Start to use
3.
HP f9
USB
UEFI Enter ()
4.
5.
Troubleshoot (
)
6.
Refresh your PC (
)
7.
Windows (
)
Windows
http://www.hp.com/support
:
Windows
Windows:
:
1.
2.
Windows
3.
4.
Windows
:
1.
Windows
Driver Recovery (
)
2.
Windows
21