Acer AL1716 power supply failure

Acer AL1716, manufactured in July 2006, Model no. ET.1716P.175

The screen would flash its power LED and squeal. The backlight would not come on.

All electrolytic capacitors in the power supply, except for the main rectifier capacitor and the small one by the transformer, had failed. Replacement by Nichicon HE and Chemi-Con KY of the same values fixed the issue.

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