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Power issues Do you know anything about power issues for an older Toshiba Sattelite laptop model T1910CS/200? I can't get it to power up and have been told it's an adapter problem and that didn't fix it after getting another one and now have been told it's possibly a CMOS battery problem and that has to be replaced. I took off the keyboard cover and found a small battery wrapped in green with a black and red wire plugged into a small area. Would that be the CMOS battery? Where can I get one? It says Ni-MH and has 4E3 marked on it. It was located just under the space bar area when I took off the top covering. Any suggestions?

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  • Gary Barlow Jul 20, 2008

    This laptop does not have a mousepad as the newer ones do in the center of the keyboard. Remember this is an OLD Toshiba laptop. The battery I located was in front of the space bar protected by the outer covering with 2 leads to a plastic socket you plugged in. I was told this was the CMOS battery. At any rate, I took it out and took it to the Batteries Plus Store in town and they checked it and said it was bad and made me up a new one in about 5-8 minutes. They said it was really nothing more than a AA battery with leads spot soldered.

    I took it home and put it in but no luck........the computer won't power up. So I'm back to square one trying to figure out the problem. Needlessly to say I was excitedly disappointed when I tried it and got nothing. Now, I also read somewhere in some troubleshooting advice that the computer "settings" are tied to this and could be lost if it goes dead........which it did. Do you know what start-up computer setting that advice might have been referring to and how I get them back or re-set? I have no clue about that one.

  • Gary Barlow Jul 20, 2008

    PS (follow-up) to last message)



    I have no idea what you mean by "short the battery leads for 5 seconds.

    I wish I had the schematics of this computer's motherboard so I would know if I am truly dealing with the CMOS battery.

    If that were dead would it affect the powering up of the computer?

  • Gary Barlow Jul 21, 2008

    Nothing has happened that I know of. It has just set dormant for 5-7 years in its case because it became outdated. I decided to take it out one day and fire it up but get absolutely nothing. As soon as I plug in the adapter the green LED light comes on and stays on steady. When I try pressing the on button 4 other LED lights flash momentarily then go off and the one that was on steadily begins to blink. If I unplug the adapter and plug it back in the LED light stays on steady again. I can repeat that with the battery in or with the battery out and I get the same result with just one exception. If I use the original AC adaptor with the battery in I only get a blinking LED light. If I use the 2nd one I just purchased a couple days ago I get the steady Led light BUT I get a quick ORANGE light battery indicator light flash. That does not happen with the original adaptor. I really have had no hardware or software change.



    I'm hanging in but it is a frustrating challenge. :-)

  • Gary Barlow Jul 31, 2008

    Stickx,

    Did you ever contact your friend about the toshiba?

  • lenzen Nov 10, 2008

    I have exactly the same problem and am seeking a solution for it .

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Greetings,
The actual cmos battery is under your mouse pad and it is soldered in place. I have worked on these before and i know it is not good practice to do this but, remove the Laptop battery and make sure you are not plugged in. unplug the power supply from the lap top. Remove the mouse pad being careful not to unplug it. The battery is round and looks like an over sized watch battery. Here is the tricky part you will find the battery is soldered in place you have to short the battery leads for five seconds and it will cause the cmos to default. I strongly recommend that if you are not familiar or qualified that you let a tech do this procedure it can be like I said tricky. If this does not work you probably have a bad socket for you supply plug.
Let me know how it goes ,
Be mucho blessed,
Mark

Posted on Jul 20, 2008

  • Mark Doyle
    Mark Doyle Jul 21, 2008

    Greetings,

    Richard I am going to contact a friend who specializes in toshiba and I will get bach to you shortly. Just to ease your mind the cmos settings when they default to factory will not effect the hard drive and it's contents.Those two batteries are for the clock chip and do not effect the cmos. If you can find it like I said it is the size of a large watch battery and will be located under the keyboard. I will hunt the information and get back to you shortly. Hang in there.

    Mark

  • Mark Doyle
    Mark Doyle Jul 21, 2008

    Greetings Richard

    My concern is not the issue of the cmos but the issue of the laptop actually getting power to the unit. Doeas anything happen at all when you power up and what occured prior to the incident I/E hardwaare change, Software change, etc. Did you have adverse weather conditions. In most cases even if the cmos was scrambled the unit would attempt to power up. Try powering up without the battery.

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