Question about Acer Extensa 4620 Notebook

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I have acer extensa 4620. it is showing problem in start time. that is :- when we on laptop green LED on and after few second auto off and not show display. if we connect adopter with laptop and then on/off switch automatic on and off continue.. and not show display. but sometime it is on with adopter and without.

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  • devendra_gup Nov 15, 2009

    you can't understand our problem. it is not a a/c connector problem. it is ok. actually when we connect adopter in laptop. it is on/off itself after few second.

  • devendra_gup Nov 15, 2009

    i hope. you give me sure solution. apas

  • devendra_gup Nov 15, 2009

    it is not display anythings.and not shuts down itself.
    because system not start.



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Ok.. we need to do some translation first:
1. 'we on laptop green led on' ---> what picture is right above the green led that is on?? is it the battery? is it the little computer and it says says "on"? which one??
2. "auto off' ---> are you saying that the computer shuts down by itself? or is the green led that goes off completely?

just to try to shoot an answer to ya with what I can get out of your question is that you may have a problem with the battery or most likely with the a/c connector that goes to your motherboard, check if that connector is loose, check if it's secured, if it's loose you may have to have some one sold it back on

it could also be the inverter, an electrical component on your laptop that converts dc to ac so you have backlight on your laptop monitor.. it could be failing... or it could be the backlight itself that is failing. there's a a little retractil button that you can press to 'reset' the backlight (like closing the opening the the monitor panel), press that little button and see if you get an image again.. some times you may need to do it until it starts working again on it's own.

good luck to you!

Posted on Nov 15, 2009

  • Francisco Cortes
    Francisco Cortes Nov 15, 2009

    you are right.. I can't understand your problem, my apologies:

    let me give it another shot:

    you say: "after we connect our laptop it's on/off itself after few second"

    when the laptop shuts down by itself could be 2 possible things that I can think of:

    1. assuming that it gets power fine (no a/c problem as you said and battery is holding the charge) it could be an cpu overheating problem. when the cpu is not properly ventilated (cooled) to prevent further damage it shuts down. check you have proper ventilation, check if you hear a fan coming on when you try to start the computer.. it should. you may need to replace the ventilation mechanism on you system or cpu is about to fail.

    2. it could be a virus that corrupted the code and program that runs when the computer starts. the solution for that is simply to reinstall the os from the recovery partition or recovery discs. (depending the brand and how old your laptop is you should have either one of those.)

    3. it could be your motherboard, although it's hard to say based on the details of your description.



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