Re: Lenovo e15 thinkpad nm-c421



Thank you very much for your helpful information!

Currently, it's dead because charging doesn't work. I was totally convinced, this is related to the known thunderbolt issue. That's why I asked for a current BIOS dump, but obviousely I'm on the wrong path here.

Tomorrow I'm going to receive another USB-C power supply and also ordered a USB-C testing device. I hope this will shed some light on this matter....

Re: Lenovo e15 thinkpad nm-c421

Thank you so much !

I've got a problem with this machine - it's not charging the battery anymore.
Do you know, if there's a thunderbolt chip, where it's located on the board and where I may get a working firmware dump for it?

There's a well-known issue with a lot of similar Lenovo Laptops regarding this problem, but the RD20 isn't officially among them .

I try to take one step at a time, so I asked for the (current) BIOS dump, because as far as I know, the BIOS as well as the thunderbolt...

Re: Lenovo e15 thinkpad nm-c421

Hey guys ,

I need a (current) working BIOS file for my Lenovo ThinkPad E15
SN : PF242LEA
MTM: 20RD001AGE

Thank you very much in advance....

Re: New Members - please post your introductions here

Hi, I'm Peter from Reutlingen, Germany. I've got a little experience in IT administration and really like to get defective hardware back up running .