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Since I cannot successfully boot my computer I decided to do a fresh install of windows 10.
When my pc boots it's actually preparing for repair then diagnosing your pc then a blue screen telling me my pc didn't start correctly.
When I go in advanced options I can click on use a device then EFI USB DEVICE. My computer then restart and a message appears on screen:
System doesn't have any USB boot option. Please select other boot option in Boot Manager Menu..
I click ok then the Boot Option menu appears and I can pick between:
- Window Boot Manager (samsung MZVLW128HEGR) // I believe this is my SSD
- EPI PXE Network
None of those 2 work.
In my Bios Boot panel I have
Boot Mode: UEF1
FAST BOOT: Enabled
USB Boot: Enabled
PXE Boot to LAN: enabled
IPV4 PXE: first Enabled
-- EFI --
Window Boot Manager (samsung MZVLW128HEGR)
EPI PXE Network
I'm unsure what I need to do, I can access the command prompt still, so maybe there is something I could try from there ?
Ced
Posted 2017-11-14T21:20:07.460
Reputation: 109
You need to boot into your BIOS and enable EFI USB boot. – AFH – 2017-11-14T21:50:53.187
@AFH isn't that what's already enabled in the settings I pasted in the question above ? It's the content of the whole boot panel. – Ced – 2017-11-14T22:56:40.977
I have a different BIOS on each motherboard, but the bootable devices are configured outside the boot menu itself. Sometimes a boot device does not appear in the boot menu unless it holds a valid, bootable OS. – AFH – 2017-11-14T23:09:59.327
Like @afh suggested, the boot devices won’t show up unless the USB drive has a valid UEFI bootable partition. How did you make the Windows 10 installation USB? It should’ve been done with this tool
– Appleoddity – 2017-11-14T23:40:41.983Please add your exact computer model or motherboard model for custom built PCs. – jdwolf – 2017-11-15T00:56:45.583
@tool it was made with that tool – Ced – 2017-11-15T08:03:23.023
@jdwolf it's a lenovo y520 – Ced – 2017-11-15T08:04:14.827
Buggy UEFI is always fun. – jdwolf – 2017-11-15T15:30:30.143
@Ced Add your model to the question especially considering this problem is specific to Lenovo. – jdwolf – 2017-11-15T15:35:14.730
Try disabling Fast boot and setting boot priory to USB HDD and cold boot. – jdwolf – 2017-11-15T15:39:33.657