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Startup problem, stuck at EFI screen

Last response: in Systems
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October 10, 2012 1:21:13 PM

Hello,

So I recently put a new computer together that has been doing well the last month or so, until now. When I booted it up this morning everything seemed to be going fine, it went past the initial screen, then past the motherboard screen but after that I get stuck on something talking about my EFI shell version 2.3 or something along those lines.

The top of screen says "EFI Shell version 2.31 [4.651] - Current running mode 1.1.2" followed below by "Device mapping table" which includes what seems to be a bunch of hard disks that it calls fs0, fs1, fs2... and blk0, blk1, blk2...

Finally, the last line says "Press ESC in 1 seconds to skip startup.nsh, or any other key to continue". Nothing happens when I try pressing ESC or any other key though, and I can give commands by typing where "Shell>" is (it's below the "last" line). For example, if I type exit and press enter, I will enter BIOS.

I don't know how to get past this screen and I can't remember doing anything in particular lately that could have caused this problem. Please help.


Thanks,

Joe


Here are my specs:
I7 3770K
GTX 670
MSI Z77
Corsair TX 650W
8gigs of 1600~ MHz ram
Western Digital Green 1TB (for programs and most games)
Corsair SSD 120GB (with OS on, along with a few games and programs)




October 11, 2012 5:31:14 AM

Bump
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Best solution

a c 87 B Homebuilt system
October 11, 2012 8:12:01 AM

Bumping is against forum rules, but I would suggest going into the BIOS and selecting "Reset to Optimized Defaults" or whatever your particular MB has. Could be "Factory Default Settings".
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October 11, 2012 3:37:25 PM

Alright, sorry about that. I thought bumping would be better than starting a new identical thread.

Also, I've tried restoring defaults but with no success.

Thanks anyways!
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October 11, 2012 6:22:41 PM

Just fixed it. I just moved my 1tb hard drive to a different sata port (same speed). The computer then started up like normal.
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October 11, 2012 6:23:03 PM

Best answer selected by Joeses.
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April 13, 2013 5:30:16 AM

Hello.
I've been having this same problem, except after being able to boot a few times by changing USB ports that method seems to no longer work for me. Now I am completely stuck at the EFI Shell screen.
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June 19, 2013 8:19:03 AM

Joeses said:
Just fixed it. I just moved my 1tb hard drive to a different sata port (same speed). The computer then started up like normal.


Moving to another Sata Port worked for me as well. Thank you for sharing!

Bill
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September 5, 2013 1:11:29 AM

I also fixed the problem by switching SATA ports. I don't understand how this works and am concerned that it might not be a permanent solution. However we have lift-off.
Mobo: MSI FM2-A75MA-P33
OS: Windows 7 new install
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September 5, 2013 4:49:14 AM

Go To BIOS Setup .Go to Advanced.enter ME Config . {Intel (r) me : Disabled }and {Intel (r) AT : Enable}
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November 5, 2013 10:13:16 PM

I'm sorry to bump this.. but I just ran into this problem by turning the windows 8 features on. Then it told me that my graphics card didn't support it and gave me 2 options. I chose to run the setup to disable it. When I rebooted, this EFI Shell thing appeared. But it doesn't seem to show any hard drives, nor can I input any text (My keyboard backlight didn't even turn on). Switching my sata port doesn't seem to work. I'm running of the backup BIOS atm.
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November 9, 2013 12:56:04 PM

Hi, I have the exact same issue as Zonesix, find a solution?
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November 10, 2013 8:23:36 AM

I have the exact same issue since this morning.. anyone have any clue..?
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December 9, 2013 6:35:46 PM

ZoneSix said:
I'm sorry to bump this.. but I just ran into this problem by turning the windows 8 features on. Then it told me that my graphics card didn't support it and gave me 2 options. I chose to run the setup to disable it. When I rebooted, this EFI Shell thing appeared. But it doesn't seem to show any hard drives, nor can I input any text (My keyboard backlight didn't even turn on). Switching my sata port doesn't seem to work. I'm running of the backup BIOS atm.


I'm having this EXACT problem right this second, everything going perfect until I enable "WIndows 8 features" (or something like that) in the bios (MSI Mobo) now I can't even access the bios, I'm on the backup, any help greatly appreciated!!!
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December 10, 2013 1:43:59 AM

This is most likely a problem with the mother board. Damage from the factory or from an electrostatic discharge when it was assembled.
Test all other components of your computer on another motherboard. If it still doesn't boot up properly, you can probably get a new one from the manufacturer, if it's still under warranty.
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December 24, 2013 7:21:57 PM

Quote:
I'm sorry to bump this.. but I just ran into this problem by turning the windows 8 features on. Then it told me that my graphics card didn't support it and gave me 2 options. I chose to run the setup to disable it. When I rebooted, this EFI Shell thing appeared. But it doesn't seem to show any hard drives, nor can I input any text (My keyboard backlight didn't even turn on). Switching my sata port doesn't seem to work. I'm running of the backup BIOS atm.


I've try this, I;m getting stuck in EFI screen too after activating windows 8 feature, and I'm using Msi Z77 M Power.. I try to activate it again n then when graphic card didn't support message appear again, i choose the deafult setting option.. it will back too BIOS menu and then save the configuration and quit it.. I can boot my windows 8 again
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January 6, 2014 9:15:03 AM

I cleared the CMOS using the manual's instructions so the motherboard would go back to default BIOS. This allowed me to access the BIOS.
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June 19, 2014 8:10:08 AM

Depending on the reason why you're at the shell, you can try typing "exit" to pass the shell and go to Windows. I think this can happen when you set up certain UEFI boot options and then move your hard drives around afterwards. The motherboard loses track of where it's supposed to boot from.
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