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bckh
Ctrl-Alt-Del
Posts: 5
Registered: ‎02-01-2018
Location: US
Views: 331
Message 1 of 6

Lenovo Y50 | EFI Network Boot Failed

you I’ve had my laptop for well over 5 years now. I’ve never had a problem that caused me to never be able to even boot it up until now. 

I don’t know how it happened. I went to go restart my computer, ya know click the Windows key and then select “restart” from the power options menu - but it wouldn’t let me do it. I clicked restart a couple of times and it just wouldn’t work. So I figured I’d just do a manual shutdown and press the power button. When I went to turn it back on I got a black screen with a blue box saying “EFI Network 0 for IPv4 (F8-A9-63-4E-CC-49) boot failed. 

 

Naturally I immediately googled the issue and tried the following solutions:

• change boot setting to Legacy Support which only resulted in PXE-E61: Media Test Failure, check cable. 

• Disconnected battery, helf power button for 20 seconds. Nothing happened. 

• Open boot/BIOS menu and reset to default settings, disable one setting that had to do with LAN (I cant remember specifically and I don’t feel like digging back through forums to find it) and that didn’t work. 

 

My hard drive is still detected. I don’t know if it matters but my computer has a SSD and a non-SSD. I’m running Windows 8. I don’t know what else to do. Any help would be greatly appreciated. 

 

JDGillis
Bit Torrent
Posts: 2,966
Registered: ‎12-11-2015
Location: US
Views: 290
Message 2 of 6

Re: Lenovo Y50 | EFI Network Boot Failed

It sounds like your boot drive (I presume the SSD) is not being detected, so it is trying to boot from other sources, and errors out when it gets to trying to boot from network or PXE boot. 

 

When you go into the BIOS anad look under the Boot tab, what does it show under EFI   

 

It should say something like Windows Boot Manager followed by a model number of the boot drive, in your case is should be the model of your SSD.      I believe that there is a HDD listing on the Information page in the BIOS, so make sure that both your SSD and HDD show up there along with the optical DVD/CD drive if installed. 

 

If the SSD shows up under the information tab and is listed under the EFI as the drive containing the Windows Boot Manager, then it should boot, but be sure set your Boot Mode back to UEFI instead of Legacy. 

 

If the SSD is not showing up in the BIOS, it may have worked loose, or has gone bad... Hard to tell.

 

 

Best of luck, 

Sr Support Specialist
Posts: 9,089
Registered: ‎11-30-2015
Location: PH
Views: 288
Message 3 of 6

Re: Lenovo Y50 | EFI Network Boot Failed

Hi bckh,

 

Welcome to the Community Forums.

 

Usually it would be better if you back up your files. Others may use bootable rescue image to get your personal files while others remove the boot drive and physically slave it on another computer or use an external drive enclosure.

 

During the process, you would have opportunity to reseat the boot drive on its slot and likewise check if the drive is still readable even if the BIOS detects it.

 

This would allow you to decide if repair is still possible or reinstalling Windows / factory reset / repair install can be a better option.

 

Update us how it goes best for you so we can formulate an action plan.

 

Regards



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bckh
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Posts: 5
Registered: ‎02-01-2018
Location: US
Views: 178
Message 4 of 6

Re: Lenovo Y50 | EFI Network Boot Failed

WIN_20190725_202410 1.JPG
This is what I see. No Windows Boot Manager. Though, on the first page of the BIOS setup my computer lists my SSHD under the "hard disk" section so it knows something's there. 

 

I've heard that this may be because Windows has become corrupted and not because my SSHD.

bckh
Ctrl-Alt-Del
Posts: 5
Registered: ‎02-01-2018
Location: US
Views: 175
Message 5 of 6

Re: Lenovo Y50 | EFI Network Boot Failed

As I can't boot up my system, meaning access Windows, none of those recovery softwares helped me. None of them gave you the option to make a bootable disk/USB, which is what I need. Well one did but it cost more than I'd like to spend on something that may or may not work.

I ordered a SATA to USB cable off of Amazon today. So I'm going to try to retrieve my files that way. If that works then I'm going to try to reinstall Windows via a bootable USB.

Quick question with that though - previously, before any of this happened I was running Windows 8, when trying to reinstall Windows should I try to use 8 or would it be okay to  use 10?

Sr Support Specialist
Posts: 9,089
Registered: ‎11-30-2015
Location: PH
Views: 153
Message 6 of 6

Re: Lenovo Y50 | EFI Network Boot Failed

Hi bckh,

 

Greetings.

 

Installing Win10 may require purchase of a product key (unless you have availed of the free upgrade). The systemboard have embedded Win8 so it automatically activates.

 

Extracting the data should also test the integrity of the drive if still readable.

 

Personally, I usually get the drive out and place it on my desktop to backup and even run hdd diagnostics before proceeding with dirty install (install Windows without deleting data) keeping the old data file on Windows.old folder.

 

Regards

 



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