EFI Shell Cannot Find Map Name

TLayed

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Mar 16, 2016
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After a clean install I was re-downloading everything back onto my PC when Windows crashes and a black screen pops up with the writing "EFI Shell Cannot Find Map Name"

Picture of the error: http://imgur.com/fkI3Eig

Im able to boot into Windows it's just that after about anywhere from 15 minutes - 1 hour everything crashes to this screen.

I've check and the HDD "appears" to be plugged in so I dont see that being the problem.

Any help is greatly appriciated :)
 


Ok so I've been running it for about 2 hours and in the second pass test 13 is really long. Is it supposed to be like that? I'd only imagine it would get even slower for the 3rd and 4th pass right?

Progress: https://imgur.com/gallery/Jfs0X
 


Results: https://imgur.com/gallery/ExNKW

I skipped the last 5 tests on the last pass because it was taking forever and I wanted to go to bed. I didn't wanna leave my computer on all night. Hopefully it didn't affect it to much.
 


If your talking about specs they are as listed:

Mobo: MSI 990FXA Gaming Motherboard
PSU: FirePower Fatal1ty 750W
GPU: MSI Radeon R9 380
CPU AMD FX 9370
RAM: 8GB DDR3 1600 (not sure what brand but I know it's high quality)
Corsair Water Cooler
 
Try switching the RAM dimms(in what config are they? one stick? two sticks?) around and running memtest again.
If that alone doesn't help, take a look at the selected answer in this thread abbout overvolting your memory and NB: http://www.tomshardware.co.uk/answers/id-3235575/990fxa-ud3-memory-problem.html

If none f the above helps, test your system with a different PSU, as that one is really poor quality.(Btw, you should be replacing that regardless, especially since you own a demanding system)
 


Everything worked fine for the 7 months that I had owned the system until this happend.

http://www.tomshardware.com/answers/id-3229576/required-device-connected-accessed-windows.html

I had to re install windows and I thought I had fixed everything until I started getting this Cannot find map name stuff. I believe when I did the hard reset I corrupted something in the windows OS and thats why it didn't boot. Possibly could have led to hardware problems from the hard reset while my PC was taking forever to load? I dont know.

I switched the config of the RAM around and ran it again. Had the same errors if not even more. I increased the voltage for the stuff you gave me me the link too and I'm running memtest once again. I'm currently on test 13 of the last pass with only 2 errors which I believe is an improvement. We'll see what happends
 


Ok I'll try some stuff out. I just don't understand how all these problems occurred out of nowhere after I clean installed windows. I didn't have to do any of these things when everything was working.

 
You are absolutely rigt that this is peculiar(in that such issues shouldn't arrise out of the blue or after a win install), which leads me to think of the basics. Have you installed the latest chipset drivers from AMD? They won't fix your RAM issues, but they might make WIn more stable.
 


Since I've re installed windows I haven't really installed any drivers but the one for my network adapter. I looked up chipset drivers for my motherboard but couldn't find any. I think they have been installed in the past. Would I have to re install them since I did a clean install of windows?

 


Yes, definitely. "AMD Chipset Drivers" from here: http://support.amd.com/en-us/download/chipset?os=Windows+10+-+64
 


Sorry for the late response I just haven't been in the mood for fixing my PC as of late.

So I'm planning on taking my PC to frys where I got the parts and since I have a warranty on the PC i'll see if they can fix it.

If I fucked up the warranty because I did a clean install of windows where should I go from here? I assume buy new RAM?

 


Reinstalling windows has in no way affected your warranty.