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Flashing lightning bolt on Compaq C300

I have Compaq C300. The lightning bolt repeatedly flashes. Is the battery bad or do I have a power connection problem? Background: The household cat ate through the AC power cord. The system ran for a while and would shut down indicating that it was running on a dying battery. I have replaced the power supply and now when I connect it the system fan come on for a perhaps a second and the start up lights flash orange then the system shuts down and the the lightning bold flashes orange. When I press the power button the system seem to want to start up and the light on the power button flashes organge for a few seconds and then shut off leaving only the lightning bolt flashing. Is this a power supply problem or a battery problem?

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  • cglancy57 Dec 09, 2008

    Thank you all for your speedy response. I have removed the battery and have attempted to boot up the system but to avail. The amber lightning bolt is still blinking but before the blinking followed a consistent pattern. Now it blinks in an irregular pattern. The system has been idle for several months. Is there a clock battery in the system that may have also become depleted?

  • cglancy57 Dec 09, 2008

    The power cord is the exact replacement model number for the power cord that came with the computer. Both are 18.5 volt. 3.5 amp adapters. I ordered the replacement based on the model number.

  • cglancy57 Dec 10, 2008

    No upgrades.

  • bellanca guy Jan 03, 2009

    I have the same problem. I have different batteries and diferent power supplies and still the same problem. We are well past the "is it plugged in" question here guys! Does anyone have an idea other than a guess?

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This sounds like a battery problem. The best way to test this is to remove the battery and then power the laptop up with just the power cord plugged in but no battery. If the computer boots then the battery is bad you will need a replacement. Also try letting the battery charge for a day. Be sure that the charging light is coming on when you have it plugged in.

Posted on Dec 09, 2008

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I think the battery is depleted so the power supply can no longer charge the battery

Posted on Dec 09, 2008

  • Efren Javier
    Efren Javier Dec 13, 2008

    my final conclusion would be both battery and power cords have problems first, the power cord doesn't chrage the battery causing the battery to ran out i think you just have to replace the cord

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Try turning the system on with the battery removed and the power supply connected, cause it sounds like you power supply is not working

Posted on Dec 09, 2008

  • Eric Mitchell
    Eric Mitchell Dec 09, 2008

    can you give more information on the power cord you got for it

  • Eric Mitchell
    Eric Mitchell Dec 09, 2008

    That power cord meets the requirments but you system is lacking power have (sense this happend) you upgraded anything in the laptop?

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