Your OptiPlex 9020 isn't starting from the 860 EVO after switching the drive to GPT and booting in UEFI.

F5F Stay Refreshed Hardware Desktop Your OptiPlex 9020 isn't starting from the 860 EVO after switching the drive to GPT and booting in UEFI.

hatttyyy
Junior Member

09-20-2016, 11:09 AM

You experienced only one successful boot while other attempts displayed the same non-bootable message. Despite having a WD My Passport USB drive that worked, it also used UEFI. Possible reasons could include hardware issues, incorrect BIOS settings, or a faulty drive.

hatttyyy

09-20-2016, 11:09 AM #1

JTpuck
Junior Member

09-27-2016, 02:17 AM

You asked about the installation path—whether Windows was set up in UEFI mode initially or if a switch occurred later from legacy to UEFI.

JTpuck

09-27-2016, 02:17 AM #2

You asked about the installation path—whether Windows was set up in UEFI mode initially or if a switch occurred later from legacy to UEFI.

Xytrixz
Senior Member

552

09-27-2016, 12:32 PM

Set up new windows after installing the OS, then switch to UEFI settings.

Xytrixz

09-27-2016, 12:32 PM #3

Set up new windows after installing the OS, then switch to UEFI settings.

CaptinHam1
Junior Member

09-27-2016, 06:45 PM

You need to reinstall Windows. Your disk remains in legacy mode and it seems you can't boot from UEFI.

CaptinHam1

09-27-2016, 06:45 PM #4

You need to reinstall Windows. Your disk remains in legacy mode and it seems you can't boot from UEFI.

Ystose78
Member

102

09-29-2016, 07:30 PM

Choose between wiping the disk for a fresh start or retaining your data.

Ystose78

09-29-2016, 07:30 PM #5

Choose between wiping the disk for a fresh start or retaining your data.

AmazinglyCool
Senior Member

695

10-13-2016, 03:47 AM

Existing installations allow reverting to legacy mode. For files requiring UEFI, switch back to legacy, create a backup, then upgrade to UEFI and perform a fresh installation.

AmazinglyCool

10-13-2016, 03:47 AM #6

Existing installations allow reverting to legacy mode. For files requiring UEFI, switch back to legacy, create a backup, then upgrade to UEFI and perform a fresh installation.

zombietony
Member

10-30-2016, 09:21 PM

I utilized Macrium Reflect, so the files are already saved on the WD Passport. I’ll simply transfer them to the 860 EVO after reinstalling.

zombietony

10-30-2016, 09:21 PM #7

I utilized Macrium Reflect, so the files are already saved on the WD Passport. I’ll simply transfer them to the 860 EVO after reinstalling.

deadly_cute
Member

10-31-2016, 07:32 PM

You probably don’t need to worry about moving files manually once it’s installed. Just paste the files into the right places after setup.

deadly_cute

10-31-2016, 07:32 PM #8

You probably don’t need to worry about moving files manually once it’s installed. Just paste the files into the right places after setup.

miguel80
Member

11-05-2016, 10:04 PM

Additionally, includes Windows support.

miguel80

11-05-2016, 10:04 PM #9

Additionally, includes Windows support.