Lenovo U300E manual Safety information

Page 17

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.

Die Stromzufuhr muß abgeschaltet, alle Stromkabel aus der Steckdose gezogen, der Akku entfernt und alle Verbindungskabel abgenommen sein, bevor eine FRU entfernt wird.

Prima di rimuovere qualsiasi FRU, spegnere il sistema, scollegare dalle prese elettriche tutti i cavi di alimentazione, rimuovere la batteria e poi scollegare i cavi di interconnessione.

Antes de quitar una FRU, apague el sistema, desenchufe todos los cables de las tomas de corriente eléctrica, quite la batería y, a continuación, desconecte cualquier cable de conexión entre dispositivos.

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Contents Lenovo IdeaPad U300e First Edition Oct Copyright Lenovo 2011. All rights reserved Contents About this manual Safety information General safety Electrical safety Lenovo IdeaPad U300e Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notice Safety notices multilingual translationsLenovo IdeaPad U300e Hardware Maintenance Manual Safety information Lenovo IdeaPad U300e Hardware Maintenance Manual Safety information Lenovo IdeaPad U300e Hardware Maintenance Manual Safety information Laser compliance statement Safety information Strategy for replacing FRUs Important service informationImportant notice for replacing a system board Strategy for replacing a hard disk driveImportant information about replacing RoHS compliant FRUs General checkout What to do first Following are not covered under warrantyChecking operational charging Power system checkoutChecking the AC adapter Lenovo IdeaPad U300e Hardware Maintenance Manual Restoring the factory contents by using OneKey Recovery Related service informationSupervisor password PasswordsPower-on password Sleep standby mode Power managementScreen blank mode Hibernation mode Lenovo IdeaPad U300e SpecificationsSpecifications Status indicators Status indicatorsHotkey Function key combinationsScrew notices FRU replacement noticesRemoving and replacing an FRU Removal steps of base cover Base coverLenovo IdeaPad U300e Hardware Maintenance Manual Removal steps of battery pack Battery packRemoval steps of hard disk drive Hard disk driveRemoval steps of Dimm DimmRemoval steps of PCI Express Mini Card for wireless LAN PCI Express Mini Card for wireless LANWhen installing Removal steps of fan assembly and heat sink assembly Fan assembly and Heat Sink assemblyLenovo IdeaPad U300e Important notices for handling the system board System boardRemoval steps of system board Lenovo IdeaPad U300e Hardware Maintenance Manual Removal steps of speakers and microphone Speakers and microphoneRemoval steps of the speakers and microphone Removal steps of LCD unit LCD unitWhen installing Removal steps of keyboard and keyboard bezel Keyboard and keyboard bezelM2 × 3 mm, flat-head, nylok-coated Black M2 × 5 mm, flat-head, nylok-coated Black Lenovo IdeaPad U300e Hardware Maintenance Manual Front view LocationsBottom and Left-side view Right-side viewParts list Overall No. FRU FRU no Parts list-OverallLenovo IdeaPad U300e Hardware Maintenance Manual Keyboard Parts list-KeyboardLenovo IdeaPad U300e Hardware Maintenance Manual Miscellaneous parts Parts list-Miscellaneous partsAC adapters Parts list-AC adaptersParts list-3-pin power cords Power cords145000525 145000553 UK 2PIN Parts list-2-pin power cordsLenovo IdeaPad U300e Lenovo IdeaPad U300e Hardware Maintenance Manual Trademarks