Hello,
i am searching for schematics and boardview for NM-E791
unfortunately I could not find anything here in the forum
Thank You
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by mferna14I am working on ACER Aspire A515-54-74LM Serial # NXHNAAA00693913C647600 (SNID: 93908099676 ). Motherboard DA0ZAWMB8G0 Rev.G (UMA, no video chip on this board). It turns on fine but when booting to Windows 11, it just keep loading. The Windows ring is continously spinning & does not proceed anywhere. I tried with another known good SSD Card with 100% Windows 11 bootable from this SSD., & result if still the same. BIOS ME Region has been cleaned, same result with old & new BIOS bin files. No Liquid spill anywhere on the main motherboard or the SSD Connector. What is the next step I...Today, 12:34 PM
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by abajorTrying to identify this part if anybody has any idea what it might be, would be a good start to repairing this laptop....04-24-2024, 03:08 PM
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by vpowerHi, I have this laptop, it is completely dead, no charging light when connected to a working charger.
Can anyone help me with some hints for troubleshooting this laptop?
Thanks in advance...Today, 05:28 AM -
by PITERPENYthere is no reaction, it hangs at 20 V/0A. There was a little corrosion in the u7650 area. Replacing the u7000 did not help. Tell me, what else could it be? PPBUS_G3H=12.9V
Flashing the bios with a clean region also did not work!Yesterday, 04:31 PM -
by NiroPallHello friends,
Please share this schematic if you have,
EPK50 LA-G07EP REV: 2.0 (HP)
Thank you.-
Channel: Schematic Requests ONLY!
Today, 02:54 AM -
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This has happened on three keyboards, so now I am assuming it is something in the machine but I can't track it down. Every time you plug in a logitech wireless keyboard it will immediately switch the "c" and the "v" permanent on these boards. There is no malicious software I can find, the board cannot be reset or put back. The very last one I tried was a MK 235 with the same end result. If you plug in a Microsoft wired comfort curve board, no problem at all. I have tried cleaning the system, deleting all boards from the device manager, updating the Logi software,checking MS...Today, 12:02 PM
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by unimatrix93Dear forum,
I'm stuck with this old TV unit.
PSU: 17PW04-1
MB: 17MB62-1
Symptoms:
- Blue LED constantly blinking when connected to AC.
- Only sigh of life is beeping when touching the capactive buttons on the front.
Diagnostics so far:
Checked the PSU output voltages:
12V present
5V present altought its only around 4.2V
3V is present measured 3.4V.
I check TP 202 which is for the short circuit protection: 0.606V on diode mode
Since I met with some vestel models before with similiar symptoms...05-03-2024, 03:18 AM -
dont work, only 3 asterics on lcd
It seems like a BIOS problem in the support of the page they have to update from Windows, but this is not even recognized as a device on the computer, I am looking for help I think you can rewrite the NAND memory again but I don't have the accessory
If anyone with a sililar case or experience has something to comment on, it is welcome
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3266527}[/ATTACH]
Unfortunately they provide a *.fls...Today, 11:11 AM -
by niconetorHi! I have a corrumpt bios for this laptop
Model: Toshiba Satellite L50-A-14K
Motherboard: tmt YA-4A1 E114139 Rev 2.1
H000057570
No power, only led charging
This laptop have got two winbond
25q32fvsiq and 25q16dvsig
Thanks for all reply!-
Channel: BIOS Requests ONLY!
Today, 11:10 AM -
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by mferna14I am working on ACER Aspire A515-54-74LM Serial # NXHNAAA00693913C647600 (SNID: 93908099676 ). Motherboard DA0ZAWMB8G0 Rev.G (UMA, no video chip on this board). It turns on fine but when booting to Windows 11, it just keep loading. The Windows ring is continously spinning & does not proceed anywhere. I tried with another known good SSD Card with 100% Windows 11 bootable from this SSD., & result if still the same. BIOS ME Region has been cleaned, same result with old & new BIOS bin files. No Liquid spill anywhere on the main motherboard or the SSD Connector. What is the next step I...Today, 12:34 PM
-
by osblnHello,
i am searching for schematics and boardview for NM-E791
unfortunately I could not find anything here in the forum
Thank You-
Channel: Schematic Requests ONLY!
Today, 12:24 PM -
-
by fredyjbiPlease help sir, this board does not turn on because VSYS_OUT is 9.2v, I compared it with a normal board VSYS_OUT is 10.2v, I have replaced the PQ101 and PQ102 mosfet and BQ 25700 which is known to be good, but the results are still the same, thank you
VSYS_OUT 9.2v
Meter in resistance mode auto range 6M ohm ok
NORMAL BOARD VSYS_OUT 10.2V
PQ101
PIN 2 20V
PIN 7 0.004V
PIN 6 6V
PIN 5678 0V
PQ102
PIN 567 0V
PIN 9 0.004V
PIN 234 9.2V (VSYS_OUT)
PU101 BQ25700ARSNR
1 VBUS 20V...Yesterday, 10:48 AM -
by appie1206Hello there friends
Can someone Clear this bios file for me ?
serialnumber: 5CG33778XV
productid: 709Z1AV
Thanks in advance...-
Channel: BIOS Requests ONLY!
Today, 05:03 AM -
-
by vpowerHi, I have this laptop, it is completely dead, no charging light when connected to a working charger.
Can anyone help me with some hints for troubleshooting this laptop?
Thanks in advance...Today, 05:28 AM -
by PITERPENYthere is no reaction, it hangs at 20 V/0A. There was a little corrosion in the u7650 area. Replacing the u7000 did not help. Tell me, what else could it be? PPBUS_G3H=12.9V
Flashing the bios with a clean region also did not work!Yesterday, 04:31 PM -
This has happened on three keyboards, so now I am assuming it is something in the machine but I can't track it down. Every time you plug in a logitech wireless keyboard it will immediately switch the "c" and the "v" permanent on these boards. There is no malicious software I can find, the board cannot be reset or put back. The very last one I tried was a MK 235 with the same end result. If you plug in a Microsoft wired comfort curve board, no problem at all. I have tried cleaning the system, deleting all boards from the device manager, updating the Logi software,checking MS...Today, 12:02 PM
-
dont work, only 3 asterics on lcd
It seems like a BIOS problem in the support of the page they have to update from Windows, but this is not even recognized as a device on the computer, I am looking for help I think you can rewrite the NAND memory again but I don't have the accessory
If anyone with a sililar case or experience has something to comment on, it is welcome
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3266527}[/ATTACH]
Unfortunately they provide a *.fls...Today, 11:11 AM -
by niconetorHi! I have a corrumpt bios for this laptop
Model: Toshiba Satellite L50-A-14K
Motherboard: tmt YA-4A1 E114139 Rev 2.1
H000057570
No power, only led charging
This laptop have got two winbond
25q32fvsiq and 25q16dvsig
Thanks for all reply!-
Channel: BIOS Requests ONLY!
Today, 11:10 AM -
-
by grimacelordThis laptop is the same laptop I was working on [URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/3262622-hp-14-dq0055dx-bios-problem-pending-image-being-cleared-loop"]in this thread[/URL] and I wasn't sure if I should post a new topic or post in that thread because I already solved the issue that thread was discussing and this is a completely different issue although it is dealing with the same laptop. I decided to make a new thread since it's a new issue, but please move...
-
Channel: BIOS Requests ONLY!
Today, 08:06 AM -