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I have a friend with a Compaq Evo N60c laptop. He has asked me to see if i can get it working as there seems to be no life in it. It's plugged in but the battery has been fully discharged and even plugged in it takes NO power and is totally lifeless?? I have checked all the conections and all seems to be ok and there is power from the mains lead. (though not sure if there is enough power i'll have that checked today) Can anyone help move us on a little further with this or is this a common thing with Compaq?? Does it need fixing with a new one? Thanks in advance for any help. Rab.

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  • rabtmac Sep 15, 2008

    Hi,
    Thanks for the answers and yes it is the Compaq EVO N600C
    I've now had the power supply checked and its perfect putting out 18.72v so its fine
    I tried what was suggested except removing the CMOS battery as i don't know where abouts it is in the mashine.
    Also i ment to ask earlier is there a small fuse in the mashine at all??
    I get no light and it's as if the power just isn't getting into it????

  • rabtmac Sep 15, 2008

    Think i've just found the CMOS battery under the panel with the start button on it.
    Would this battery being dead cause the notebook to not show any sings of life??
    Not even a single neon light or even a glimmer of one??

  • rabtmac Sep 18, 2008

    Hi all,
    I just purchased a CMOS battery and installed it but still the same problem???
    No life in it at all.
    Do i need to put the battery in and leave it for a while or try to charege in ivertime.

    Thanks
    Rabtmac

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This often happens with notebook batteries - even unused, there is a limited shelf life. (I had a brand new one that, after sitting ready as a "spare" only, would not work after some 3 - 4 years.) As there appears to be no N60c notebook, it is assumed that you are referring to a 600, 610, of 620.

The primary issue you are having in booting up is, with a very high level of probability, the CMOS battery. Life on these internal batteries varies - some have been known to go in 5 years or less, and others are still active more than 15 years later. At any rate, experienced this directly - 2 machines that had sat unused for some 2 years, and when powered up, nothing. Both could not reasonably have been expected to "just die" at the same time. Turned out that replacement of CMOS battery solved all problems (for just a couple dollars each).

Finally, quick word of caution. The battery for the unit that has completely discharged should be removed. You may either replace it or use the battery compartment cover that should have been with the notebook, and utilize only the A/C adaptor. The reason for this is so that you can isolate the cause of the failure to boot. A laptop battery that has fully discharged could be a constant source of frustration and irritation to a notebook, causing numerous issues, including rebooting at will.

If this information assists you in resolving the problem, please take a moment to rate the solution at a "FixYa" level. If you do not feel that you can rate at a "FixYa", please post back with more information regarding what has occurred subsequently and/or more details regarding the situation, and I will gladly help you until we have reached a definitive solution. Thank you for using and rating FixYa!

Posted on Sep 15, 2008

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  • Cheryl Whalen Sep 15, 2008

    Yes, CMOS battery being dead will cause it to seem ENTIRELY dead.

  • Cheryl Whalen Sep 15, 2008

    Do you need help locating the battery?

  • Cheryl Whalen Sep 15, 2008

    Hi there. Did a little more searching for you, so you could actually see the placement of the CMOS battery within the machine. Go to http://bizsupport.austin.hp.com/bc/docs/..., section 5.6, which is titled "Disk Cell RTC Battery". There are good, strong (understandable) graphics in this manual, regarding the interior parts of the notebook.



    I also found a brief article regarding the RTC (Real Time Clock) battery - otherwise known as CMOS battery - that explains the reason the PC doesn't boot. Basically, this is not an issue in many newer models, as when I experienced the issue I had previously, I discovered that most now are rechargeable CMOS batteries, and can last theoretically "forever". However, that is not our case. Our batteries are the "older" type that store basic BIOS info within the RAM of the RTC, which keeps the machine from booting up. Hope this helps you to gain a little more understanding as to why the system does what it does until the battery is replaced. http://computer.howstuffworks.com/questi... (Once mine were replaced, both booted up without a hitch!)



    If this information assists you in resolving the problem, please take a moment to rate the solution at a "FixYa" level. If you do not feel that you can rate at a "FixYa", please post back with more information regarding what has occurred subsequently and/or more details regarding the situation, and I will gladly help you until we have reached a definitive solution. Thank you for using and rating FixYa!

  • Cheryl Whalen Sep 19, 2008

    When you were inside the machine, to replace the RTC battery, did you verify that no other parts or cables appeared to be loose or damaged? Additionally, did you have a chance to review the manual for which I posted the link? Please verify that the proper battery was placed (CR1220 lithium disk) with the positive side up, without difficulty. If there were no other obvious items inside the machine, and everything reassembled without issue, then we should try a couple more areas.



    The PC should be powered solely through the AC adapter to test that piece. Remove any docking station or battery packs. Then, making sure that you are using a functional electrical outlet, plug the AC adapter into the PC, and then into the outlet. This should produce a light which indicates that power is flowing through the AC adapter. If not, then either the adapter itself or the power cable may be bad. Replacement part numbers can be located in the manual, or you may obtain replacements (which can be returned if they do not solve the problem) at many retail or online locations. If power is brought into the PC, then there are a number of updates to be applied to the PC, and it is not possible for me to know which have been applied and which have not. However, if you can get power to the machine, many of these updates are critical to the ongoing functioning of the machine. Certain also relate to the battery and/or the docking station. In addition, if the machine is to be retained and used as a portable, a new battery pack is likely necessary, as it is well past the typical life of the standard battery pack.



    If the adaptor &/or replacement testing does not work, there could be issues with the connector(s), the CMOS battery placed in the PC could be bad, or there could be several other items which we can test. If you would like to continue to pursue this, please let me know, and we will move forward. Please be aware, however, that if the end result is that a component-level repair is necessary, an authorized HP tech will be required to perform the repair. Please let me know how you would like to move forward, and I will be happy to help you. (There are a number of other items on the potential list of items that could be creating the problem, but I did not want to overwhelm you with too many at one time!)



    If this information assists you in resolving the problem, please take a moment to rate the solution at a "FixYa" level. If you do not feel that you can rate at a "FixYa", please post back with more information regarding what has occurred subsequently and/or more details regarding the situation, and I will gladly help you until we have reached a definitive solution. Thank you for using and rating FixYa!

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U have to change the charger soket from the laptop its has been dry solder

Posted on Sep 15, 2008

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