Damage in 56W AC-Adapter, plastic housing melted

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Problem Description

Some 56W (also called 54 watt) adapters manufactured by Delta Electronics Inc. may suffer overheat, resulting in melting of adapter housing and charring of the circuit board inside the housing.

Only some pieces unites are affected: P/N 02K6549 (FRU P/N 02K6550), only if it has three hollow pins. No other IBM ThinkPad AC adapters are affected.

Affected Models

Laptops that originally carry this AC-adapter are:

(but you may be also using this 56W adapter with other ThinkPad models!!).

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