Apple iMac G5 Manual do Utilizador descarregar pdf (Página 256)

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iMac G5, 17-inch Troubleshooting

Symptom Charts

Power Issues

No Power. The iMac G5 will not turn on.

1. Refer to the iMac G5 Repair Extension Program for video and power issues

mentioned at the beginning of this chapter.

2. Verify power outlet is good. Plug a different device into the socket to ensure there is

power, or plug the iMac G5 into another outlet.

3. Check the power cord. Use a known good power cord.

4. Check the connection of the power cord on both ends. Verify that the plug is securely

plugged into both the AC outlet and back of the computer.

5. Remove keyboard, mouse, and other peripherals such as speakers. Try starting up the

computer with these devices removed.

6. Remove the back cover to access the diagnostic LEDs on the main logic board. See

“Diagnostic LEDs” in this chapter for complete instructions on this procedure.

7. Locate LEDs 1 through 4 above the large white arrow in the middle of the main logic

board (near the fan cover).

1 2 ... 251 252 253 254 255 256 257 258 259 260 261 ... 312 313

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Apple iMac G5 Manual do Utilizador Página 256

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