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Zenbook 14 Windows Update bios update bricked, black screen

julianragan
Star I
System: ZenBook 14 OLED
Battery or AC: Battery and AC
Model: UX3402ZA-KN068W
Frequency of occurrence: Always
Reset OS: No
Screenshot or video: No
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Detailed description:After initial cleanup and windows update installation Bios update was run automatically, I confirmed update, waited for completion and after i got confirmation of success I pressed enter key, laptop went black, and didn't show anything on screen afterwards. I have tried to hard reset it by disconnecting AC and holding power button for 30 - 40 seconds and reconnecting AC and pressing power button, but I still get black screen.
I have also tried to connect external monitor to HDMI, but also had no display output (monitor reported no signal).
Is there a way to run BIOS update from USB stick like on some motherboards? Or do I already have to send it for service?
3 REPLIES 3

julianragan
Star I
Ok, problem solved. Can someone add information before restarting, that black screen for a minute or two after flashing is normal and no reason to panic?

Falcon_ASUS
Moderator
Moderator
julianragan

Ok, problem solved. Can someone add information before restarting, that black screen for a minute or two after flashing is normal and no reason to panic?


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@julianragan
We apologize for any inconvenience caused and your valuable advice will be included in future design and optimization considerations. Thank you. 

ASUS_Bot
Rising Star II
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