Cru List - Lenovo ThinkBook 14 G4 IAP 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: ThinkBook 14 G4 IAP (MT: 21DH)
CRU
ac power adapter
Power cord *
Ear phones
Table 2. Model: ThinkBook 14 G4 ABA (MT: 21DK)
CRU
ac power adapter
Power cord *
Ear phones
Table 3. Model: ThinkBook 15 G4 IAP (MT: 21DJ)
CRU
ac power adapter
Power cord *
Ear phones
Table 4. Model: ThinkBook 15 G4 ABA (MT: 21DL)
CRU
ac power adapter
Power cord *
Ear phones
* for selected models
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Hardware Maintenance Manual
Type
self-service
self-service
self-service
Type
self-service
self-service
self-service
Type
self-service
self-service
self-service
Type
self-service
self-service
self-service