Acer AC4B SM50 KB.I140A.015 사용자 설명서

Chapter 4

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No hardware is listed under Other Devices.

13. If the Issue is still not resolved, see “Online Support Information” on page 209.

Other Failures

If the CRT Switch, Dock, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or 
Volume Wheel fail, perform the following general steps to correct the problem. Do not replace a non-defective 
FRUs:

Check Drive whether is OK.

Check Test Fixture is ok.

Swap M/B to Try.