B30L58164 (c) ODD BEZEL C E41-10 •...
Lenovo E41-10/E41-15 Hardware Maintenance Manual Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 11. Parts list—3-pin power cords Region Indian 145000592 • LINETEK PE-361+ H05VV-F+ LS15 1m...
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Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo OneKey Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both.