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BIOS Inspiron 15 3520 Vostro 3420 La-L946P 1.0

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Vostro 3420 La-L946P 1.0
BIOS
Inspiron 15 3520 1.20.0
HDL5A LA-L946P Rev 1.0С.pdf
HDL5A LA-L946P Rev 1.0 BoardView.cad
DELL_VOSTRO_3520_COMPAL_LA-L946P photo
 

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Inspiron 15 3520 1.20.0.bin.zip
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HDL5A LA-L946P Rev 1.0С.pdf
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I have a LA-L946P motherboard from a Dell Inspiron 15 3520. The i5-12th CPU burn so I buy a new one and replace it. After that everytime I turn on the notebook it shows a message (TPM not found). Afer press continue, I get on windows but with no sound (the driver is ok, it shows on windows, but I can´t hear nothing). Also the M2 SSD was not recognized even on BIOS. I guess all of this is because the BIOS is already linked with the old CPU that was replaced. Is there a solution for this? If there is a solution I can send BIOS Dump and ServiceTag if needed.
 
I have a LA-L946P motherboard from a Dell Inspiron 15 3520. The i5-12th CPU burn so I buy a new one and replace it. After that everytime I turn on the notebook it shows a message (TPM not found). Afer press continue, I get on windows but with no sound (the driver is ok, it shows on windows, but I can´t hear nothing). Also the M2 SSD was not recognized even on BIOS. I guess all of this is because the BIOS is already linked with the old CPU that was replaced. Is there a solution for this? If there is a solution I can send BIOS Dump and ServiceTag if needed.
yes, you can buy patch 40$ fix problem this
Payment link to buy Patch
 
yes, you can buy patch 40$ fix problem this
Payment link to buy Patch
Payment done. This is the original DUMP (before CPU replacement). Just to remember, the errors on this BIOS now that the CPU was replaced by another new one (with the same specs):
1) Slow to show Dell logo (maybe Clear ME)
2) When on, display a message Alert! TPM device is not detected. I need to press Continue to go on.
3) WIndows shows the audio driver but I can hear no sound from speakers.
4) M2 SSD not detected. Even on BIOS (Storage / Drive Informations) it shows M.2 PCIe SSD Type: none Device: none
Dell Inspiron 3520
i5-1235U
Service Tag: JQHDY04
 

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Last edited:

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