Technical Support Clevo W650SB full fan RPM issue

Mike Gou

Mike
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Hello. I face an issue on which I cannot find a solution and i would like your help please.
So this laptop Clevo W650SB comes in for repair, motherboard 6-71-w65s0-d02. Powers on, no image at all, draws 0.7A, all coils are ok except the nvidia 2nd gpu which was fluctuating 0.2v-0.9v, same fluctuation was also on BIOS chip 1.5v-3.3v.
So i begin with programming the BIOS with the bin file from Dr. BIOS, i get image but now the nvidia coil is always 0v, no fluctuation on BIOS too, but after a minute the fan goes to maximum RPM for like a minute and shuts down immediately. The cooler is ok, the paste is changed and the cpu+gpu are very cool, its not from heat. Also, when it turns off i can turn it on right away, if it was heated it wouldn't turn on i believe.
Afterwards i programmed the ME chip also but same thing.

Any ideas? I attach the old BIOS if its helpful.
p.s. maybe i could disable the nvidia completely if it has problem?
 

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  • old main.bin
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Hosein Asadolahi

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Hello. I face an issue on which I cannot find a solution and i would like your help please.
So this laptop Clevo W650SB comes in for repair, motherboard 6-71-w65s0-d02. Powers on, no image at all, draws 0.7A, all coils are ok except the nvidia 2nd gpu which was fluctuating 0.2v-0.9v, same fluctuation was also on BIOS chip 1.5v-3.3v.
So i begin with programming the BIOS with the bin file from Dr. BIOS, i get image but now the nvidia coil is always 0v, no fluctuation on BIOS too, but after a minute the fan goes to maximum RPM for like a minute and shuts down immediately. The cooler is ok, the paste is changed and the cpu+gpu are very cool, its not from heat. Also, when it turns off i can turn it on right away, if it was heated it wouldn't turn on i believe.
Afterwards i programmed the ME chip also but same thing.

Any ideas? I attach the old BIOS if its helpful.
p.s. maybe i could disable the nvidia completely if it has problem?
you must program bios . this model have 2 eprom , 4mb and 6mb . you must program 2 epram . program with this file and report .
 

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  • bios.zip
    5.4 MB · Views: 5

Mike Gou

Mike
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Hosein thank you for your answer. The other chip that i see is the ME chip which the backup of this was 2mb. So the 6mb won't do on this situation right?
I do not see any other chip. Overall there are 2 chips, One says BIOS (GD25B32BSIG) and the other ME (GD25B16BSIG) on the board. (the backups are 4mb and 2mb respectively).
As i already said, i also programmed the ME chip with the one from Dr BIOS (Bios - gigabyte 6-71-w65s0-d02 6-71-w65so-d02 bios)
 
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Hosein Asadolahi

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Hosein thank you for your answer. The other chip that i see is the ME chip which the backup of this was 2mb. So the 6mb won't do on this situation right?
I do not see any other chip. Overall there are 2 chips, One says BIOS (GD25B32BSIG) and the other ME (GD25B16BSIG) on the board. (the backups are 4mb and 2mb respectively).
As i already said, i also programmed the ME chip with the one from Dr BIOS (Bios - gigabyte 6-71-w65s0-d02 6-71-w65so-d02 bios)
are you programed 2 eeprom with files that i sent you ?? do it and report
 

Mike Gou

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sorry but the files you sent me are 4+6 mb. The chips are 4mb+2mb. how can i flash a 6mb bin file to 2mb eeprom?
 

Mike Gou

Mike
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thats right. my laptop is w650sb, it writes it on the label underneath (not taken photo). please find attached the mobo photos and ec bin 2mb. no one else has opened the laptop before
 

Attachments

  • old ec.bin
    2 MB · Views: 2
  • IMG_20201124_103036.jpg
    IMG_20201124_103036.jpg
    2.3 MB · Views: 7
  • IMG_20201124_103022.jpg
    IMG_20201124_103022.jpg
    2 MB · Views: 6
  • IMG_20201124_103015.jpg
    IMG_20201124_103015.jpg
    3.1 MB · Views: 6

Mike Gou

Mike
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Hello. you think there is something else you can see on this case?is there any other bios to try maybe?thank you
 

Mike Gou

Mike
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Bingo! It finally worked. Thank you very much.
I had tried to clear ME and many combinations and nothing worked.
Could you please tell me what difference this BIOS had?
 
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