Badcaps Forums - Hp 840 g4 bios repair please

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sonsy

10-28-2020 10:14 AM

Hp 840 g4 bios repair please

1 Attachment(s)

Hi friends. Can someone help me repair corupted bios on Hp elitebook 840 g4. With original bios laptop turn on, but without image on screen, and turn off after about 5 sec.
When I write other bios from forum, laptop turn on, and image comes with delay of 30 seconds.
If someone know how to fix that please help.
I will atach my original old bios.

peste

10-28-2020 11:06 AM

Re: Hp 840 g4 bios repair please

1 Attachment(s)

Quote:

Originally Posted by sonsy (Post 998556)

try..

sonsy

10-29-2020 11:02 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by peste (Post 998572)

try..

Thanks neighbor, but with that bios laptop wont turn on, just caps lock blinks..(I try two times)
Any idea?

peste

10-29-2020 11:25 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by sonsy (Post 998806)

Thanks neighbor, but with that bios laptop wont turn on, just caps lock blinks..(I try two times)
Any idea?

post the motherboard model ???

sonsy

10-29-2020 03:08 PM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by peste (Post 998808)

post the motherboard model ???

I am not shure where is located, I found some m/b number under second ram module. 11/3 M/B SPS 917504-601

peste

10-30-2020 05:59 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by sonsy (Post 998863)

I am not shure where is located, I found some m/b number under second ram module. 11/3 M/B SPS 917504-601

look for something like this .. written on the motherboard with paint ..

6050A2854301-MB-A01

sonsy

10-30-2020 02:22 PM

Re: Hp 840 g4 bios repair please

Here is motherboard number: 6050A2854301-MB-A01
Same is like you wrote.

peste

10-31-2020 03:55 AM

Re: Hp 840 g4 bios repair please

1 Attachment(s)

Quote:

Originally Posted by sonsy (Post 999072)

Here is motherboard number: 6050A2854301-MB-A01
Same is like you wrote.

try..if it works enter the DMI information ..

sonsy

10-31-2020 11:27 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by peste (Post 999165)

try..if it works enter the DMI information ..

Not work:why:

will not turn on at all, just caps lock blinks...

SMDFlea

10-31-2020 11:43 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by sonsy (Post 999247)

Not work:why:

will not turn on at all, just caps lock blinks...

How many times do the caps blink.Clean the gold RAM pins with an eraser.

sonsy

10-31-2020 12:21 PM

Re: Hp 840 g4 bios repair please

1 Attachment(s)

Quote:

Originally Posted by SMDFlea (Post 999249)

How many times do the caps blink.Clean the gold RAM pins with an eraser.

Thanks for answer. 8 times blink, When i put bios from forum i got the image on screen, but after delay about 30 sec..
Here is dump from forum:

SMDFlea

10-31-2020 01:02 PM

Re: Hp 840 g4 bios repair please

1 Attachment(s)

Try this one .

sonsy

11-02-2020 09:45 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by SMDFlea (Post 999260)

Try this one .

BINGO :rejoice:
Works great! You are the king!
Thanks a lot for the effort!

sonsy

11-02-2020 09:50 AM

Re: Hp 840 g4 bios repair please

Quote:

Originally Posted by peste (Post 999165)

try..if it works enter the DMI information ..

Thanks also a lot for the effort.
This forum is full of wonderful people who want to help. I was very surprised, how quickly the answers and solutions to the problems arrive.
Thank you all!

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