Bios Chip Location on a G50-70 ?

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chrisi1909
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Bios Chip Location on a G50-70 ?

#1 Post by chrisi1909 » Sun Nov 19, 2017 7:44 am

Hi,

Can anyone tell me where i can find the Bios Eprom on a G50-70 ?
ACLU1 / ACLU2 NM-A271 Rev. 1.0 is the Mainboard.

If usefull, i can upload Pictures of the Mainboard ?!

Greets and Thanks
Chris

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Re: Bios Chip Location on a G50-70 ?

#2 Post by RealBlackStuff » Sun Nov 19, 2017 8:21 am

Welcome to the Forum.
If you have a BIOS-password-problem, please note that those passwords are NOT stored in the BIOS-chip.
You can read this about passwords: https://support.lenovo.com/pt/en/solutions/ht036206
Just in case, we do not allow public password-removal discussions on the Forum.

Look online for Lenovo G50-70 schematics
(G40-70 is probably very similar)
I think it's this: http://www.s-manuals.com/motherboard/compal_nm-a272
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chrisi1909
Posts: 2
Joined: Sun Nov 19, 2017 7:39 am
Location: Buxtehude, Germany

Re: Bios Chip Location on a G50-70 ?

#3 Post by chrisi1909 » Sun Nov 19, 2017 9:21 am

Hi,
Thank you for the Link.
No, i don´t have a Password-Problem, i have the Problem,that it
doen´t save the entrys i made. I want to change back from Legacy > UFI Mode.
Or from Intel virtual > disabled.
But after saving and going back in, it´s set back to Legacy.
I also have the Problem that i can not update the Bios from now 9ACN25WW up
to 9ACN32WW. Its starts the tool,says Caution, says reading/writing, but
the bars do not move , and then reboots the OS, but still v25 is active.
Tryed that about 10 times now from Windows 7.

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Re: Bios Chip Location on a G50-70 ?

#4 Post by RealBlackStuff » Sun Nov 19, 2017 10:06 am

Have you tried this?
https://forums.lenovo.com/t5/Lenovo-B-u ... 0051#M5732

https://pcsupport.lenovo.com/pt/en/prod ... s/DS100522
Check if there is a BIOS-ISO and burn that onto a CD or USB-stick, then try to boot/update that way.

FYI: this forum mainly has "classic" ThinkPad-orientated members, so don't expect too much info for your machine.

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