Gateway M255E Notebook sporadic screen black out
Posted 24 December 2012 - 06:54 PM
Posted 25 December 2012 - 06:33 AM
Good troubleshooting done already so well done for that
What you describe could indeed be a backlight problem but it could also be an inverter issue, what the inverter does is control the amount of power going to the backlight, when one goes bad the output becomes unstable and so it will function ok one minute but not the next.
Replacing an inverter is both less expensive and less difficult to do than it is a backlight, many techs though will replace both the backlight and the inverter at the same time to save having to dismantle the notebook again if for example they have replaced the backlight only to find that the inverter is bad or vice versa, unfortunately only you can decide whether you replace the inverter or backlight first or both at the same time.
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