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Lenovo U300E manual Lenovo IdeaPad U300e Hardware Maintenance Manual

Models: U300E

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Lenovo IdeaPad U300e Hardware Maintenance Manual

Figure 10. Removal steps of keyboard and keyboard bezel (continued)

Remove four screws 8, then remove two brackets in the direction shown by arrows 9.

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8

8

8

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Step		Screw (quantity)		Color		Torque
8		M2 × 3 mm, flat-head, nylok-coated (4)		Black		1.5 ± 0.2 kgfcm
8		M2 × 3 mm, flat-head, nylok-coated (4)		Black		1.5 ± 0.2 kgfcm

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Lenovo U300E Lenovo IdeaPad U300e Hardware Maintenance Manual, Removal steps of keyboard and keyboard bezel continued

Contents

Hardware Maintenance Manual Lenovo IdeaPad U300eFirst Edition Oct Copyright Lenovo 2011. All rights reserved Contents Safety informationAbout this manual General checkoutAbout this manual Lenovo IdeaPad U300eSafety information Safety informationLenovo IdeaPad U300e Hardware Maintenance Manual General safetyElectrical safety Safety informationLenovo IdeaPad U300e Hardware Maintenance Manual Power supply units Pumps Blowers and fans Motor generatorsSafety inspection guide Safety informationLenovo IdeaPad U300e Hardware Maintenance Manual Handling devices that are sensitive to electrostatic dischargeGrounding requirements Safety information Safety notices multilingual translationsSafety notice Safety notice DANGER Lenovo IdeaPad U300e Hardware Maintenance ManualThe 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. Use of an incorrect battery can result in ignition or explosion of the battery Safety informationSafety notice 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 100C 212F, incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery Lenovo IdeaPad U300e Hardware Maintenance ManualSafety notice DANGER 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 Safety informationSafety notice Lenovo IdeaPad U300e Hardware Maintenance Manual Safety notice DANGERSafety notice DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter cardBefore removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables Safety informationSafety notice DANGER Laser compliance statement Lenovo IdeaPad U300e Hardware Maintenance ManualDANGER Safety informationImportant service information Before replacing partsStrategy for replacing FRUs Lenovo IdeaPad U300e Hardware Maintenance ManualImportant notice for replacing a system board Important service informationStrategy for replacing a hard disk drive Replacement FRU Important information about replacing RoHS compliant FRUsLenovo IdeaPad U300e Hardware Maintenance Manual Important notes General checkoutGeneral checkout Lenovo IdeaPad U300e Hardware Maintenance Manual The following are not covered under warrantyWhat to do first Power system checkout Checking the AC adapterChecking operational charging General checkoutLenovo IdeaPad U300e 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 packRelated service information Restoring the factory contents by using OneKey RecoveryRestore of factory default Using recovery discsPasswords Power-on passwordSupervisor password Lenovo IdeaPad U300e Hardware Maintenance ManualPower management Screen blank modeSleep standby mode Related service informationHibernation mode Lenovo IdeaPad U300e Hardware Maintenance ManualLenovo IdeaPad U300e SpecificationsLenovo IdeaPad U300e Table 1. Specifications continued Lenovo IdeaPad U300e Hardware Maintenance ManualStatus indicators Table 2. Status indicatorsThe system status indicators below show the computer status Lenovo IdeaPad U300eLenovo IdeaPad U300e Hardware Maintenance Manual Function key combinationsTable 4. Hotkey FRU replacement notices Screw noticesPlastic to plastic Logic card to plasticDANGER Removing and replacing an FRULenovo IdeaPad U300e Hardware Maintenance Manual Lenovo IdeaPad U300e 1010 Base coverFigure 1. Removal steps of base cover Note Applying labels to the base cover Lenovo IdeaPad U300e Hardware Maintenance Manual1020 Battery pack Figure 2. Removal steps of battery packLenovo IdeaPad U300e DANGERLenovo IdeaPad U300e Hardware Maintenance Manual 1030 Hard disk driveFigure 3. Removal steps of hard disk drive Lenovo IdeaPad U300e 1040 DIMMFigure 4. Removal steps of DIMM Lenovo IdeaPad U300e Hardware Maintenance Manual 1050 PCI Express Mini Card for wireless LANFigure 5. Removal steps of PCI Express Mini Card for wireless LAN When installing Lenovo IdeaPad U300eLenovo IdeaPad U300e Hardware Maintenance Manual 1060 Fan assembly and Heat Sink assemblyFigure 6. Removal steps of fan assembly and heat sink assembly Lenovo IdeaPad U300e Lift the fan assembly and heat sink assembly in the direction shown by arrow 4. Be careful not to damage the connectorWhen installing Lenovo IdeaPad U300e Hardware Maintenance Manual 1070 System boardImportant notices for handling the system board Lenovo IdeaPad U300e Figure 7. Removal steps of system boardWhen installing Make sure that all the connectors are attached firmly Figure 7. Removal steps of system board continued Lenovo IdeaPad U300e Hardware Maintenance ManualLenovo IdeaPad U300e 1080 Speakers and microphoneFigure 8. Removal steps of speakers and microphone Remove the microphone in the direction shown by arrow Figure 8. Removal steps of the speakers and microphone continuedLenovo IdeaPad U300e Hardware Maintenance Manual Lenovo IdeaPad U300e 1090 LCD unitFigure 9. Removal steps of LCD unit Figure 9. Removal steps of LCD unit continued Lenovo IdeaPad U300e Hardware Maintenance ManualWhen installing Remove the LCD unit in the direction shown by arrowsLenovo IdeaPad U300e 1100 Keyboard and keyboard bezelFigure 10. Removal steps of keyboard and keyboard bezel Figure 10. Removal steps of keyboard and keyboard bezel continued Lenovo IdeaPad U300e Hardware Maintenance ManualFigure 10. Removal steps of keyboard and keyboard bezel continued Remove the system status indicators board in the direction shown by arrowLenovo IdeaPad U300e Lenovo IdeaPad U300e Hardware Maintenance Manual Figure 10. Removal steps of keyboard and keyboard bezel continuedLenovo IdeaPad U300e LocationsFront view Right-side view Bottom and Left-side viewLenovo IdeaPad U300e Hardware Maintenance Manual 5 AC power adapter jackParts list This section presents the following service parts “Overall” on page“AC adapters” on page “Power cords” on page Lenovo IdeaPad U300eOverall Lenovo IdeaPad U300e Hardware Maintenance ManualTable 5. Parts list-Overall Lenovo IdeaPad U300eNo. FRU FRU noTable 5. Parts list-Overall continued Lenovo IdeaPad U300e Hardware Maintenance ManualLenovo IdeaPad U300e Table 6 . Parts list-KeyboardKeyboard Table 6. Parts list-Keyboard continued Lenovo IdeaPad U300e Hardware Maintenance ManualLenovo IdeaPad U300e Table 7. Parts list-Miscellaneous partsMiscellaneous parts Lenovo IdeaPad U300e Hardware Maintenance Manual Table 8. Parts list-AC adaptersAC adapters Lenovo IdeaPad U300e Power cordsTable 9. Parts list-3-pin power cords Table 9. Parts list-3-pin power cords continued Lenovo IdeaPad U300e Hardware Maintenance ManualTable 9. Parts list-3-pin power cords continued Lenovo IdeaPad U300eTable 10. Parts list-2-pin power cords Lenovo IdeaPad U300e Hardware Maintenance ManualTable 10. Parts list-2-pin power cords continued UL 2PIN 1m power cord UK 2PIN 1m power cord Indian 2PIN 1m power cordItaly 2PIN 1m power cord Korea 2PIN 1m power cord Australia 2PIN 1m power cord Taiwan2PIN 1m power cord Japan 2PIN 1m power cordNotices Lenovo IdeaPad U300e Hardware Maintenance ManualTrademarks Notices