- Local time
- 6:04 AM
- Posts
- 3,637
- Location
- San Francisco, California USA
- OS
- WindowsXP/7/8/8.1/10/11,Linux,Android,FreeBSD Unix
I have tried it and it fixed my problem with secure boot many times as mentioned here:EaseUS Partition Master includes both, but I haven't tried it yet.
How to fix this - Operating System Loader failed signature verification
Yesterday, I rebooted my system as soon as it got to the lock screen on my Dell XPS 15 9570 notebook and the system kept booting Dell SupportAssist instead of Windows 11 which was showing "Operating System Loader failed signature verification" as seen below: The only way I can boot into...
www.elevenforum.com
My Computer
System One
-
- OS
- WindowsXP/7/8/8.1/10/11,Linux,Android,FreeBSD Unix
- Computer type
- Laptop
- Manufacturer/Model
- Dell XPS 15 9570
- CPU
- Intel® Core™ i7-8750H 8th Gen 2.2Ghz up to 4.1Ghz
- Motherboard
- Dell XPS 15 9570
- Memory
- 64GB using 2x32GB CL16 Mushkin redLine modules
- Graphics Card(s)
- Intel UHD 630 & NVIDIA GeForce GTX 1050 Ti with 4GB DDR5
- Sound Card
- Realtek ALC3266-CG
- Monitor(s) Displays
- 15.6" 4K Touch UltraHD 3840x2160 made by Sharp
- Screen Resolution
- 3840x2160 4K UltraHD
- Hard Drives
- Samsung MZ-V9P4T0B/AM 990 PRO 4TB PCIe®4.0 NVMe™ M.2 SSD was Toshiba KXG60ZNV1T02 NVMe 1TB SSD
- PSU
- Dell XPS 15 9570
- Case
- Dell XPS 15 9570
- Cooling
- Stock
- Keyboard
- Stock
- Mouse
- SwitftPoint ProPoint
- Internet Speed
- Comcast/XFinity 1.44Gbps/42.5Mbps
- Browser
- Microsoft EDGE (Chromium based) & Google Chrome
- Antivirus
- Windows Defender that came with Windows




