Cru List - Lenovo Thinkbook Series Hardware Maintenance Manual

• 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: Lenovo ThinkBook 14-IML (Machine type: 20RV)
CRU
ac power adapter
Table 2. Model: Lenovo ThinkBook 15-IML (Machine type: 20RW)
CRU
ac power adapter
Table 3. Model: Lenovo ThinkBook 14-IIL (Machine type: 20SL)
CRU
ac power adapter
Table 4. Model: Lenovo ThinkBook 15-IIL (Machine type: 20SM)
CRU
ac power adapter
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Lenovo Thinkbook series Hardware Maintenance Manual
Type
self-service
Type
self-service
Type
self-service
Type
self-service