huzo
Senior Member
Last Activity: 12-05-2025, 11:57 AM
Joined: 09-27-2014
Location: ZAGREB
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Lenovo y700 not showing battery charge state
The above mentioned laptop with the board NM B-163 is showing 1% battery charge in OS,but the battery holds for about 2h when unplugged from the charger ....when plugged in the windows says plugged in,the voltage goes up from 13.6V when empty to 15.7V when full,nominal voltage is 14.8V for that battery....SO it does charge and it does deplete, but it doesn't show charging or goes up from 1% on the battery meter....Here is the schematic for the battery charge connector, how should i test data and clock lines? They are connected to the EC on the mentioned pins,so no brekage,i don't have an oscilloscope...
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tnx friend, but it doesn't work...here is my dump after it decided not to work, so it's the 4001 from the chip after it didn't boot. i do not have the original 3002 unfortunately...If you can fix it?...Leave a comment:
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People ,my board died yesterday after bios update...it wen't from 3002 to 4001 version ,and after reset it never started up again, just blank screen altough i waited for like 5 minutes......But ok, i extracted the dump from .cap file ,and i tried flashing it and i tried the dump from this "urgently" post adn it doesn't work...the board worked perfectly until yesterday...CHAT GPT says that maybe the flash descriptor and PSP ,NVRAM should be flashed from the former bios...But i think something else is wrong....Leave a comment:
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The battery is defective,that is true,and new battery works fine...The old battery gets 8.6V while the charge starts for a few seconds and the 0V, altough the battery is 11.55V nominal value it gets only 8.6V, So the old battery probably locked out because something..I forgot to measure the voltage on the new battery while charging but it wen't from 76% to 100%...So the issue is the old battery,but why,since the three cells inside are at 3.7V,so not like one of them died...Is it planned obsolecence?Leave a comment:
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Another Asus ROG Strix G513 issue...
I see there are many issues with these laptops all over the place...but mine is special...
THe board is G513-6050A3249301-MB-A04 with Ryzen 9 5xxx and Nvidia 3070 on board...The issue is that the laptop freezes at boot of windows,linux,HBCD etc...Altough the HBCD manages to boot and then freezes after a minute or so... But when i boot linux and disable ACPI=OFF switch it boots and doesn0t freeze, the battrery ,and wifi are working, but the battery meter is not shown, because it's disabled...ANd since i boot from the USB , i can't really install the nvidia drivers to see if the GPU... -
Yeah,but why did it lock itself? The cells are fine,and i read all over the web that people are having issues with this model...Leave a comment:
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But why does the batteyry fail? i opened the battery and all three cells have 3.7V,but the battery isn't working...Leave a comment:
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Yes, i had gen 2 disk, friend brought newer disk and it worked....Leave a comment:
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Lenovo ideapad 1 not recognizing NVME
Model is ideapad 1 15amn7 ,the board is 5B21J30218 HLS1C_HLS1D LA-L502P with ryzen 5 7th gen... The laptop came to me for broken hinges and displaying only the backlight on the screen...i repaired the hinges and tried booting and all i got was backlight on the screen,but caps lock worked, so i figured the screen or the flat cable was bad, i had the same laptop and connected the cable and screen from the other and the screen acted same, and original lcd works on the other laptop...so then i started removing wifi card and nvme and it started showing picture and i figured out the nvme was blocking... -
HP Pavilion 15-ec1060nm bios
Guys i have the same laptop, someone before me tried flashing some bios, but it was the wrong one,because only power button got on for a second and then off...i took this dump from post #4 and injected win key and DMI, now the board turns on,caps lock works, usb mouse works, but no image, not even on the HDMI...So the board works , but no image...I don't know what they did before me, maybe the screen is bad,backlight died or something like that...
Here is the SN 5CD0491ZQ3 and current dump, maybe the dump is for a different processor?? i've attached old dump with only power button...Last edited by huzo; 08-30-2025, 02:11 PM. -
Did anyone manage to solve no image issue? i've tried bios, tried tinkering with resistors RV330, RV331 to disable onboard ram, tried removing inductors from GPU, i am stuck now and have no idea what to do next...Leave a comment:
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I forgot to save my original dump, SERVICE tag is 9T5J8T2,can someone put my service tag into the clean ME flash?
i tried flashing the dumps from here, and few of them work, but only once...and the laptop is super slow and once you restart or turn off , next time only fans spin and no image...Leave a comment:
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peste , can you please look at these dumps?...Leave a comment:
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I've got a few 840 G5 laptops in the shop, all of them have simmilar problems, here are the dumps from one of them from both chips , I've tried the dump from few posts above, but only get caps lock turned on....
S/N 5CG8515SSC
model 840 G5
Board number 6050A3022501-MB-A01...Leave a comment:
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Not even transplant of a chip from non working motherboard? i have a few of dead boards , but they are unlocked...and i have a few locked with supervisor passwords...Leave a comment:
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OMG...But it's the 8th gen. it should be G6....That explains it why it deosn't work...Tnx alot!Leave a comment:
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Please anyone?...Leave a comment:
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I have like 8 of them and all are password protected...so i am asking is thee a way to unlock them
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Can someone check mine dumps two posts prior? When i flash peste's dumps i get caps only...Leave a comment:
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