• Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an
incompatible card
• Improper disc insertion or use of an external optical drive
• Fuses blown by attachment of a non-supported device
• Forgotten computer password (making the computer unusable)
• Sticky keys caused by spilling a liquid onto the keyboard
• Use of an incorrect ac power adapter on laptop products
The following symptoms might indicate damage caused by non-warranted activities:
• Missing parts might be a symptom of unauthorized service or modification.
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard
disk drive might have been dropped or subject to excessive force.
CRU list
Table 1. Model: IdeaPad 3 (14", 05) (Machine types: 81W0, 81W3, 81WA, 81WD, and 81WH)
CRU
Type
ac power adapter self-service
Table 2. Model: IdeaPad 3 (15", 05) (Machine type: 81W1, 81W4, 81WB, 81WE, 81WQ, 81WR, 82BQ, 82BR, 82BS,
82BT, and 82BU)
CRU
Type
ac power adapter self-service
Table 3. Model: IdeaPad 3 (17", 05) (Machine type: 81W2, 81W5, and 81WC)
CRU Type
ac power adapter self-service
22 IdeaPad 3 (14", 05), IdeaPad 3 (15", 05), and IdeaPad 3 (17", 05) Hardware Maintenance Manual