Hello,
Anyone have dump bios for this model
Acer A315-53-317L
MB : C5V01 LA-E891P Rev 3.0
2018-09-14
Thank you
Anyone have dump bios for this model
Acer A315-53-317L
MB : C5V01 LA-E891P Rev 3.0
2018-09-14
Thank you
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Re: Acer A315-53-317L
working bios extract from acer websiteComment
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looking cv501 la-e891p rev 3.0 bios
guys, can some one give me a clean bios of cv501 la-e891p rev 3.0?
Model acer 3 a315-53
Cant upload the old bin because it says invalid file
thanks in advanceLast edited by tribalcore20; 12-02-2020, 02:08 AM.Comment
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Re: looking cv501 la-e891p rev 3.0 bios
Post your backup & model numberLast edited by qayyum786; 12-02-2020, 01:57 AM.Comment
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Re: looking cv501 la-e891p rev 3.0 bios
I can't upload my old bin. Keep on saying invalid file.Comment
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Re: looking cv501 la-e891p rev 3.0 bios
give me your serial numberComment
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Re: looking cv501 la-e891p rev 3.0 bios
i am using ch341a programmer.
at 1st the laptop is working but when i reprogram the bios with this programmer. it keep on saying chip with the contents are not the same even when i put the old dump. is my programmer bad? because i have been using this with winbond and it was doing good but with this chip xcm, i think its not working. my problem is that when i useLast edited by tribalcore20; 12-02-2020, 04:14 AM.Comment
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Re: looking cv501 la-e891p rev 3.0 bios
There is some alternative better software you can use with the CH341A .NeoProgrammer ,AsProgrammer ,Colibri .You`ll find them all on the forum if you search. Always make 2 backups and verify they are both the same using a hex editors file compare function . HxD - https://mh-nexus.de/en/hxd/ .
Post your original bios backup.Last edited by SMDFlea; 12-02-2020, 04:29 AM.Comment
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Re: looking cv501 la-e891p rev 3.0 bios
maybe dump is not backup properly because of your programmer tool or its software
Follow the post #9 and try againComment
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Re: looking cv501 la-e891p rev 3.0 bios
i already did and it is giving me so many differences.Comment
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Re: looking cv501 la-e891p rev 3.0 bios
Maybe the bios chip is the one that is faulty.Comment
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Hello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
07-24-2025, 02:17 PM -
Hello everyone,
I recently bought a non-working Asus Zenbook Pro Duo OLED UX8402ZA that was listed for parts only. The seller mentioned that it had no display output but that the charging lights worked.
When the laptop arrived (without a charger and SSD), I connected a charger and confirmed with a multimeter that it was charging the battery. However, when I tried to power it on, only the backlight of the secondary display came on. There was no image, and it didn’t boot into the BIOS.
I decided to try flashing a new BIOS, but since I didn’t want to desolder... -
First 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... -
Hi, 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... -
Hello, 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,...
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