今天把过去欠下的问题又拣起来了，还是老问题(当初vickycq的指导没有彻底明白)：nvidia显卡驱动。
$ sudo nvidia-detect
No NVIDIA GPU detected.
显示没有查出显卡型号。
$ sudo lshw -numeric -class video
*-display
description: 3D controller
product: GF117M [GeForce 610M/710M/810M/820M / GT 620M/625M/630M/720M] [10DE:1140]
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: driver=nouveau latency=0
resources: irq:32 memory:f2000000-f2ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:5000(size=128)
*-display
description: VGA compatible controller
product: 3rd Gen Core processor Graphics Controller [8086:166]
vendor: Intel Corporation [8086]
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:31 memory:f3000000-f33fffff memory:d0000000-dfffffff ioport:6000(size=64) memory:c0000-dffff
请教如何安装上nvidia的趋动。