This is a working and tested bios for LG MS-7717 (H61/LG Electronics B50PV.AR5GB2E)
-
Corrupted BIOS (no WIFI, graphics drivers crashing, USB port reset request failed, etc)
Working BIOS (taken from 15.0.41.2158_CON_LP_B_PRD_EXTR_AB7F54AC but I fixed some FLEX I/O for sata ssd and GPIO VCCIO config for this model)
System SKU NE14I310
BIOS Version APD-BI-14-XU133TR130-TA60F-143-E ?
Motherboard XU133T rev 1.3
Serial Number IPNBI3X240SM2A01095
Processor 11th Gen Intel(R) Core(TM) i3-1115G4 @ 3.00GHz 3.00 GHz
RAM 8.00 GB
NOTE: I'm new repairing and not sure if this is everything that needed to be configured, but the BIOS... -
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.
-----------------------------------------------------------------------------------------
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,
So i've bough a ch341 programmer, and the chip was CH341B . the test clamp was not working( when connecting bios using test clamp, ch341 device was disconnecting) I tried soldering the bios on the provided board, soldering the bios I could read the chip but could not write or erase. ASprogrammer , neo, ch341a programmer... all programmer software was hanging and device was disconnecting after few second of erase/write operating.
So then I have soldered a capacitor(whatever I had..[10v ~470uf ] ) from VCC to GND on my provided pcb where you solder the bios
now all... -
Hi 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... -
Hi guys,
On motherboard ACER AN515-52 type LAF951P.
I fixed issue with not starting computer (it was the PQ201 component not working properly).
But after checking everything I have still an issue with secondary SATA connector JHD1 (for HDD typically).
Basically some HDD spin but are not detected by the bios.
Already tried following:
checked the 4 data lines
#2 RDSATA_PTX_C_DRX_P4 => CO18 (10nF seems OK) => RO24 (0Ohm measured at 0.25Ohms).
#3 RDSATA_PTX_C_DRX_N4 => CO17 (9.68nF seems OK) => RO23 (0Ohm measured...07-28-2024, 08:30 AM