bios hp DAY31AMB6C0 rev.C, please
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I ran the sp92961.zip file you provided, but I noticed that after the BIOS recovery, the laptop does not detect the battery. 😫
I have tried several times updating the F.57 BIOS, different download files for the k000, k100 and k200 models, but the problem still persists. I also did a clean install of Windows 10 and the problem persists. My laptop does not detect the battery now?
I have also tried disabling and then enabling the Microsoft ACPI-Compliant Control Method Battery driver in Device Manager, but nothing helps. I have even tried uninstalling the ACPI driver and also the Microsoft AC adapter and then restarting the laptop, but the problem persists.
I have no idea what else to do...😢Attached FilesComment
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In that case, I will look to buy another battery. The fact is that I bought a replacement Green Cell 2600 mAh battery (HP82PRO) around September 2019 and the battery was always charged at about 90% when plugged into AC. I find it very strange that the battery would suddenly die in that time frame. 😐Comment
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I bought a brand new Patona 2200 mAh battery and I still get the message "No battery is detected". I really don't know what else it could be... 🤔 Since the BIOS update, the battery is no longer detected.Comment
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I honestly don't know what the problem could be. I know you can't fully diagnose a computer just by looking at a photo, but I don't see anything wrong with the laptop. The white ribbon connecting the battery pins to the motherboard was installed correctly, in my opinion. I'll try taking it apart again and reconnecting it again, but I honestly doubt it.Comment
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Status update on the battery issue... I honestly can't believe what the problem was, but the laptop now recognizes the battery and works/charges flawlessly.😀👍
The problem was that there was no blue pull tag on the battery ribbon cable that connects to the motherboard. If I hadn't bought a new battery to test, in case my used battery was the problem, I would never have noticed the missing blue pull tab while troubleshooting. As shown in the photo on insidemylaptop.com, you can clearly see two blue pull tabs on each side of the white ribbon cable. While troubleshooting, I kind of felt that the ribbon cable was not securely attached (it felt loose) under the locking tab where the pull tab was missing, so I tried placing a small piece of paper on top of the cable to press the connectors all the way in and all of a sudden the laptop recognized the battery!😃Comment
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by Vesko356First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Find by serial number,model number or series
If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If...-
Channel: BIOS Requests ONLY!
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by jbonavitaHi, my laptop wont boot at all
With original bios no POST, only LED lights
With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
Some issues
A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
B- If updated from 500LN version 203 to 300, the battery stops being recognized
Things I tried
1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble...-
Channel: BIOS Requests ONLY!
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by zeniusHello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.
Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...-
Channel: BIOS Requests ONLY!
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by WahazHello,
I have a Lenovo Thinkbook 15 G2 ITL i5 Laptop (serial number: MP2BFZEF) that when I turn it on, the led on the power button lights up for 5 seconds, then goes out. There's no display and nothing happens.
So I thought it was a Bios problem.
I found 3 bios chips on the board, which I read with a bios programmer: two XMC model bios chips and a Winbond model bios chip. Each XMC model bios chip has two partitions named XM25QH128A [3.3V] and XT25F128A [3.3V]. And the Winbond model bios chip has three partitions named W25Q80BL 3.3V, W25Q80xV 3.3V and W25Q80DV 3.3V....-
Channel: BIOS Requests ONLY!
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by BloodhoundjeHi everyone,
I have been doing hardware repair as a hobby for some years now and recently decided to learn about repairing laptops as a fun challenge.
I managed to get my hands on a "HP Pavilion Gaming 15-ec2523nd" notebook that only shows a white power LED and doesnt respond to anything.
After initial testing I concluded the bios seems to be corrupted since all voltages are normal and there are no shorts. HP has a feature for a bios restore from USB with winkey+B for this model. This did not work.
I have desoldered the bios chip (GigaDevice...-
Channel: BIOS Requests ONLY!
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