Startup problem, stuck at EFI screen

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Joeses

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Jun 12, 2010
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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 the 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)
 
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Solution
Someone Somewhere
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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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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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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Moving to another Sata Port worked for me as well. Thank you for sharing!

Bill
 
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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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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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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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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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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.
Click to expand...

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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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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I type 2 times exit it go back to windows.
by the next start up I type exit once then hit del immediately it can go to cmos & u can restore the factory setting again. that it
 
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i'm using pipo w4 16gb rom 1gb ram. I installed fast cache & cache booster ( cache booster need manually put short cut @ start up ) both download from analogx. also download RAM Idle LE. I change some value in cmos now it run very smooth.
I want to install android in the sd card hope can run duo both system.....stay turn..
 
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I had this same problem after installing a new SSD drive. Looks the the boot priorities were changed in the bios. I changed the first boot option from EFI to SSD. Boots fine now.
 
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I solved this by manually resetting the CMOS using a jumper on my motherboard, it was the only thing that worked for me. Anyone can do it, just look for the right pins to put on the jumper in the MB manual. The only thing you need to do is turn your computer on with the jumper in the right place (maybe it will be just a black screen), take it out and turn the PC back on and be happy again. :)

Hope this helps.

Best,

André

 
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I'm also having the same kind of issue. It turns out when I plug in my external USB 3.0 hard drives, I get the error. So every time I restart the computer I need to unplug them and then plug them in in Windows to bypass the error.

After "Press ESC in 1 seconds to skip startup.nsh, any other key to continue." it says
"Invalid file system mapping on hd21a0a0b hd21a0b0b" According to the list, those are my external hard drives.

Any idea how I can get my motherboard to be chill with my external hard drives?

*EDIT*
For anyone out there that can help I'm running:

Intel Core i5 4690
MSI ATX Z97-G45 Gaming
32GB Patriot Viper III
Samsung EVO 850 1TB SSD
Seagate 3TB HDD ST3000DM001
EVGA GTX Titan X
Corsair RM Series 1000 Watt 80+ PSU'

The two external USB 3.0 drives are:
WD 1TB Elements (WDBUZG0010BBK-NESN)
WD My Book Essential 3TB USB 3.0



 
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I had the same problem,
you have to go to the BIOS(by typing exit in the shell or f2 when powering on the PC), then in the BIOS you have to go to boot manager menu and finally to P1-INTEL SSDS-
 
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Im having this same problem on a new Z97s MSI board and an i5 Devils Canyon chip. Im labout to get up and today, im gonna cut the MSI Fast Boot. I dont remember, really, seeing a place to set for "setup" or a prime order in the BIOS. What did you figure out? Did yours get running? I was thinking I needed a patch Ive heard about, but I think that goes for Z87 and a Devils Canyon chip. I have that i7-3770K chip on another machine with an Asrock board. It is a good chip, espescially with intensive use. However, Win 8.1 Pro did load on this Devils Canyon, and it seems quite a bit quicker to me. I know theyre just almost even on paper.
Let me know how you get rid of the power shell screen. Thanks and Good Luck
 
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