Lenovo Thinkpad E15 gen2 GE4B0/GE5B0 NM-D011

[vladfxnet]

Re: Lenovo Thinkpad E15

same problem but i hear whistle on 24256E

Hello, have you solved the problem with the chip whistling? Perhaps we have the same problems with the board. My board starts blinking 3 times as usual and then gives continuous long light signals. The fan does not spin and the keyboard backlight does not turn on. If you solved this problem, tell me how?

[Markus1741]

You are also welcome to watch this YouTube video, I just saw it today.
In the Lenovo ThinkPad E14 E15 Gen 2 model, there seems to be a serious processing error in which the Mosfets initially detach from the circuit board due to heat.
Maybe that will help.
https://www.youtube.com/watch?v=FQM0cDefHi4

[alihomee]

model is:lenovo E14
serial is:PF-33A1QT
tyep is:20TA-00DRMY
when turns on it gives display with too loud beep and keep on restarting after cmos error...i attached orignal file

[jomerfx28]

Lenovo ThinkPad e15 Gen2
S/N: PF-33JCSV
Board Label: GE4B0/G35B0 NM-D011 Rev 1.0
Type #: 20TD-00B7US

Fresh Bios Please. Thanks

[hoaca388]

model is:lenovo E14
serial is:PF-33A1QT
tyep is:20TA-00DRMY
when turns on it gives display with too loud beep and keep on restarting after cmos error...i attached orignal file

E14 Gen 2 Laptop (ThinkPad) - Type 20TA

[struart]

Hello
I have Lenovo E15 Gen 2 NM-D011 Rev 1.0.
Laptop starts, power led is on, nothing on screen and restart after 5-10 seconds.

Laptop data:
Motherboard NM-D011 Rev 1.0
Serial number: PF-3PFE3P
Type Number: 20TD-00GNPB
P/N: SL11B03796

Heres dump from Winbound 25R256JVEQ chip dumped via T48 programmer.

Strange thing is that i cannot verify that chip with dump i made it always shows differencies no matter what programmer i use ch341/ez2013/t48. Chip in adapter no clip used.

[kalilinux25]

Hello
I have Lenovo E15 Gen 2 NM-D011 Rev 1.0.
Laptop starts, power led is on, nothing on screen and restart after 5-10 seconds.

Laptop data:
Motherboard NM-D011 Rev 1.0
Serial number: PF-3PFE3P
Type Number: 20TD-00GNPB
P/N: SL11B03796

Heres dump from Winbound 25R256JVEQ chip dumped via T48 programmer.

Strange thing is that i cannot verify that chip with dump i made it always shows differencies no matter what programmer i use ch341/ez2013/t48. Chip in adapter no clip used.

please try

[mauradin]

Hey all,

My E15 Gen 2 stopped charging, and I attempted to troubleshoot. I installed the recommended bios, but it did not resolve the charging issue. I stupidly disabled the built-in-battery as per someone's instructions - however, this bricked my laptop because the AC power won't take, and now the battery is disabled. I attempted a CMOS reset, but I could not get the BIOS to reset to unselect the 'Disable Built-in Battery' option. So I am trying to reprogram my BIOS now.

On top of that I also wiped the wrong chip... Can someone get me an export of the data for the: 25Q80DVSIG chip?

Additionally, for this laptop, since the BIOS is stored in 25R256JVEN, I don't see a way to desolder this chip, but I do see these contacts. Do I have to temporarily solder wires here to make this work? I'm unsure how to connect to this chip.

My laptop:
Serial: MJ-0G4908
Type: 20TD-S00800

[peste]

I think so...follow the routes in the picture from post #2....

[struart]

please try

On this BIOS laptop starts but theres no MAC address and Managment Version is blank in BIOS and dont detect NVME DISK.

[kalilinux25]

Hey all,

My E15 Gen 2 stopped charging, and I attempted to troubleshoot. I installed the recommended bios, but it did not resolve the charging issue. I stupidly disabled the built-in-battery as per someone's instructions - however, this bricked my laptop because the AC power won't take, and now the battery is disabled. I attempted a CMOS reset, but I could not get the BIOS to reset to unselect the 'Disable Built-in Battery' option. So I am trying to reprogram my BIOS now.

What is the Motherboard Model?

[mauradin]

What is the Motherboard Model?

Hey it is the
GE4B0/GE5B0
NM-D01

My biggest question right now, is do I have to solder wires onto the contacts by the 'JBIOS' area, and then get those onto my ch341a?

[kalilinux25]

Hey it is the
GE4B0/GE5B0
NM-D01

My biggest question right now, is do I have to solder wires onto the contacts by the 'JBIOS' area, and then get those onto my ch341a?

Yes you can try I already confirm the connection they are connected to U2 line, but try if the Programmer can detect it , please remove the batery or any that can power the board to avaoid further damage

[struart]

kalilinux25 Hi
Any idea about theres no MAC address and Managment Version is blank in BIOS and dont detect NVME DISK on your BIOS bump?

[kalilinux25]

kalilinux25 Hi
Any idea about theres no MAC address and Managment Version is blank in BIOS and dont detect NVME DISK on your BIOS bump?

ill try to rebuild it again wait

[kalilinux25]

kalilinux25 Hi
Any idea about theres no MAC address and Managment Version is blank in BIOS and dont detect NVME DISK on your BIOS bump?

ill try to rebuild it again wait

[struart]

kalilinux25

You are GOD!
Laptop is back to live with all data, mac and disc i only copied windows key to proper location and all good.

Thank you very much.

[kalilinux25]

kalilinux25

You are GOD!
Laptop is back to live with all data, mac and disc i only copied windows key to proper location and all good.

Thank you very much.

Great to hear it.

[jomerfx28]

Lenovo ThinkPad e15 Gen2
S/N: PF-33JCSV
Board Label: GE4B0/G35B0 NM-D011 Rev 1.0
Type #: 20TD-00B7US

Fresh Bios Please. Thanks

[hoaca388]

Lenovo ThinkPad e15 Gen2
S/N: PF-33JCSV
Board Label: GE4B0/G35B0 NM-D011 Rev 1.0
Type #: 20TD-00B7US

Fresh Bios Please. Thanks

E15 Gen 2 Laptop (ThinkPad) - Type 20TD