Apple A1267 Specifications download pdf (Page 20)

LED Cinema Display (24-inch) Symptom Charts — Startup and Power Issues 20

2010-02-08

MagSafe Adapter – No Power

Unlikely cause: LCD panel, logic board, blower, subwoofer, speakers, camera, microphone

Quick Check

Symptoms Quick Check

MagSafe Adapter – No Power

No power to MagSafe •

connector

MagSafe connector status LED •

does not illuminate

No power to portable •

computer without battery

Verify power source. 1.

Verify display is operating.2.

Ensure MagSafe connector and receptacle are 3.

clean.

Verify LED glowing amber or green when 4.

MagSafe connector attached to compatible

portable computer.

Deep Dive

Check Result Action Code

Attach MagSafe cable to 1.

known-good compatible

system. Verify connector status

LED illuminates amber or

green.

Yes LED color illuminates amber

or green depending on

charging state. Go to step 4.

No Go to step 2.

Visually inspect MagSafe cable 2.

and user’s portable MagSafe

receptacle for physical damage,

stuck pins, debris, or metal

fragments.

Yes

See kBase #HT2315.

Go to step 4.

No Go to step 3.

Verify after unplugging and 3.

replugging the display’s AC

power cord, the MagSafe

connector LED color illuminates

amber or green depending

charging state.

Yes Go to step 4.

Replace all-in-one cable. P15

Verify a known-good 4.

compatible system operates,

and charges a discharged

battery to 100% simultaneously

from MagSafe cable.

Yes Repair complete.

Replace power supply.

If needed afterwards, refer

to Dead Unit/No Power

symptom code ow.

P01

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Apple A1267 Specifications Page 20

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