Badcaps - Explore our electronics repair forums
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Lenovo Legion 5 15ARH05 problem after replace KBC
Hello, I have problem with this laptop, i change IT8227E-192 CXA KBC in this laptop and when I connect battery and Power Supply it doesn't start. Only fans are spinning for few second and stop and again and again. There is flashing orange battery charging indicator. When battery is disconnected fan start only once then starts but there is no display. -
D865PERL has low 1.5 V
Hi, could anyone tell me where on this board is 1.5 V generated? Looking at it's reading from the monitoring chip, it seems to have dropped over time, and is often at 1.406 V, while the datasheets for the chipset say the minimum is -5% or 1.425 V, if I understand them correctly. Maybe this is the cause of ocassional crashes for me.
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VBIOS for Acer Predator Helios 300 PH3-315
Dear Badcaps companions,
We got an Acer Predator Helios for repair that's missing the VBIOS chip (UV2). I already figured out that the chips is a Winbond W25Q16JWSSIQ so we're looking for a 2MB dump that's no where to be found.
The Acer website listst some VBIOS updates, but they are EXE files and they somehow seem to be compressed or encrypted. I have knowledge of BIOS but not much of VBIOS. Is there somebody out there that can help me?
https://www.acer.com/nl-nl/support/p...sn=21205450234
Serial number:... -
ASUS G733QR unable to run any bootable drive / USB
Hi all, I'm newbie, i have a customer's laptop that is ASUS G733Q-RHG062T can turn on can charges, but unable to boot any bootable drive / usb , during boot just black screen only, tested different ram and different SSD still same problem. Any idea which part i can start diagnose? -
Help with Yatour YT-M06 Pioneer Interface (firmware or schematic needed)
Hi everyone,
I'm currently working on repairing a Yatour YT-M06 multimedia interface (used with Pioneer head units). I'm looking for the firmware or schematic diagram to troubleshoot the board, as it's currently unresponsive.
If anyone has any documentation, tips, or experience with this specific unit, I'd appreciate any help!
Thanks in advance,
Eduardo (from Brazil) -
DELL Precision 3660 Tower Workstation BIOS
I bought a DELL Precision 3660 Tower Workstation from a second-hand seller. After bringing it home, I found out it was actually a testing unit. The BIOS cannot be upgraded (only the ME and PD2 sections are upgradable), and there are test messages displayed during boot, which really affects the user experience.
Upon inspecting the motherboard, I noticed that the BIOS is composed of two chips: one 8-pin 16MB chip and one 16-pin 32MB chip.
I acquired two new chips from another source containing the official BIOS version, but after installing them, I found that none of the...Last edited by cozily; Yesterday, 08:49 PM.
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