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Old 10-28-2020, 10:14 AM   #1
sonsy
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Default Hp 840 g4 bios repair please

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.
Attached Files
File Type: zip 840.zip (9.17 MB, 4 views)

Last edited by sonsy; 10-28-2020 at 10:21 AM..
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Old 10-28-2020, 11:06 AM   #2
peste
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by sonsy View Post
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.
try..
Attached Files
File Type: rar Orig+P78_0135+outimage.rar (7.74 MB, 3 views)
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Old 10-29-2020, 11:02 AM   #3
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by peste View Post
try..
Thanks neighbor, but with that bios laptop wont turn on, just caps lock blinks..(I try two times)
Any idea?
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Old 10-29-2020, 11:25 AM   #4
peste
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by sonsy View Post
Thanks neighbor, but with that bios laptop wont turn on, just caps lock blinks..(I try two times)
Any idea?
post the motherboard model ???
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Old 10-29-2020, 03:08 PM   #5
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by peste View Post
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
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Old 10-30-2020, 05:59 AM   #6
peste
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by sonsy View Post
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
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Old 10-30-2020, 02:22 PM   #7
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Default Re: Hp 840 g4 bios repair please

Here is motherboard number: 6050A2854301-MB-A01
Same is like you wrote.
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Old 10-31-2020, 03:55 AM   #8
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by sonsy View Post
Here is motherboard number: 6050A2854301-MB-A01
Same is like you wrote.
try..if it works enter the DMI information ..
Attached Files
File Type: rar Orig+P78_0135+outimage.rar (7.74 MB, 3 views)
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Old 10-31-2020, 11:27 AM   #9
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by peste View Post
try..if it works enter the DMI information ..
Not work

will not turn on at all, just caps lock blinks...
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Old 10-31-2020, 11:43 AM   #10
SMDFlea
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by sonsy View Post
Not work

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.
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Old 10-31-2020, 12:21 PM   #11
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by SMDFlea View Post
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:
Attached Files
File Type: zip HP 840 G4 With PASS_unlocked.zip (8.88 MB, 3 views)
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Old 10-31-2020, 01:02 PM   #12
SMDFlea
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Default Re: Hp 840 g4 bios repair please

Try this one .
Attached Files
File Type: zip 840_G4 ME_CLEAN.zip (8.76 MB, 3 views)
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Old 11-02-2020, 09:45 AM   #13
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by SMDFlea View Post
Try this one .
BINGO
Works great! You are the king!
Thanks a lot for the effort!

Last edited by sonsy; 11-02-2020 at 10:01 AM..
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Old 11-02-2020, 09:50 AM   #14
sonsy
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Default Re: Hp 840 g4 bios repair please

Quote:
Originally Posted by peste View Post
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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