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如何更改解析度（使用 Bumblebee）？

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如何更改解析度（使用 Bumblebee）？

我需要更改筆記型電腦上的分辨率，不幸的是，xrandr 只顯示類似的內容。通過 nvidia-settings 不起作用。

xrandr -q
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1366 x 768, current 1368 x 768, maximum 1368 x 768
default connected primary 1368x768+0+0 0mm x 0mm
1366x768 0.0
1368x768 0.0* 

sudo lshw -c display
*-display UNCLAIMED
description: VGA compatible controller
product: 3rd Gen Core processor Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller cap_list
configuration: latency=0
resources: memory:d3000000-d33fffff memory:e0000000-efffffff ioport:4000(size=64)

如何更改解析度？

Ubuntu 13.10 Lenovo g500s Intel Pentium 2020M 2.4 GHz Intel HD Graphics (Ivy Bridge), 350-1100 MHz, 9.17.10.2963 + NVIDIA® GeForce GT720 M 4096 MB. ,田納西州,

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