Supervisor password ........24 Power management .......... 25 Screen blank state ........25 Putting your computer into sleep state or shutting it down .......... 25 Lenovo IdeaPad S405 .........26 Specifications ............. 26 Status indicators ..........28 Hotkeys ............... 30 FRU replacement notices........31...
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 IdeaPad S405 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.
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 IdeaPad S405 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 IdeaPad S405 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 IdeaPad S405 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 IdeaPad S405 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 IdeaPad S405 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 IdeaPad S405 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 IdeaPad S405 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.
4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo IdeaPad S405” on page 26. Note: Noise from the AC adapter does not always indicate a defect. Checking operational charging...
Lenovo IdeaPad S405 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack.
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.
• “FRU replacement notices” on page 31 • “Removing and replacing an FRU” on page 32 • “Locations” on page 55 • “Parts list” on page 58 Specifications The following table lists the specifications of the Lenovo IdeaPad S405: Table 1. Specifications Feature Description Processor...
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Lenovo IdeaPad S405 Table 1. Specifications (continued) Feature Description I/O ports HDMI port × 1 USB 2.0 × 2, USB 3.0 × 1 2 in 1 slot × 1 (MMC, SD) Audio Combo audio jack × 1 Speaker × 2...
Lenovo IdeaPad S405 Hardware Maintenance Manual Status indicators The system status indicators below show the computer status:...
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Lenovo IdeaPad S405 Table 2. Status indicators Indicator Meaning Power on On (solid white): The computer is powered on. Blinking: The computer is in sleep mode. off: The computer is powered off. Battery On (solid white): The battery has more than 20% charge.
Lenovo IdeaPad S405 Hardware Maintenance Manual 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 4. Hotkeys...
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: •...
Before touching it, establish personal grounding by touching a ground point with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons. Note: The illustrations used in this section are of the Lenovo U410, unless otherwise stated.
Lenovo IdeaPad S405 1010 Battery pack DANGER • Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the manual latch . Slide the spring-loaded latch to the unlocked position to eject the battery pack .
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Lenovo IdeaPad S405 Hardware Maintenance Manual Figure 1. Removal steps of battery pack (continued) Open the back cover along the device frame with a flat blade in the direction shown by arrows and then lift the back cover in the direction shown by arrow...
Lenovo IdeaPad S405 1020 Hard disk drive For access, remove this FRU: • “1010 Battery pack” on page 33 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damages and permanent loss of data.
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Lenovo IdeaPad S405 Hardware Maintenance Manual Figure 2. Removal steps of hard disk drive (continued) Remove four screws and detach the metal frame from the hard disk drive. Step Screw (quantity) Color Torque M3.0 × 3.0 mm, flat-head, nylok-coated Silver 3.0 kgfcm...
Lenovo IdeaPad S405 1030 DIMM For access, remove this FRU: • “1010 Battery pack” on page 33 Figure 3. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the direction shown by arrows...
Lenovo IdeaPad S405 Hardware Maintenance Manual 1040 PCI Express Mini Card for wireless LAN/WAN For access, remove this FRU: • “1010 Battery pack” on page 33 Figure 4. Removal steps of PCI Express Mini Card for wireless LAN/WAN Disconnect the IO board connector...
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Lenovo IdeaPad S405 Figure 4. 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 IdeaPad S405 Hardware Maintenance Manual 1050 Fan assembly and Heat Sink assembly For access, remove this FRU: • “1010 Battery pack” on page 33 Figure 5. Removal steps of fan assembly and heat sink assembly Unplug the fan connector in the direction shown by arrow When installing: Make sure that the fan connector is attached firmly to the system board.
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Lenovo IdeaPad S405 Figure 5. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow . Be careful not to damage the connector.
Lenovo IdeaPad S405 Hardware Maintenance Manual 1060 Keyboard For access, remove these FRUs in order:: • “1010 Battery pack” on page 33 • “1050 Fan assembly and Heat Sink assembly” on page 40 Figure 6. Removal steps of keyboard Remove screws...
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Lenovo IdeaPad S405 Figure 6. Removal steps of keyboard (continued) Lift the keyboard a little , and then detach the connector in the direction shown by arrow When installing: Make sure that the FPC connector is attached firmly.
Lenovo IdeaPad S405 Hardware Maintenance Manual 1070 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 IdeaPad S405 Figure 7. Removal steps of system board (continued) Remove two screws , then remove the RJ-45 door. Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylok-coated (2) Silver 1.85 kgfcm Remove five screws Step Screw (quantity)
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Lenovo IdeaPad S405 Hardware Maintenance Manual Figure 7. Removal steps of system board (continued) Unplug DC-IN cable connector in the direction , speakers connector disconnect the LCD connector in the direction , power board connector in the direction , TP connector in the direction , LED board connector When installing: Make sure that all the connectors are attached firmly.
Lenovo IdeaPad S405 1080 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Hard disk drive” on page 35 • “1030 DIMM” on page 37 • “1040 PCI Express Mini Card for wireless LAN/WAN” on page 38 •...
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Lenovo IdeaPad S405 Hardware Maintenance Manual Figure 8. Removal steps of LCD unit (continued) Detach the LCD unit from the upper case.
Lenovo IdeaPad S405 1090 Speakers, base cover, USB board, power assembly and power board For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Hard disk drive” on page 35 • “1030 DIMM” on page 37 •...
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Lenovo IdeaPad S405 Hardware Maintenance Manual Figure 9. Speakers, base cover, USB board, power assembly and power board (continued) Remove two screws , and then remove the USB board in the direction shown by arrow Step Screw (quantity) Color Torque M2 ×...
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Lenovo IdeaPad S405 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 IdeaPad S405 Hardware Maintenance Manual 1100 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Hard disk drive” on page 35 • “1030 DIMM” on page 37 • “1040 PCI Express Mini Card for wireless LAN/WAN” on page 38 •...
Lenovo IdeaPad S405 1110 LCD panel, LCD cable For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Hard disk drive” on page 35 • “1030 DIMM” on page 37 • “1040 PCI Express Mini Card for wireless LAN/WAN” on page 38 •...
Lenovo IdeaPad S405 Hardware Maintenance Manual 1120 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 33 • “1020 Hard disk drive” on page 35 • “1030 DIMM” on page 37 • “1040 PCI Express Mini Card for wireless LAN/WAN” on page 38 •...
Lenovo IdeaPad S405 Locations Front view Integrated camera Wireless module antennas Computer display Power button Touchpad Built-in microphone System status indicators...
Lenovo IdeaPad S405 Hardware Maintenance Manual Bottom and Right-side view AC power adapter jack USB 2.0 port Combo audio jack Memory card slot Battery latch -manual Battery latch -spring loaded Battery pack Louvers Speakers...
Lenovo IdeaPad S405 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 59 • “LCD FRUs” on page 62 • “Keyboard” on page 64 • “Miscellaneous parts” on page 68 • “AC adapters” on page 69 •...
Lenovo IdeaPad S405 Hardware Maintenance Manual LCD FRUs In Lenovo IdeaPad S405, there are following types of LCDs. • “17.3 -in. HD TFT”...
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Lenovo IdeaPad S405 17.3-in. HD TFT Table 5. Parts list—17.3-in. HD TFT FRU no. VIUS4 LCD Bezel W/Camera Hole Black 90201589 Panel, 14.0” 3mm Flat AUO B140XTN02.0 HD G F LED1 18200263 NB LCD Panel, 14.0” 3mm Flat AUO B140XTN02.3 HW0A HD G S...
Lenovo IdeaPad S405 Hardware Maintenance Manual Keyboard Table 6. Parts list—Keyboard Language Indian 25205104 Czechoslovakian 25205103 Bulgarian 25205102 International English 25205101 Swiss 25205100 Slovenian 25205099 Icelandic 25205098 Belgian 25205097 Four Nordic countries 25205096 Hungarian 25205095 Hebrew 25205094 Greek 25205093 Dutch...
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Lenovo IdeaPad S405 Table 6. Parts list—Keyboard (continued) Language Arabic 25205149 German 25205148 French 25205147 Russian 25205146 Traditional Chinese 25205145 Korean 25205144 Sunrex Canadian English&French 25205143 (black keyboard Latin 25205142 black box) Portuguese 25205141 (continued) Thai 25205140 Turkish 25205139 Spanish...
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Lenovo IdeaPad S405 Hardware Maintenance Manual Table 6. Parts list—Keyboard (continued) Language Indian 25208623 Czechoslovakian 25208622 Bulgarian 25208621 International English 25208620 Swiss 25208619 Slovenian 25208618 Icelandic 25208617 Belgian 25208616 Four Nordic countries 25208615 Hungarian 25208614 Hebrew 25208613 Greek 25208612 Dutch...
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Lenovo IdeaPad S405 Table 6. Parts list—Keyboard (continued) Language Arabic 25208668 German 25208667 French 25208666 Russian 25208665 Traditional Chinese 25208664 Korean 25208663 Canadian English&French 25208662 Sunrex (black box) Latin 25208661 (continued) Portuguese 25208660 Thai 25208659 Turkish 25208658 Spanish 25208657 Italian 25208656 U.K.
Lenovo IdeaPad S405 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 9. Parts list—3-pin power cords Region 145000600 • LINETEK PC323+RVV300/300+LS15 1m Argentina 145000599 •...
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Lenovo IdeaPad S405 Table 9. Parts list—3-pin power cords (continued) Region Brazil 145000564 • Longwell LP-46+H03VV-F+LS-18 1m Israel 145000563 • Longwell LP-41+H03VV-F+LS-18 1m 145000562 • Longwell LP-30B+SPT-2 18AWG+LS-18 1m 145000561 • Longwell LP-61L+H03VV-F+LS-18 1m Indian 145000560 • Longwell LP-67+BIS+LS-18 1m...
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Lenovo IdeaPad S405 Hardware Maintenance Manual Table 9. Parts list—3-pin power cords (continued) Region Brazil 145000527 • VOLEX CH10S3+H03VV-F+VAC5S 1m Israel 145000526 • VOLEX SI16S3+H03VV-F+VAC5S 1m 145000525 • VOLEX M2511+H03VV-F+VAC5S 1m Switzerland 145000524 • VOLEX MP232+H03VV-F+VAC5S 1m 145000605 • VOLEX MP5004+H03VV-F+VAC5S 1m...
The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are either registered trademarks or trademarks of Lenovo in the United States and/or other countries: ® Lenovo ®...