E14 TYPE 20RA
MB NO. NMC421 REV 1.0
SN- PF-2DQ23Q
ORGNL BIOS ATTACHED...
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Badcaps Statistics
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Topics: 103,021
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Welcome to our newest member, commpact CZ.
Latest Topics
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by NicktronicHi all, just curious if the BL_ERR signal is active high or low? TV has the 6 blink error code and I've changed the backlights as they tested questionable (4 strips tested - 203VDC, 203VDC, 203VDC and 175VDC). The new strips all tested at 175VDC. Now when I turn it on, it tries twice to come up and then the 6 blink code. During the this time the BL_ERR pin is high and drops low momentarily, then does it again on the 2nd try to boot (so Im assuming active low). The other thing is the backlight voltage ramps to ~280VDC from around ~160VDC and then back down as the TV tries to boot again. Does...06-03-2024, 07:30 PM
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by LubaziHello i need bios and ec dump for
Yoga 7 14ITL5
S/N: PF253Q07
Modell: 82BH004XGE
The two attached BIOS files work but the two USB-C ports do not work and I cannot charge the device....-
Channel: BIOS Requests ONLY!
Today, 02:21 AM -
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[B]request all to send me working bin file Lenovo L13 gen 4 bios 64 MB one[/B]
[B]request all to send me working bin file Lenovo L13 gen 4 bios 64 MB one[/B]
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Channel: BIOS Requests ONLY!
Today, 12:55 AM -
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I have this inexplicable problem from yesterday
Each time i start my laptop by pushing the physical power button in, the laptop keyboard and touchpad are available to me for use when the system has booted to the desktop (I can enter the bios by pressing on F10 too) irrespective of whether the laptop is powered by the AC adapter or the battery. This is normal behaviour
BUT NOW FOR THE ABNORMAL PART
However, when using the laptop normally, if i choose restart from the power options, the touchpad and mouse are non-functional when the system has booted to the...06-06-2024, 10:35 AM -
by sauceHi,
I have this laptop HP x360 1030 G2.
Battery is charging well, the laptop powers on the CPU gets warm but nothing on the internal screen or hdmi.
The fan is spinning at full speed.
Any idea ?
I just asked for a schematic i cannot find it.05-30-2024, 05:25 AM -
I started troubleshooting this Razer Blade 15 laptop DA560 motgerboard a while back, due to some shorted 19v, 5v, 1v power rails. I fixed some of components and think 19v rail is good, 5v rail is good, 3v is better but not all way i think, and 1v is still bad. At this point the diode reading on these rails are 19v - 0.032v , 5v - 0.167v, 3 - 0.63v and 1v - 0.005v .
When the rails when down, I went down different rabbit holes and seeing chips getting pretty warm on thermal but not blazing hot. Yet there were not any caps or any small components getting blazing hot. Example is EC chip,...1 Photo06-06-2024, 11:35 AM -
by abajorI have this 1707 with the 5V 0A power loop issue on 3 of the jacks.
One of the CD3215C00 had corrosion under one side U3100 to be precise.
This USB jack was drawing ~.2A and not boot looping.
After replacing the CD3215 I am having an odd problem. I can rotate the USB-C and it only works in one orientation. And now it boot cycles, like the other usb channels so I'm part way there.
After looking at the schematic and board view. It makes very little sense that this is happening since they both pin 59 and pin 60 both go to the same places on J3300.
...06-06-2024, 08:02 PM -
by samiror008HP pro x360 11 G11 bios -Help unlock the password...
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Channel: BIOS Requests ONLY!
Yesterday, 04:38 PM -
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[B]request all to send me working bin file Lenovo L13 gen 4 bios 64 MB one[/B]
[B]request all to send me working bin file Lenovo L13 gen 4 bios 64 MB one[/B]
-
Channel: BIOS Requests ONLY!
Today, 12:55 AM -
-
by LubaziHello i need bios and ec dump for
Yoga 7 14ITL5
S/N: PF253Q07
Modell: 82BH004XGE
The two attached BIOS files work but the two USB-C ports do not work and I cannot charge the device....-
Channel: BIOS Requests ONLY!
Today, 02:21 AM -
-
by abajorI have this 1707 with the 5V 0A power loop issue on 3 of the jacks.
One of the CD3215C00 had corrosion under one side U3100 to be precise.
This USB jack was drawing ~.2A and not boot looping.
After replacing the CD3215 I am having an odd problem. I can rotate the USB-C and it only works in one orientation. And now it boot cycles, like the other usb channels so I'm part way there.
After looking at the schematic and board view. It makes very little sense that this is happening since they both pin 59 and pin 60 both go to the same places on J3300.
...06-06-2024, 08:02 PM -
by TlamatiniHello everyone.
Sorry for the request, but i need a dump bios for this laptop
ROG Zephyrus M16
on the back: GU603ZW-M16.I93070T
SN: N4NRKD036371164
On the motherboar:GU603ZX_MAINBOARD R2.1(X16)
I'll attach the original dump and the mobo model and laptop model photo.
I'll apreciate so much your help.
Thank you so much in advance....-
Channel: BIOS Requests ONLY!
Yesterday, 12:06 PM -
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by joel9922hi there can i request for bios for G16 7630 32mb
service tag: B2XK904...-
Channel: BIOS Requests ONLY!
Yesterday, 04:06 AM -
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by samiror008HP pro x360 11 G11 bios -Help unlock the password...
-
Channel: BIOS Requests ONLY!
Yesterday, 04:38 PM -
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by pastorelloHello,
I need the BIOS for the Acer A315-510P with the nb6301a_mb_v3 motherboard. Notebook is not turning on and everything indicates that the bios is corrupted, if you could send me a backup-
Channel: BIOS Requests ONLY!
06-06-2024, 03:22 PM -
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by popzeggeyHello, I have the similar problem. My Dell Precision 7520 doesn't turn on with only battery. Below are the various scenarios and its symptoms
1. With only battery, the laptop turns on but no display and shuts down after few seconds
2. With battery and charger plugged in, the battery light comes on. But pressing the power button does nothing and laptop refuses to turn on. However, the battery led light blinks every 17seconds from when the charger is plugged in with or without battery. So whether the battery is inserted or not, the battery led light will turn when charger...Yesterday, 09:23 PM -
by petersorQuick repair summary for those interested. I had a Hisense 58R6E3 TV that had backlights working but no picture. T-Con had 12V supply but some of the supplies on the board were 0V. Unplugging one of flat cables to the LCD display driver boards brought the supplies back up, so I figured it was a short on the LCD panel driver board. Narrowed the short down to the 15V power supply by checking the coils on the T-Con board to ground with a diode test and confirmed that all the MLCC caps on that rail all showed a short to ground. I injected 5V/1A into the 15V rail on the driver board (T-Con disconnected)...3 PhotosYesterday, 04:16 PM
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by Maxpower3Hello everyone.
Here is the bypass solution for several Lenovo ECs.
This has worked on many ECs.
Only works if password is contained in EC
I succeeded on many models
[URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/104872-lenovo-l15-gen-2-ryzen-password-removal-w-vertyanov-successor?p=3217086#post3217086"]https://www.badcaps.net/forum/troubl...86#post3217086[/URL]
[URL="https://www.youtube.com/channel/UCeF58jC2Bt_adKcguvynjeA"]https://www.youtube.com/channel/UCeF...t_adKcguvynjeA[/URL]...-
Channel: BIOS Requests ONLY!
03-17-2024, 11:57 AM -