Acer travelmate 2490-no power

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met

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Hy,
Laptop Acer travelmate 2490 - no power.
When i press power,fan start for 1 sec and stop .
I try to start just with CPU,without another components(HDD,RAM),same problem.
I check the components of DCIN part(pag 41 in attach.) but is OK.
Any idea?
 

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  • Acer Aspire 3690 LA-3081P_HBL51.pdf
    1.1 MB · Views: 94

Did you try different power supplies? Adapter? Battery pack?

Activity for 1 sec, could be it testing for correct voltage at one or more locations in the circuitry.

Example, a short circuit will cause an error, and cause shutdown.

The problem will be difficult to diagnose.

Do you hear it beeping at any time? The number of beeps is a code telling what's wrong.
 
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    met

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I want to buy a universal LCD controler,for the laptop screen .
**broken link removed**
It's ok? Or else ?
 

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