-
Hello, any help will be apprecited!- Model: Dell G15 5511
- MB: LA-K452P
- Issue: Won't turn on at all, no leds, no keyboard light, no fan spin, nothing happens when pressing power button. NOTHING.
- Customer reported it was turned off and left plugged in during the night and thats it...
- No signs of liquid damage or burned components.
I have checked so far:
... -
Hello everyone, I'm troubleshooting an MSI Delta 15 (MS-15CK1) motherboard, and I need help identifying the function of the two coils marked in the attached image. The laptop powers on and responds to the keyboard, but the screen does not turn on-neither the LCD nor the backlight. I've checked the main power rails, and all other coils seem to have the expected voltages:
• 0.91V for the GPU
• 1.7V for VRAM
• 3.3V and 5V rails 1.8V for the BIOS
• 0.9V for the CPU and iGPU 1.2V for the RAM
However, these two coils are not showing any voltage.... -
I have a Mb LA-A993P REV 1.0 computer, I am guiding myself with these two shared boards. ;
there are some ICs that are not the same, in this case those of the PU1501 (JD4TB) and PUH1 (NF4SA) images.
n, please identify.
330mA of consumption after 8 seconds turns off. +3VALW AND +5VALW present, EC_RSMRST# , LID_SW# , EC_ON# , ACIN# present.
SUSP# NOT PRESENT, which would be this the problem does not turn on sub-sources Any leakage?
I also notice that in the PLH2 coil that belongs to +1.05VS according to the drawings I am not sure,
...06-27-2024, 06:11 PM -
Hello fellow Badcappers,
I have a problem with stubborn Surface Pro 7. I narowed it down to disappearing SLP_S4# (gone after around 200 ms).
Everything else works as it should (the whole power on sequence succesfully finishes, all the voltages are present) until this signal goes missing - with it missing the AND gate causes ALL_SYS_PWRGD to go back low and this makes VCCIN drop to 0 V as well. Interestingly the SLP_S4_DRV# signal from SAM is still present for a second, even after SLP_S4 is no longer there. I wonder what could either cause PCH to stop sending the signal or what... -
Hello,
I have a Dell G15 ryzen edition (ryzen 5) that turns on but won't post, black screen, keyboard lights on, caps lock led on, fans turns and the battery indicating light is showing 2amber and 1 white according to dell website it's a cpu failure, but i tried few basic things before i open it up i tested the screen by pressing the d button before powering it up but it didn't show anything i tried the ctrl+esc for bios recovery but still black screen i tried refreshing the screen, i plugged it on an external monitor but same thing. Next step i unplugged the battery and kept pressing the...
Working...
😀
😂
🥰
😘
🤢
😎
😞
😡
👍
👎
☕
Comment