Hardware Maintenance Manual - IdeaPad U300, U300s and U400
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... unusable) •• Sticky keys caused by spilling a liquid onto the keyboard •• Use of an incorrect AC adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities: •• Missing parts might indicate that the system was subjected to stress... •• If the spindle of a hard disk drive becomes noisy, it : 1. Date on which the failing FRU was detected 6. Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual What to do first When you do return an FRU, you attach to excessive force, or dropped. 20 Date of ...
... unusable) •• Sticky keys caused by spilling a liquid onto the keyboard •• Use of an incorrect AC adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities: •• Missing parts might indicate that the system was subjected to stress... •• If the spindle of a hard disk drive becomes noisy, it : 1. Date on which the failing FRU was detected 6. Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual What to do first When you do return an FRU, you attach to excessive force, or dropped. 20 Date of ...