Question about Toshiba Satellite A65-S126 Notebook

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Toshiba Satellite a65-s126 CPU change

Hi guys,

I have a Satellite a65-s126 which is little bit old, but still working fine. I've upgraded its RAM by adding 1 GB extra. Now I'm trying to upgrade the processor as well. I'm having a Celeron 2,8 Ghz and want to replace it with Mobile Intel® Pentium® 4 processor 532 (3.06 GHz, 1 MB L2 cache, 533 MHz FSB).

As far as I see here on page 55: http://askiris.toshiba.com/ToshibaSupportSite/search.do?cmd=displayKC&docType=kc&externalId=732199xml&sliceId=&dialogID=55522938&stateId=0%200%2053111995

which is showing the resource guide for A60/A65 series, this processor is supported by the motherboard. I bought the 3,6 Ghz P4 but when I replace the old one with this and push the Power button, it starts for couple of seconds and then shut downs by itself, without switching the monitor at all.

I read here: http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_dtlViewDL.jsp?soid=1004857&moid=713852&rpn=PSA60U&BV_SessionID=@@@@1864313297.1223324178@@@@&BV_EngineID=ccchadefgdmlldicgfkceghdgngdgnj.0&ct=DL&all_docs=false

that the support for P4 processors is added in 1.70 BIOS version. That's fine, but I'm using the 1.90 BIOS and it seems that it doesn't help.

So, my question is: Am I doing something wrong or missing something? I was looking for a jumper on the motherboard that has to be changed to another position, but couldn't find any. I was looking in the BIOS as well, but it was not helpful too. I searched the whole Google but couldn't find anything helpful.
I will appreciate any help on this one. Do someone has an idea?

Thanks in advance!
Cheers,
Kiril Krantev

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  • 8 more comments 
  • kkrantev Oct 07, 2008

    Is the coolant paste mandatory to be put there?

    If yes, why it's working as it is (without any additional paste) with the other CPU? After it didn't work with the P4 CPU, i changed back to the Celeron and it was working fine.

    As far as I get, you think that the problem is in the heating of the CPU, is that correct?

    Thanks, Kiril


  • kkrantev Oct 07, 2008

    Hi Kevin,



    I took the BIOS version from the Toshiba website -http://www.csd.toshiba.com/cgi-bin/tais/...@@@@1864313297.1223324178@@@@&BV_EngineID=ccchadefgdmlldicgfkceghdgngdgnj.0&ct=DL&all_docs=false

    What is this Flash jumper doing? Is it reseting the BIOS, or anything else?

    Thanks and regards,
    Kiril


  • kkrantev Oct 07, 2008

    The proposed solution from kevin000 is not working as I didn't touch the Bios Flash jumper at all. With the old celeron cpu everything is working fine, but with the new P4 it's not booting.

    Could a reset of the BIOS be helpful?

  • kkrantev Oct 07, 2008

    Hi sweet_rascal,

    Thanks for the help.

    The Laptop is not rising at all with the P4 CPU, but as I said it's working fine with the Celeron. I know that the CPUs are different, but I think at least it should switch the video card on. I don't believe that it'll switch off, just after few seconds.

    I will try the coolant paste, but need some extra ideas.

    The jumpers, looks fine.
    The Ram is OK as well.
    The power supply for processor fan is connected.

    Any other idea?

  • kkrantev Oct 07, 2008

    Hi,

    the CPU is working fine. I tried it on another satellite motherboard. Unfortunately I can't find any jumper. Is there anyone who made such an upgrade.

    Thanks, Kiril

  • kkrantev Oct 07, 2008

    Hi naguu,

    this information was not helpful that much.

    The RAM is OK, and this is a laptop motherboard and unfortunately I can't find any jumper on it.

    I see the BIOS battery, but no jumper.

    I restore the BIOS to default settings from the BIOS software, but this wasn't helpful too.

    Thanks, Kiril

  • kkrantev Oct 07, 2008

    A comment from ginko is stating: "Note: if the system shut down immediately, not even completing the post, then it is unlikely an overheating problem." - Yes, it's not completing the post at all. It doesn't have the time to switch the monitor too.

  • kkrantev Oct 08, 2008

    Hi there,

    any idea how to flash the BIOS? I can't find a jumper on the motherboard and once I already restored the BIOS to default settings from inside the BIOS software

  • kkrantev Oct 08, 2008

    I flashed the BIOS, it didn't help:(

  • kkrantev Oct 08, 2008

    The coolant paste didn't help unfortunately

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Try the original RAM module that you replaced and see if it works with the new CPU. If it does, then there seems to be a compatibility issue.. Try this and get back with results.

Posted on Oct 08, 2008

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Check the BIOS for any jumper-free CPU settings , make sure the are set to "auto" If the clockspeed and/frequency is off it can cause similar symptoms.

Posted on Oct 08, 2008

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First of all make sure that your motherboard supports the processor as well as the memory. Moreover, before starting the computer you need to go to BIOS and update the details. BIOS needs to be flashed. To do this you need to disconnect the battery from the motherboard, wait for few seconds and then plug it back in. If there is no update available for BIOS from the manufacturers website you will not be able to upgrade the processor.

Thanks

Posted on Oct 08, 2008

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Flash the bios again

1.90 definitely has support for the P4


Posted on Oct 07, 2008

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If you switched back to the old CPU, and computer was starting, then that means that there is something wrong with the new CPU upgrade.

If you also upgraded Bios to latest version, and Pentium® 4 processor 532 is listed as compatible on your model , the CPU should be compatible. A compatibility issue is still possible, but it is rather uncommon.

There are few possible reasons for this.

If the system starts, and shutdown, it can be overheating. Ensure you use the paste between fan and CPU. You may also need to upgrade the fan, as the Celeron works at lower temperature than P4 2.6.

If it is not overheating, then the CPU is faulty, it should be tested on a different motherboard.

Note: if the system shut down immediately, not even completing the post, then it is unlikely an overheating problem. CPU starts heating more on only when it gets to Windows startup.

Posted on Oct 07, 2008

  • Ginko
    Ginko Oct 08, 2008

    If it is not overheating then it is a faulty CPU, test CPU on different MB if you can.

    If the CPU does not work on a different motherboard, then it is faulty, if it does, it means that it does have troubles with your bios, or with the motherboard, or does not support one of the devices installed.
    Probably in this case it is just a defective CPU.

    Try also booting from CD, for example using Windows CD, If you load system from CD and system stays steady and on, that means that you will need to reinstall Windows, in that case it is a problem realted to the Windows installation.

    Note if the system starts booting windows, try a different fan, in that case is probably overheating.


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Hi,
Please upgrade the BIOS settings.. To short the CMOS please click on the below link..
http://images.google.co.in/imgres?imgurl=http://www.pcbuyerbeware.co.uk/ClearCMOS.gif&imgrefurl=http://www.pcbuyerbeware.co.uk/ClearBIOS.htm&h=728&w=546&sz=18&hl=en&start=3&um=1&usg=__LxchryVCJTZvmufhnbWSIKWT2Ls=&tbnid=_x_3clEXoNn4oM:&tbnh=141&tbnw=106&prev=/images%3Fq%3DMotherboard%2Bmanuals%2Bfor%2Bjumper%2Bsettings%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-US:official%26sa%3DG
And also check the RAM is properly inserted ot not.. Open the cover and turn it on and see whether the cpu fan is running or not..! Try these steps and please let me know.
Thank you....

Posted on Oct 07, 2008

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Check that p4 cpu on another board is it working there.sometimes the cpu pins get loosed even in new and it does support.hence the settings what you have stated are perfect.you said you checked with celron and its working that means the board is also perfect.
please check the p4cpu in any other board which is compitable to to the processor.
and the fault will be detected.

keep updated for further queries.

Posted on Oct 07, 2008

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You can the BIOS upgrade patch from the Toshiba web site. And are you looking for the BIOS Flash Jumper?

Posted on Oct 07, 2008

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I think you have not placed the coolant paste properly.

or you have not removed the cover over that paste

Posted on Oct 07, 2008

  • 1 more comment 
  • dewan nafees ahmed Oct 07, 2008

    check if you have the coolant paste properly in place between the processor and the fan.

    this will also happen if you have connected the jumpers near the reset jumper and power LED jumper wrongly.

    also check the seating of RAM is firm and correct.

    also check if you have connected the power supply for processor fan.

    check all these and get back to us


  • dewan nafees ahmed Oct 07, 2008

    coolant paste is mandatory.

    see. everything is a trial and error method. first eliminate all chances of heating problems. next we move on to any kind of shorts due to wrong jumper connections.

    coolant paste is not costly. even if it starts working without coolant paste it will not work long . please buy it from local shop and apply it. you wont regret in future.


  • dewan nafees ahmed Oct 08, 2008

    hello

    thanks for replying. as far as i can conclude this is a shut down due to overheating.

    and hence i would recommend you to try a cooling paste. it wont cost much.

    please try it


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