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Acer 4062LCi Laptop (I'm a Systems Engineer) Fails to boot! Was working earlier today. POST returns 8 flashes on the amber LED battery indicator. Have been doing Windows XP updates. Task Manager shows near to 100% CPU usage with no identifiable program that I can 'End Task' that reduces it. Prior to carking it, was getting these persistently on very slow shutdown: End Program - EXPLORER.EXE End Program - HiddenFaxWindow Also with: ProcMon v1.25 02-Oct-2007 - Process Monitor Usage This program reports high CPU usage with 80% DPC's (Deferred Procedure Calls). I have a feeling these problems have something to do with the battery or with some hardware that is sending massive amounts of IRQ's.

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  • Danny Robinson
    Danny Robinson Jan 08, 2009

    Acer 4062LCi Laptop Fails to boot at all! Serious Alzheimers has set in.

    After depressing the Power button, POST returns 8 flashes on the amber LED battery indicator, then goes brain dead.

    I've found various Acer BIOS Post Error codes, but none that relate to the Amber LED battery indicator.

    No point in talking about HiJackThis, as it's not getting past POST.

  • Danny Robinson
    Danny Robinson Jan 10, 2009

    Problem Solved - Battery requires replacement:

    I had that feeling something was wrong with the battery, and I was right!

    Once or twice in the recent past, I removed the battery and attempted to turn the laptop on without the battery, but it wouldn't start, so never re-attempted to try again.

    Well, it got the better of me, so I removed the battery once more, and voila! the laptop sprung back to life, what's more, the high CPU Usage I was getting while the 'dud' battery was in, has now disappeared and everything seems mnormal, so it's off to purchase a replacement battery pack.



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As a systems engineer I daresay you did not use any hardware updates from the Microsoft Update page? If so roll back the drivers you downloaded

Alternatively if you identify processes that do not belong use the following program to terminate them
It is a straight-forward program called hijackthis it makes a log of the currently running processes and allows you to terminate ANY of them hence care is advised

I sincerely hope this helped


Posted on Jan 07, 2009


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