Asus laptop no diply
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Re: X406ua bios NO DISPLY
No displayComment
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Re: Asus x406ua no display help
Hello
I need help
power on OK
CPU heat normal
black screen
Original bios and serial number attached
Thank you in advance~
Original biosAttached FilesComment
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Re: Asus x406ua no display help
Read the rules before posting:
RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*
https://www.badcaps.net/forum/showthread.php?t=103570
Thread merged.You MUST:
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- Post under a related thread if it exists
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Hello, this Bios does not recognize any M2 disk.
Can you repair this?
ThanksComment
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RULES UPDATE for BIOS requests/offers AVOID BANNING, READ BEFORE POSTING
https://www.badcaps.net/forum/troubl...before-posting
You MUST:- Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
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Sorry.
This Bios does not recognize any M2 disk.
Can you repair this?
Model S406u
S/N: J4N0CV01W046146
Board:x406UA
ThanksComment
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Thanks for the work.
But it still does not detect the m2 disks.
There is no schematic for this board model, but I have taken the one for the x407ua that looks similar in terms of SSD and I don't see anything strange electronically. Are there any signs I should especially look out for? On other occasions this failure has been due to a Bios issue, but I have tried several and I have not been able to get it to recognize it.Comment
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hello, I attach photos of the motherboard and the m2 portComment
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Hello,
I have tried 3 different discs
ThanksComment
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No display. MB X406UA BOARD REV. 2.0.
Help, please.Comment
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Please Type the laptop serial number
read the updated forum rules..https://www.badcaps.net/forum/troubl...ore-postingComment
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laptop serial number unfortunately invisible :-(Comment
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hello.
laptop power on but no video, i dont know for sure if is bios issue .
please fix the dump bios if is damage.
thank you in advance.
ASUS model S406U
ID: PPD-QCNFA425
IC: 4104A-QCNFA425
mb: X406UA REV 2.2Comment
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Hello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
07-24-2025, 02:17 PM -
With ASUS, not everything is quite so simple. I will show you my way. It may be longer or harder but it is the right way to do it in my humble opinion.
For example, you can have 3 similar ASUS motherboards, all being the same model, all of which will have different BIOS versions.
I will give you an example and my version of preparing BIOS from ASUS website and in the process I am always cleaning Intel ME while doing it so you have fully cleaned BIOS, no DMI data, no password, nothing.
This is the picture of 3 similar ASUS motherboards, all of them being X555LD... -
Hello,
I have spent the last hour on this and I guess this is just over my head, so here I am.
I have an ASUS TUF GAMING Z790-PLUS WIFI motherboard here that needs to have the BIOS updated in order to accept the latest CPUs.
The BIOS chips seem to come as a set of two: GD25B64ESIG and GD25B128ESIG. My guess is one of them is a fail-safe for the main BIOS? I really don't know. Or one of them is ME and other is BIOS? I don't know.
Anyway, I took dumps of both chips and then downloaded the latest update for this motherboard from ASUS's website... -
Hi, my laptop wont boot at all
With original bios no POST, only LED lights
With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
Some issues
A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
B- If updated from 500LN version 203 to 300, the battery stops being recognized
Things I tried
1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble... -
Hello there,
I have a SF314-41 motherboard that i bought impulsively recently, the problem is that i only bought the motherboard only, nothing else. When i tried powering on the board with 19V (soldered on the DC IN port), and then shorting the pin 1-2 of the keyboard, the board is turning on (as indicated by the fan), however it seems like the board is displaying on the internal display as connecting to a display on the HDMI (external) does not display anything.
I tried connecting a USB keyboard, the keyboard is powered on, however pressing numlock do nothing (supposed to toggle...
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