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BIOS Yoga S740-14IIL GS452/GS552/GS752 NM-C781 Rev 1.0

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Yoga S740-14IIL GS452/GS552/GS752 NM-C781 Rev 1.0
boardview Lenovo Ideapad 3 14iml05 - NM-C781 REV.0.2 BoardView.tvw
Schematics Lenovo IdeaPad-3-15IML05 LCFC GS452 GS552 GS752 NM-C781.pdf
NM-C781 photo
Lenovo IdeaPad-3-15IML05 - LCFC NM-C781 REV1.0.tvw


Screen Shot 2021-07-31 at 3.37.04 PM.jpgWhatsApp Image 2020-09-12 at 22.45.48.jpeg
 

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WhatsApp Image 2020-09-12 at 22.45.48.jpeg
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vinapt said:
Good morning.
@ThienBui

First of all, I want to tell you that you were more humble and attentive to customers.

You are complicating something simple...

I explained everything to you, but you don't want to read too much, and I respect you, but you're chatting on Vinafix and now I'm having to repeat everything I already told you...

"RAM problems can be caused by incompatible or unsupported chipsets" and not only... RAM and incompatibility problems are also caused by BIOS problems or physical damage to the onboard memory chips.

It is possible to disable onboard RAM through bios rebuild, right?

So my question is not unreasonable... What I ask you is:

Is it possible, can you help, do you know how to solve this PC's problem using rebuild BIOS?

I've already tried good RAM, tested and compatible with the PC (PC4 2400_ 4GB) and it still doesn't work.

The PC works with onboard RAM (4gb), but as soon as offboard RAM is installed, the PC stops producing an image.

I don't think it's a hardware failure, as the RAM slot is ok and the RAM power supply is ok.

Chipset is integrated into the CPU; Could it be a CPU failure?

I count on my colleagues and Vinafix administrator to answer questions and help with repairs.

Thanks.
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@ThienBui
Hi
Do you have any solution?
 
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