Hp CSL50/CSL53 LA-E791P

[thorcito]

Re: Hp CSL50/CSL53 LA-E791P

Read bios again, it missing a lot of parts, including DMI. Do more readings until you get 2 identical files, if you are using CH341A for sure you have poor contacts.

Thank you. You are right, it was bad contact on pins.

In my case the right version was:

hp bios backup_ME_Cleared.BIN

The notebook is working ok.

Thank you to all so much.

[scarts4]

Thanks 08328B worked for me.

Intel Core i3 6006U + R5 M330 GPU.

Laptop had no image only fan was spinning , no caps light (After hp bios update through windows :-/ )

[mielik6]

After many attempts, file 08328A from SMDFlea post worked
THX

[jassyali]

Anyone got a working bios file for my model?
CSL50/CSL52 LA-E791P REV 2.0
SN: CND7449N6H

[SMDFlea]

If you have a bios backup post it here in a zip or rar attachment

[jassyali]

i havent got

[El_LoBooo]

Re: LA E791P REV 2.0 bios request

i get the LA E791P REV 2.0 if some one need it

This one works 100% for me:

HP 250 G6
Processor: i3 6006

[gipopogi]

Hi guys,
I had my 15/bs0xx broken after bios update (v. 73) from official hp software.
I flashed my bios with CH341A and clip (only mb , i removed all on mb).
I tried unsuccessful with official bioses (73, 72, 69 e 57).
i tried successful with 8328B.zip and HP 15-BS525UR,LA-E791P REV 2.0_MAIN.zip on this post.
Many thanks.

My details:
HP Laptop 15-bs0xx
2GH53EA
1XN28EA
i3-6006
MB LA-E791P R.2.0

One question: Is possible to remove the message at startup on Manufacture mode and this mode of bios has some problem?
Thanks

[Vesko356]

Hi guys,
I had my 15/bs0xx broken after bios update (v. 73) from official hp software.
I flashed my bios with CH341A and clip (only mb , i removed all on mb).
I tried unsuccessful with official bioses (73, 72, 69 e 57).
i tried successful with 8328B.zip and HP 15-BS525UR,LA-E791P REV 2.0_MAIN.zip on this post.
Many thanks.

My details:
HP Laptop 15-bs0xx
2GH53EA
1XN28EA
i3-6006
MB LA-E791P R.2.0

One question: Is possible to remove the message at startup on Manufacture mode and this mode of bios has some problem?
Thanks

First of all where is your original bios backup?
Secondly all the information you need to prepare yourself a virgin bios for your machine is in this post https://www.badcaps.net/forum/troubl...81#post1835981. Did you read it ?
Third you can use HP BCU to exit Manufacture mode, it's been mentioned many times - use the search engine, and read some threads before asking questions.

[gipopogi]

First of all where is your original bios backup?
Secondly all the information you need to prepare yourself a virgin bios for your machine is in this post https://www.badcaps.net/forum/troubl...81#post1835981. Did you read it ?
Third you can use HP BCU to exit Manufacture mode, it's been mentioned many times - use the search engine, and read some threads before asking questions.

Many many Thanks 🙏, and sorry. I didn't read well. 🙏🙏🙏
I followed the guide correctly and solved all problem.
Now I have F.69 original bios.
Thanks again.

[Vesko356]

You're welcome.
Well done.

[kubernet]

Hello, i'm new here,i have some time to try to restore my hp computer, nice people can help me ?

i read the rule, hope i doing all good

HP 250 G6

CSL50/CSL52 LA-E791P REV 2.0

SN: CND7491FF7

Don"t know what i do some month ago, bios update i think, but since black screen...

all my thanks...

[Vesko356]

Welcome to Badcaps forum. Yes, don't worry your first post is OK, especially for a new member. Well done. 👍
Please read my post here https://www.badcaps.net/forum/troubl...81#post1835981 and try to follow the guides to prepare yourself a new bios. If you have difficulties please let me know and I'll give you a hand to finish the job.

[kubernet]

Thanks you,

i extract the bios as you post said to do it, but now i have many .sig / .bin file

how to choose the good one ?

thanks


EDIT l ignore please, need to use $BID, thanks

[Vesko356]

Exactly, you must choose the same $BID as in the original bios, In your case the $BID number is 08328.

[kubernet]

Well i find the good bios to use,

may you explain me now how to add my DMI on this bios ?

thanks

[Vesko356]

Well i find the good bios to use,

may you explain me now how to add my DMI on this bios ?

thanks

Download HxD hex editor, open your original bios backup and 08328.bin with the program, select "originalone.bin" tab, use Ctrl+E to "Select block", fill 210000 as "Start-offset" and 211FFF as "End-offset", click OK, use Ctrl+C to "Copy" selected, then do the same with 08328.bin but instead of "Copy" use Ctrl+V to "Paste insert", click save. Done. Your DMI area and Windows key is transferred from your original dump to the virgin 08328.bin bios.
Flash the 08328.bin bios to the chip, and you're good to go.

.

[Ariel2211]

Re: la-e791p


Try

Hello, this is for rev 1.0 or rev 2.0 ?

[Vesko356]

Read my last few posts above, starting with this one https://www.badcaps.net/forum/troubl...07#post3207307
In addition, the quoted post and the answer in it refer to the request of another user, if you have a similar issue post your request as per the rules, but as I said first read the last posts here because all the information needed to prepare yourself a new bios is already shown.

[kubernet]

Download HxD hex editor, open your original bios backup and 08328.bin with the program, select "originalone.bin" tab, use Ctrl+E to "Select block", fill 210000 as "Start-offset" and 211FFF as "End-offset", click OK, use Ctrl+C to "Copy" selected, then do the same with 08328.bin but instead of "Copy" use Ctrl+V to "Paste insert", click save. Done. Your DMI area and Windows key is transferred from your original dump to the virgin 08328.bin bios.
Flash the 08328.bin bios to the chip, and you're good to go.

.

thanks for all, thanks for this tuto

my bios is ready i will test it and let you know



about "fill 210000 as "Start-offset" and 211FFF as "End-offset"

This is for all hp bios the same ?

[Vesko356]

No, the DMI and Windows keys offsets are not the same for all other models of course, as well as the BID versions.

[Ariel2211]

Hello, this is for rev 1.0 or rev 2.0 ?

Ty it works for me i have same bios ver 1.0

[kubernet]

I mean the DMI and windows key is alway stored between 21000 AND 211FFF ?

For exemple if tomorow i need to do the same on another HP laptop, i will also find DMI and W key between 21000 AND 211FFF ? even if this is not HP 250 G6 ?

[Vesko356]

No, the DMI and Windows keys offsets are not the same for all other models of course, as well as the BID versions.

What is not clear in the quotation?

If the model is the same you will find them at the same offsets, if it is different - the offsets will also be different.

[hoaca388]

I mean the DMI and windows key is alway stored between 21000 AND 211FFF ?

For exemple if tomorow i need to do the same on another HP laptop, i will also find DMI and W key between 21000 AND 211FFF ? even if this is not HP 250 G6 ?

# 94

[kubernet]

I burn my bios file created with tuto, not work

can you just check the bios file and let me know if i do it all good ?

The bios attached here is not backup, this is the bios i try to prepare myselft with wonderfull Vesko356 tuto


HP 250 G6

CSL50/CSL52 LA-E791P REV 2.0

SN: CND7491FF7

thanks

[Vesko356]

I burn my bios file created with tuto, not work

can you just check the bios file and let me know if i do it all good ?

The bios attached here is not backup, this is the bios i try to prepare myselft with wonderfull Vesko356 tuto


HP 250 G6

CSL50/CSL52 LA-E791P REV 2.0

SN: CND7491FF7

thanks

Well done. Good job. 👏 The bios is 100% OK.
If its no go, your problem is not bios related, or you most probably made a mistake with the programming to the chip.
Do it again, use verification. Read the chip once again after flashing and compare the content to be sure you've programmed the chip correctly.

[Vincent Jaussaud]

Just wanted to thanks the whole community here. Thanks to you guys I was able the recover my BIOS after a stupid HP update which completely broke my system. In my case, the bios file provide by mcplslg123 saved my laptop from the wasting dump !
Thanks again !