Question about Toshiba Satellite A105 Notebook

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How to safely remove the CMOS battery

I'm hoping by doing that, the factory boot defaults will be restored. I'm working on a Toshiba Satellite A105-4011. It is disassembled down to the MB. The battery holder looks pretty fragile and I don't want to break it. How is this done safely?

Thanks!

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  • 4 more comments 
  • cst1269 Dec 21, 2008

    Thanks for the quick reply!

    The metal clip looks more like it should bend backwards rather than to the side. I just tried to push it to the side with my fingernail but it didn't want to move. Is it safe to use more force?


  • cst1269 Dec 21, 2008

    The whole thing lifts up (battery, blue ring, and clip). It appears that there are prongs on the top and bottom of the battery. Do the battery and blue ring slide out from the clip? Or does the battery pop out of the ring? Or, are they all (battery, blue ring, and clip) removed from the MB? Sorry for all the questions, but I can't afford to wreck the MB.

  • cst1269 Dec 22, 2008

    Then my question is: is it safe to lift the clip to remove the battery or will that cause it (the clip) to break? I don't plan on replacing the battery - I just want to remove it and put it back in - the whole purpose is to reset the bios because the only that it boots from now is the Intel Boot Agent. That's with a new HDD. Will that, in fact, reset the bios? I read somewhere that that doesn't work with laptops. With the old HDD it always boots to Express Media Player. I can't get into F2, F8, or F12 - I think there may have been an infection that changed the setting in the bios to prevent a fix.

  • cst1269 Dec 22, 2008

    Please use this link: http://www.irisvista.com/tech/laptops/To... I'm reassembling but didn't mark one cable - it's the one on the left bottom with a red arrow. The cable is attached to the MB, but where does the other end go? Thanks for all the help.

    BTW, I never did get the CMOS battery out.

  • cst1269 Dec 23, 2008

    OK another question related to reassembly. Where does the other end (not the MB end) of the DVD cable attach? The cable itself is bent on purpose and heads toward the DVD. Or, the other side where the fan is, but I don't see where it might connect on either side!

    Thanks again!

  • cst1269 Dec 23, 2008

    I found it! It's not the DVD cable as shown in the pic. It's for the power switch on the underside of piece that holds the KB, and is hidden by a piece of protective plastic.

    Thanks for all your posts!!!


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  • Toshiba Master
  • 32,281 Answers

The battery is a button type battery, you can release by pressing the metal clip to the side and the battery should pop up, if not use a thin blade screw driver to lift the battery up whilst pressing the metal clip to the side, Do not hold the battery (top & bottom) with metal tweeters, you will create a short circuit condition.

Posted on Dec 21, 2008

  • 2 more comments 
  • Chris Hingee
    Chris Hingee Dec 21, 2008

    You can apply a bit of force, use a thin sharp blade and lift it up from the opposite side of the metal clip.

  • Chris Hingee
    Chris Hingee Dec 22, 2008

    The blue ring and clip is not part of the battery. Various manufacturors use slightly different methods in fixing the battery in place.

    Just make sure you put the new battery back the same way.

  • Chris Hingee
    Chris Hingee Dec 22, 2008

    I'm not 100% sure, the clip may pop out with th battery, try and get a copy of the manual off the Toshiba WEB site (use another computer if you have to) or ask their Tech Support.

    To get into the BIOS, on a cold boot up press DEL, if that doesn't try F1 or F2. Once you get into the BIOS there may be an option to restore default settings.



    When you remove the battery it will take 1/2 + hour for the battery charge to discharge from the BIOS chip for it to reset. You can speed this up by using a paper clip to short out the + and - terminals of the battery clip. I suggest you check the voltage of the battery with a multi-meter and if it less than 3.0 volts then it should be replaced because the battery is nearly flat.

  • Chris Hingee
    Chris Hingee Dec 23, 2008

    Can't advise you but generally just trace the other end of the cable, the way the cable is laid out, the end will be near the appropriate connector. From the image the cable looks like a flat ribbon cable and most likely does not have a connector at the end. This type of cable slips into a connector and is locked in by a slide catch. You need to slide the catch out, insert the cable and slide the catch back in to lock the cable into the connector.

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