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    Presario 2100 - Battery problem...HELP!

    Discussion in 'HP' started by lacv75, Feb 3, 2006.

  1. lacv75

    lacv75 Notebook Geek

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    Hi all,

    I have this 3 yr old Presario that, even though is being replaced in a week, I want to keep using.

    I bought a new battery 4 months ago and it worked fine at the beginning (2.5 hrs of battery). Now, the battery lasts no more than 15-20 mins.

    The weird thing is that if I detach the battery and use the manual charge indicator on the side of the battery it shows that there's still 75% of charge on it. :confused:

    I tried reducing the contrast on the screen, changing the battery setting to "Max Battery", I used the "Battery Optimizer" tool in the menu....

    I don't know what to do...BTW, the battery has a 90-day warranty (how convenient!)

    Anybody with similar issues? Thanks!
     
    lacv75, Feb 3, 2006
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  2. fill2k

    fill2k Notebook Consultant

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    You can try disabling all power saving feature, and run the battery and charge again.

    That should make the Laptop/Windows battery gauge accurate again.
     
    fill2k, Feb 3, 2006
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  3. lacv75

    lacv75 Notebook Geek

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    Thanks fill2k!

    What you are referring to is set the battery operating mode to "Always On" or "Minimal Power Management" ?

    If so, I'll try it right away...
     
    lacv75, Feb 3, 2006
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  4. fill2k

    fill2k Notebook Consultant

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    yes. that correct. also, disable the "Turning of harddrive & monitor", the standby and hibernate.

    another way is to make a bootable DOS disk, and boot from the disk. DOS has no power saving feature, so it should run the battery down.
     
    fill2k, Feb 3, 2006
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  5. lacv75

    lacv75 Notebook Geek

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    Would you please give me more details on how to diasble the HDD and monitor?

    Same for bootable DOS disk...

    Thanks!
     
    lacv75, Feb 4, 2006
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  6. fill2k

    fill2k Notebook Consultant

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    Control Panel, Power Options (when in Classic View).

    Select "Always On", and "Never" on all monitor, harddisk, Standby, and Hibernate.
     
    fill2k, Feb 5, 2006
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  7. lacv75

    lacv75 Notebook Geek

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    ok thanks! I'l try that this morning...
     
    lacv75, Feb 6, 2006
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  8. rdflynn63

    rdflynn63 Newbie

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    I cannot charge the Presario 2100 battery. The labtop works fine when it is is plugged in but even when I leave it plugged in for a night, the battery still reads 0% charged the following morning. Is it possible to recharge the battery?
     
    rdflynn63, Jan 28, 2008
    #8