测试的指令：
~$ nvidia-settings
uname -r** Message: PRIME: No offloading required. Abort
** Message: PRIME: is it supported? no
ERROR: nvidia-settings could not find the registry key file. This file should
have been installed along with this driver at
/usr/share/nvidia/nvidia-application-profiles-key-documentation. The
application profiles will continue to work, but values cannot be
prepopulated or validated, and will not be listed in the help text.
Please see the README for possible values and descriptions.
sudo lshw -numeric -class video00:00.0 Host bridge [0600]: Intel Corporation Skylake Host Bridge/DRAM Registers [8086:1910] (rev 07)
Subsystem: Dell Skylake Host Bridge/DRAM Registers [1028:0708]
00:01.0 PCI bridge [0604]: Intel Corporation Skylake PCIe Controller (x16) [8086:1901] (rev 07)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 530 [8086:191b] (rev 06)
DeviceName: Onboard IGD
Subsystem: Dell Skylake Integrated Graphics [1028:0708]
Kernel driver in use: i915_bpo
Kernel modules: i915_bpo
00:04.0 Signal processing controller [1180]: Intel Corporation Skylake Processor Thermal Subsystem [8086:1903] (rev 07)
Subsystem: Dell Skylake Processor Thermal Subsystem [1028:0708]
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device
00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller [8086:a12f] (rev 31)
Subsystem: Dell Sunrise Point-H USB 3.0 xHCI Controller [1028:0708]
Kernel driver in use: xhci_hcd
00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise Point-H Thermal subsystem [8086:a131] (rev 31)
Subsystem: Dell Sunrise Point-H Thermal subsystem [1028:0708]
00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-H CSME HECI #1 [8086:a13a] (rev 31)
Subsystem: Dell Sunrise Point-H CSME HECI [1028:0708]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:17.0 RAID bus controller [0104]: Intel Corporation 82801 Mobile SATA Controller [RAID mode] [8086:282a] (rev 31)
Subsystem: Dell 82801 Mobile SATA Controller [RAID mode] [1028:0708]
Kernel driver in use: ahci
Kernel modules: ahci
00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #1 [8086:a110] (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.4 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #5 [8086:a114] (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.5 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #6 [8086:a115] (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.6 PCI bridge [0604]: Intel Corporation Sunrise Point-H PCI Express Root Port #7 [8086:a116] (rev f1)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point-H LPC Controller [8086:a14e] (rev 31)
Subsystem: Dell Sunrise Point-H LPC Controller [1028:0708]
00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-H PMC [8086:a121] (rev 31)
Subsystem: Dell Sunrise Point-H PMC [1028:0708]
00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-H HD Audio [8086:a170] (rev 31)
Subsystem: Dell Sunrise Point-H HD Audio [1028:0708]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-H SMBus [8086:a123] (rev 31)
Subsystem: Dell Sunrise Point-H SMBus [1028:0708]
Kernel modules: i2c_i801
01:00.0 3D controller [0302]: NVIDIA Corporation GM204M [GeForce GTX 980M] [10de:13d7] (rev a1)
Subsystem: Dell GM204M [GeForce GTX 980M] [1028:0708]
Kernel modules: nvidiafb, nouveau, nvidia_364_drm, nvidia_364
3b:00.0 Ethernet controller [0200]: Qualcomm Atheros Killer E2400 Gigabit Ethernet Controller [1969:e0a1] (rev 10)
Subsystem: Device [0707:2400]
Kernel driver in use: alx
Kernel modules: alx
3c:00.0 Network controller [0280]: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter [168c:003e] (rev 32)
Subsystem: Bigfoot Networks, Inc. QCA6174 802.11ac Wireless Network Adapter [1a56:1535]
Kernel driver in use: ath10k_pci
Kernel modules: ath10k_pci
3d:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01)
Subsystem: Dell RTS5227 PCI Express Card Reader [1028:0708]
Kernel driver in use: rtsx_pci
Kernel modules: rtsx_pci
nvidia-settings --glxinfo | grep "OpenGL version string"*-display UNCLAIMED
description: 3D controller
product: GM204M [GeForce GTX 980M] [10DE:13D7]
vendor: NVIDIA Corporation [10DE]
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:dc000000-dcffffff memory:b0000000-bfffffff memory:c0000000-c1ffffff ioport:e000(size=128) memory:dd000000-dd07ffff
*-display
description: VGA compatible controller
product: HD Graphics 530 [8086:191B]
vendor: Intel Corporation [8086]
physical id: 2
bus info: pci@0000:00:02.0
version: 06
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915_bpo latency=0
resources: irq:126 memory:db000000-dbffffff memory:70000000-7fffffff ioport:f000(size=64)
无任何输出
臆测是卡在这个什么key file.上，搜遍全网没找到碰到相似问题的。。