HP Elitebook 840 G2

[peste]

Re: HP Elitebook 840 G2

I uploaded the file that I glued from the original one from the website + hp840g2_lock_12042021.bin, after uploading I have a message as above

https://www.youtube.com/watch?v=9T57ktw8n3Y

[digitalpc]

Hp 840 g2 bios

Hi everyone, can someone clean region for this bios dump and save my product key, serial number etc...



Here is my original bios dump

[SMDFlea]

Re: Hp 840 g2 bios

Its a HP 840 G1 isn`t it ? ,the bios BID is L71

[digitalpc]

Re: Hp 840 g2 bios

Its a HP 840 G1 isn`t it ? ,the bios BID is L71

based in laptop ticket is 840 g2, but in bios it's say 840 G1

I think someone change bios before in this laptop

[SMDFlea]

Re: Hp 840 g2 bios

The 840 G2 is BID M71 ,theres already some bios posted with clean ME FW .

https://www.badcaps.net/forum/showth...ghlight=840+g2

[andresi]

Re: HP Elitebook 840 G2

sir, help, i cant enter the bios

[peste]

Re: HP Elitebook 840 G2

sir, help, i cant enter the bios

update winrar or use 7zip, use the HxD program.

[leev999]

hp g2 840 bois

Hi
I have a hp 840 g2 840 I messed up bois no backup
It a 6050a2637901 mb a02
bois mx25l12873f
serial 5CG6042BTR
Can any point me in the right direction
I manged to flash it but it don't seem to b working right
Windows stuck on load up and can't seem to get usb in boot option
Do I also need to flash the ec bois chip ( think thats what it call )
Thxs

[lapfix]

Re: hp g2 840 bois

Try this one : https://www.badcaps.net/forum/showpo...4&postcount=64

[leev999]

hp g2 840 bois

thxs i give it ago let you know
thank you

hi try that now blank srceen and cap lock and num lock flash

i had it going but was working right but that came with the ec bois so should i flash that as well ??
thxs

uuid FFA1594CB7C4E5119D4E900DB30AF0FF
if that helps

[grego123]

Re: HP Elitebook 840 G2

when trying to read ID
Current programmer: CH341
ID(9F): FFFFFF(Unknown)
ID(90): FFFF(Unknown)
ID(AB): FF(Unknown)
ID(15): FFFF(Unknown)

When trying to Unprotect Before Erase
Current programmer: CH341
Old SREG: 11111111(0xFF), 11111111(0xFF)

[temuk12]

Re: HP Elitebook 840 G2

Please Help with Bios HP Elitebook 840 G2, got Laptop with erased bios, found generic bios 16 MB from internet uploaded everythink is working except diffrent serial and getting error:

Please unlock MPM, and lock again to capture valid MUD data

2mb and 16 mb bin files attached

[peste]

Re: HP Elitebook 840 G2

Please Help with Bios HP Elitebook 840 G2, got Laptop with erased bios, found generic bios 16 MB from internet uploaded everythink is working except diffrent serial and getting error:

Please unlock MPM, and lock again to capture valid MUD data

2mb and 16 mb bin files attached

try this..

https://www.youtube.com/watch?v=9T57ktw8n3Y

[temuk12]

Re: HP Elitebook 840 G2

try this..

https://www.youtube.com/watch?v=9T57ktw8n3Y

Hello,

Thank you for your answer, tried this already, this method not working, I am changing data saving and after restart nothing changed.

[Haker5]

HP EliteBook 840 G2 clear password

please remove bios password

[Vesko356]

Re: HP EliteBook 840 G2 clear password

You can do it yourself:
HP BIOS unlock tool

And the result:

[Pasha_Lu]

Re: HP EliteBook 840 G2 clear password

Try.

[Andreasbest]

HP 840 G2 locked BIOS but 2 EEPROM!

Hello.
I have a locked HP 840 G2, i have clean BIOS but there are 2 eeprom chips side by side.
U366 and U365
Which one should i flash?
Thank you!

[SMDFlea]

Re: HP 840 G2 locked BIOS but 2 EEPROM!

Hello.
I have a locked HP 840 G2, i have clean BIOS but there are 2 eeprom chips side by side.
U366 and U365
Which one should i flash?
Thank you!

post both backups.

[designerweb]

Re: HP Elitebook 840 G2

hi
Please unlock this file or I
thank you