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Can't boot to usb

Joefo

New Member
Hi I added a second monitor to my U300 and had flickering issues. Was instructed to go into Safe Mode and delete graphics drivers. Unfortunately when I set up the computer I set up an admin password that I can't remember. Soon after setting up I transitioned to using my Microsoft password. Without my admin password I'm unable to log in or perform any troubleshooting of my windows installation. Including resetting back to original. BTW, I'm stuck in boot to Safe Mode without network drivers. In an attempt to reset password by booting to usb utility or even reinstalling windows the bios will not allow me to boot to anything else but the hard drive. I've disabled all other boot options. The system just keeps returning to bios settings. Help!
 

Boker

Administrator
Staff member
Hi I added a second monitor to my U300 and had flickering issues. Was instructed to go into Safe Mode and delete graphics drivers. Unfortunately when I set up the computer I set up an admin password that I can't remember. Soon after setting up I transitioned to using my Microsoft password. Without my admin password I'm unable to log in or perform any troubleshooting of my windows installation. Including resetting back to original. BTW, I'm stuck in boot to Safe Mode without network drivers. In an attempt to reset password by booting to usb utility or even reinstalling windows the bios will not allow me to boot to anything else but the hard drive. I've disabled all other boot options. The system just keeps returning to bios settings. Help!
Hi Joefo,
Can you delete the graphics driver with a single monitor first? Or change the administrator password?
 

Joefo

New Member
No I'm unable to change the administrator password because windows 10 does not have a forgot password option in recovery mode. That is a shame indeed. My unit is stuck in boot to safe mode without networking because I don't have the administrator password. It won't even allow me to reset windows without that password. So I'm trying to go into windows through a backend utility but my unit won't allow me to boot to usb. I can't even reinstall windows because it won't boot to usb. Plus I don't have a windows pro installation iso or authentication code.
 

Boker

Administrator
Staff member
No I'm unable to change the administrator password because windows 10 does not have a forgot password option in recovery mode. That is a shame indeed. My unit is stuck in boot to safe mode without networking because I don't have the administrator password. It won't even allow me to reset windows without that password. So I'm trying to go into windows through a backend utility but my unit won't allow me to boot to usb. I can't even reinstall windows because it won't boot to usb. Plus I don't have a windows pro installation iso or authentication code.
Is your usb UEFI mode?
 

Joefo

New Member
Yes it was UEFI enabled. I created a windows recovery usb and it booted successfully and enabled me to get in to access the command prompt. Not sure why the previous attempts So all is well. Thanks for your help! However, now that I am back up I'm still having the same problem of flickering when I connect my second monitor.
 

Boker

Administrator
Staff member
I removed the graphics display adapter but that didn't make a difference. I've uploaded the setting of each display for you to see.
Is it a problem with the display cable? You can try to replace the monitor cable.
 

DonniLiem

New Member
Hi...i had the same question and come across the below points as a solution.
Your USB stick might not be the drive the BIOS is trying to boot from. As suggested before you can:
a) change boot order in BIOS, or
b) manually choose the device to boot from in BIOS.

smt assembly
 
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