Schematics Lenovo ThinkBook 14 G4+ IAP HuaQin NB5979 NB5986

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Lenovo ThinkBook 14 G4+ IAP HuaQin NB5979 NB5986
Lenovo ThinkBook 14 G4+ IAP - Huaqin NB5979 - NB5986 - NB5979_MB_V8 BoardView.pdf

 

[Roman-Tyutin]

provided more s/n i check

 

[ThienBui]

you sure two chip 128 ?

 

[ThienBui]

i check file for main bios only have 8MB data
bios 16MB thinkbook 14 g5+ IRH.BIN

I think someone has replaced the 64 chip to 128

Programming two bios this and check resut before

Schematics - Lenovo ThinkBook 14 G4+ IAP HuaQin NB5979 NB5986

Lenovo ThinkBook 14 G4+ IAP HuaQin NB5979 NB5986 Lenovo ThinkBook 14 G4+ IAP - Huaqin NB5979 - NB5986 - NB5979_MB_V8 BoardView.pdf

vinafix.com

 

[Roman-Tyutin]

i check file for main bios only have 8MB data
bios 16MB thinkbook 14 g5+ IRH.BIN

I think someone has replaced the 64 chip to 128

Programming two bios this and check resut before

Schematics - Lenovo ThinkBook 14 G4+ IAP HuaQin NB5979 NB5986

Lenovo ThinkBook 14 G4+ IAP HuaQin NB5979 NB5986 Lenovo ThinkBook 14 G4+ IAP - Huaqin NB5979 - NB5986 - NB5979_MB_V8 BoardView.pdf

vinafix.com

The laptop comes with those two 16 MB chips as standard. I was the first to open it. What can I do in this case? The laptop turns on but without video.

 

[ThienBui]

The laptop comes with those two 16 MB chips as standard. I was the first to open it. What can I do in this case? The laptop turns on but without video.

Programming bios on top same problem ?

 

[haidanglaptop]

AMD thì ko có fix bios ko builds
thích thì nạp file khác thôi

báo lỗi gì ?

Dạ em cám ơn anh nhiều

 

[gala]

No display plz rebuild
NB5979_MB_V12

 

[ThienBui]

No display plz rebuild
NB5979_MB_V12

bbbb.zip

 

[gala]

bbbb.zip

both 16mb

 

[ThienBui]

both 16mb

chip this only have 8mb data
XM25RH128C@SOIC8-200_20250910_121631

It may have been replaced with 8MB chip to 16MB

 

[gala]

chip this only have 8mb data
XM25RH128C@SOIC8-200_20250910_121631

It may have been replaced with 8MB chip to 16MB

no powering on

 

[ThienBui]

no powering on

If all BIOS has the same problem, you need to check the hardware

 

[gala]

If all BIOS has the same problem, you need to check the hardware

old bios powering on but no display

 

[LABCHEAP]

KBC FILE???

 

[ThienBui]

KBC FILE???

send fole KBC old i check