Acer Aspire 4310 laptop power shut off after 2 seconds

Discussion in 'Troubleshooting and Repair' started by mikey5791, Nov 4, 2018.

  1. mikey5791

    mikey5791

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    Hi all,

    I have been using this laptop since 2007 without any issue. I have not added any hardware or install software since.
    Two days ago, when i switched on ac power as usual, the power led lit for 2 seconds and it shuts off without going
    to bios. The cpu fan doesn't even spin. The charger is checked to be normal at dc 19v.

    I had tried opened up the case and found nothing looked burned on the motherboard. Anyone here can suggest

    on how to diagnose no power step by step is appreciated. I will upload some pictures of the board later.
     

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    mikey5791, Nov 4, 2018
    #1
  2. mikey5791

    kellys_eye

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    Try a new charger - it may show 19V but does it show 19V when under full load conditions?

    Is the battery properly seated. Does it work? Some laptops require a good, working battery in order to power up.
     
    kellys_eye, Nov 4, 2018
    #2
    davenn likes this.
  3. mikey5791

    mikey5791

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    Hi, i tried a different charger for Acer laptop. It is still the same 2 second shut off.
    Fyi, this laptop can work alone on ac power while the battery is unplugged. Thanks for your comment. I still not able to upload
    Pictures or jpg photo since my camera at normal setting save jpg at about 1.65 mb. Any ideas how to upload??
     
    Last edited by a moderator: Nov 6, 2018
    mikey5791, Nov 6, 2018
    #3
  4. mikey5791

    Harald Kapp Moderator Moderator

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    Use an image manipulation program, e.g. GIMP, to reduce the size of the image file. Or set the camera to lower resolution.
     
    Harald Kapp, Nov 6, 2018
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  5. mikey5791

    Harald Kapp Moderator Moderator

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    Good point. This and the correct seatig of the memoy modules is discussed e.g. here. A new battery was teh remedy in that case.
     
    Harald Kapp, Nov 6, 2018
    #5
  6. mikey5791

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    That sounds like a reasonable suggestion.

    Normally, a dead battery simply won't charge, but it's possible that yours has a fault which pulls down the power supply and causes a rapid shutdown.
     
    (*steve*), Nov 6, 2018
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  7. mikey5791

    Harald Kapp Moderator Moderator

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    I'm sorry for not being completely clear. My reference is to the BIOS battery, a CR2032 or similar.According to post #3 this laptop doesn't even require the main battery for operation.
     
    Harald Kapp, Nov 6, 2018
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  8. mikey5791

    Alec_t

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    In that case I'd suspect the main battery has come to the end of its useful life. Even if the laptop works without a battery, the BMS may be shutting down the laptop as a safety measure to prevent chargibg of a faulty battery.
     
    Alec_t, Nov 6, 2018
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  9. mikey5791

    mikey5791

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    Fyi, after reading your replies, i checked the bios battery and it reads just 0.19v which no doubt is dead.
    I changed to a new CR2032 by solder the old battery tab to this new one. Switched on ac power and
    press on power but it still shut off after 2 seconds.
     
    mikey5791, Nov 9, 2018
    #9
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