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”...
Lenovo ideapad 305-14IBD 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 305-14IBD Hardware Maintenance Manual General safety Follow the following rules 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.
Lenovo ideapad 305-14IBD 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.
Page 8
Lenovo ideapad 305-14IBD 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 305-14IBD 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.
Lenovo ideapad 305-14IBD 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.
Page 12
Lenovo ideapad 305-14IBD 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.
Page 13
Lenovo ideapad 305-14IBD 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.
Page 14
Lenovo ideapad 305-14IBD 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.
Page 15
Lenovo ideapad 305-14IBD 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.
Page 16
Lenovo ideapad 305-14IBD 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.
Page 17
Lenovo ideapad 305-14IBD 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...
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.
Page 19
Lenovo ideapad 305-14IBD 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://consumersupport.lenovo.com/ 2. Enter the serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download.
Lenovo ideapad 305-14IBD 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.
Lenovo ideapad 305-14IBD 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 305-14IBD 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 305-14IBD” on page 28. Note: Noise from the AC adapter does not always indicate a defect. Checking operational charging...
Lenovo ideapad 305-14IBD 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.
Lenovo ideapad 305-14IBD Related service information This chapter presents the following information: • “Restoring the factory contents by using Recovery Disc Set” on page 23 • “Passwords” on page 24 • “Power management” on page 25 Restoring the factory contents by using Recovery Disc Set...
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 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). If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on.
Lenovo ideapad 305-14IBD 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.
Page 30
Lenovo ideapad 305-14IBD 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: • For Window 7 operating system: Click Start Shut down.
Page 31
Lenovo ideapad 305-14IBD • Right-click the Start button in the lower-left corner and select Shut down or sign out Shut down. • On the Start screen, click and select Shut down. Note: This operation depends on your BIOS settings. Please refer to the...
• “FRU replacement notices” on page 32 • “Removing and replacing an FRU” on page 33 • “Locations” on page 63 • “Parts list” on page 66 Specifications The following table lists the specifications of the Lenovo ideapad 305-14IBD: Table 1. Specifications Feature Description Processor To view the processor information, do the following: •...
Page 33
Lenovo ideapad 305-14IBD Table 1. Specifications (continued) Feature Description I/O ports • Combo audio jack × 1 • RJ45 × 1 • HDMI port × 1 • USB 2.0 × 1, USB 3.0 × 2 • 4 in 1 slot × 1 (SD, SDHC, SDXC, MMC) Audio •...
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Status Meaning • The battery has a charge between 20% and 100% and the AC adapter is not connected to the computer.
Lenovo ideapad 305-14IBD Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 3. Fn key combinations Key combination Description Fn + Home: Activate the pause function. Fn + End: Activate the break function.
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 ideapad 305-14IBD 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 ideapad 305-14IBD Hardware Maintenance Manual 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 battery latch .
Lenovo ideapad 305-14IBD 1020 Optical drive For access, remove this FRU: “1010 Battery pack” on page 34 Figure 2. Removal steps of optical drive Remove the screw . Then remove the optical drive by arrow Step Screw (quantity) Color Torque...
Page 40
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Figure 2. Removal steps of optical drive (continued) Remove the two screws and remove the optical drive bracket in the direction by arrow Step Screw (quantity) Color Torque M2 x 3 mm, flat-head, nylok-coated (2) Black 1.0~1.5kgf.cm...
Lenovo ideapad 305-14IBD 1030 Bottom slot cover For access, remove this FRU: “1010 Battery pack” on page 34 Figure 3. Removal steps of bottom slot cover Remove the two screws . Then remove the bottom slot cover by arrow Step...
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 1040 Hard disk drive For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Bottom slot cover” on page 37 Attention: • Do not drop the hard disk drive or apply any physical shock to it.
Page 43
Lenovo ideapad 305-14IBD Figure 4. Removal steps of hard disk drive (continued) Remove four screws and detach the hard disk drive from the metal frame in the direction shown by arrow Step Screw (quantity) Color Torque M3 x 3 mm, flat-head, nylok-coated (4) Silver 2.5~3.0kgf.cm...
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 1050 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Bottom slot cover” on page 37 Figure 5. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the...
Important: 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 5. Parts list—Overall” on page 71 for Lenovo part numbers for the approved modules.
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 1070 Keyboard For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 7. Removal steps of keyboard Remove three screws Step Screw (quantity) Color Torque M2 x 6 mm, flat-head, nylok-coated (3) Black 1.5~2.0kgf.cm...
Page 47
Lenovo ideapad 305-14IBD Figure 7. Removal steps of keyboard (continued) Lift up the keyboard and disconnect the connector in the direction shown by arrows . Be careful not to damage the connector. When installing: Make sure that the keyboard connector is attached firmly to...
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 1080 Keyboard bezel For access, remove these FRUs: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 • “1070 Keyboard” on page 42 Figure 8.
Page 49
Lenovo ideapad 305-14IBD Figure 8. Removal steps of keyboard bezel (continued) Disconnect four connectors in the direction shown by arrow and remove the keyboard bezel by arrow When installing: Make sure that all the connectors are attached firmly.
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 1090 Finger print, power board and led board For access, remove these FRUs: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 •...
Page 51
Lenovo ideapad 305-14IBD Figure 9. Removal steps of finger print, power board and power board (continued) Peel off the adhesive of the led board FPC. Then remove the led board from its cavity in the direction by arrow When installing: Make sure that the finger print connector is attached firmly.
Lenovo ideapad 305-14IBD 1110 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.
Page 54
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Figure 11. Removal steps of system board (continued) Disconnect the USB board connector in the direction shown by arrow . Then disconnect the EDP connector in the direction shown by arrow Remove the screw .
Lenovo ideapad 305-14IBD 1120 Fan and heat sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 • “1040 Hard disk drive” on page 38 •...
Lenovo ideapad 305-14IBD 1140 LCD unit and base cover For access, remove these FRUs: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 • “1040 Hard disk drive” on page 38 •...
Page 58
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Figure 14. Removal steps of LCD unit and base cover (continued) Remove the LCD unit from the base cover in the direction by arrow...
Page 59
Lenovo ideapad 305-14IBD For Windows 7 operating System: Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following...
Page 60
Lenovo ideapad 305-14IBD Hardware Maintenance Manual For Windows 8 operating System: Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following...
Lenovo ideapad 305-14IBD 1150 LCD front bezel For access, remove these FRUs: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 • “1040 Hard disk drive” on page 38 •...
Lenovo ideapad 305-14IBD Hardware Maintenance Manual 1160 LCD panel For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 • “1040 Hard disk drive” on page 38 •...
Page 63
Lenovo ideapad 305-14IBD Figure 16. Removal steps of LCD panel (continued) Turn over the LCD module in the direction as shown by arrow . Disconnect the connector by arrow to remove the LCD panel in the direction by arrow When installing: Make sure that the LCD panel connector is attached firmly.
Lenovo ideapad 305-14IBD 1180 Antenna, LCD cable, and integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Optical drive” on page 35 • “1030 Bottom slot cover” on page 37 • “1040 Hard disk drive” on page 38 •...
Page 66
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Figure 18. Removal steps of Antenna, LCD cable, and integrated camera Release two antenna cables and one LCD cable from the cable guide. Detach the adhesive of the antenna to remove them in the direction by arrow When installing: •...
Attention: Do not attempt to replace an FRU on your own. If an FRU is damaged, contact a Lenovo authorized servicer or a marketing representative for replacement or repair. Only qualified technicians can inspect or repair this product.
Lenovo ideapad 305-14IBD LCD FRUs In Lenovo ideapad 305-14IBD, the type of LCD is 14.0-inch.
Page 76
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Table 6. Parts list—15.6-in. HD TFT No. FRU FRU no. ZIWB2LCDBezelW/Camera/Magnet/Mylar 90205434 ZIWB2LCDBezelWO/Camera/Magnet/Myla 90205435 Panel, LP140WH8-TPD1 5D10F76129 Panel, LG LP140WH8-TPH1 HDT AG F NB 5D10H91343 Panel, AUO B140XTN03.3 3A HD AG F LED1 NB...
Lenovo ideapad 305-14IBD Keyboard Table 7. Parts list—Keyboard FRU no. Chicony English 5N20H03103 (Silver U.K. English 5N20H03076 Frame K/B) Italian 5N20H03018 Spanish 5N20H02957 Turkish 5N20H03078 Thai 5N20H03019 Portuguese 5N20H02958 Latin 5N20H02966 Canadian English&French 5N20H03089 Korean 5N20H03029 Traditional Chinese 5N20H02972 Russian...
Page 78
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) FRU no. Liteon English 5N20H03008 (Silver U.K. English 5N20H03125 Frame K/B) Italian 5N20H03065 Spanish 5N20H03009 Turkish 5N20H03129 Thai 5N20H03070 Portuguese 5N20H03013 Latin 5N20H03132 Canadian English&French 5N20H03073 Korean 5N20H03016 Traditional Chinese...
Page 79
Lenovo ideapad 305-14IBD Table 7. Parts list—Keyboard (continued) FRU no. Sunrex English 5N20H02965 (Silver U.K. English 5N20H03084 Frame K/B) Italian 5N20H03024 Spanish 5N20H02962 Turkish 5N20H03086 Thai 5N20H03027 Portuguese 5N20H02964 Latin 5N20H03111 Canadian English&French 5N20H03052 Korean 5N20H02996 Traditional Chinese 5N20H03115 Russian...
Page 80
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) FRU no. Chicony English 5N20J64885 (Golden U.K. English 5N20J64861 Frame K/B) Italian 5N20J64848 Spanish 5N20J64876 Turkish 5N20J64901 Thai 5N20J64838 Portuguese 5N20J64870 Latin 5N20J64895 Canadian English&French 5N20J64830 Korean 5N20J64860 Traditional Chinese...
Page 81
Lenovo ideapad 305-14IBD Table 7. Parts list—Keyboard (continued) FRU no. Liteon English 5N20J64832 (Golden U.K. English 5N20J64862 Frame K/B) Italian 5N20J64889 Spanish 5N20J64828 Turkish 5N20J64859 Thai 5N20J64887 Portuguese 5N20J64825 Latin 5N20J64858 Canadian English&French 5N20J64886 Korean 5N20J64822 Traditional Chinese 5N20J64854 Russian...
Page 82
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) FRU no. Sunrex English 5N20J64899 (Golden U.K. English 5N20J64834 Frame K/B) Italian 5N20J64865 Spanish 5N20J64892 Turkish 5N20J64829 Thai 5N20J64857 Portuguese 5N20J64904 Latin 5N20J64840 Canadian English&French 5N20J64872 Korean 5N20J64896 Traditional Chinese...
Lenovo ideapad 305-14IBD 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 UK 3pin 145000593 • LINETEK LP-61L+ H03VV-F+ LS15 1m...
Page 86
Lenovo ideapad 305-14IBD Hardware Maintenance Manual Region Japan 3pin 145000530 • VOLEX VAC5S+VCTF+M755 1m Japan 3pin 145500005 • lux 0018(E)+VCTF 0.75/3C+0021 1m Australia 3pin 145000589 • LINETEK LS15+H03VV-F+LP-23A 1m Australia 3pin 145000557 • Longwell LP-23A+LFC-3R+LS-18 1m Australia 3pin 145000532 •...
Page 87
Lenovo ideapad 305-14IBD Region Brazil 3pin 145000564 • Longwell LP-46+H03VV-F+LS-18 1m Brazil 3pin 145000527 • VOLEX CH10S3+H03VV-F+VAC5S 1m Brazil 3pin 145500011 • lux 0034+H03VV-F 0.75/3C+0011 1m Israel 3pin 145000595 • LINETEK LS15+H03VV-F+LP-41 1m Israel 3pin 145000563 • Longwell LP-41+H03VV-F+LS-18 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 ®...
Need help?
Do you have a question about the ideapad 305-14IBD and is the answer not in the manual?
Questions and answers