装机完成后也提示这个，然后附加驱动无法搜索到驱动。于是卸载原有驱动程序，重启后安装附加驱动，继续提示这个。也尝试过安装官方驱动。均无效，问过度娘求过谷哥，给予的解决方法均不能解决此问题，也翻过好多论坛的帖子。看过大大们给出的解决方法，尝试后均无果，系统倒重装了几次。小弟实在毫无办法，只能出贴往各位大大指点迷津。
sudo nvidia-xconfig执行后分辨率变大，小白我无法恢复，删除配置文件后才得以恢复。
显卡驱动:NVIDIA GT 520M
lsmod结果如下：
Module Size Used by
snd_seq_dummy 12686 0
nls_iso8859_1 12617 1
nls_cp437 12751 1
vfat 17308 1
fat 55605 1 vfat
snd_hda_codec_hdmi 31775 1
snd_hda_codec_realtek 174055 1
rfcomm 38139 0
bnep 17830 2
bluetooth 158438 10 rfcomm,bnep
parport_pc 32114 0
ppdev 12849 0
binfmt_misc 17292 1
joydev 17393 0
nvidia 10962290 0
acer_wmi 23612 0
sparse_keymap 13658 1 acer_wmi
snd_hda_intel 32765 3
snd_hda_codec 109562 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 13276 1 snd_hda_codec
snd_pcm 80845 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi 13132 0
snd_rawmidi 25424 1 snd_seq_midi
snd_seq_midi_event 14475 1 snd_seq_midi
snd_seq 51567 3 snd_seq_dummy,snd_seq_midi,snd_seq_midi_event
psmouse 72919 0
serio_raw 13027 0
uvcvideo 67203 0
videodev 86588 1 uvcvideo
wmi 18744 1 acer_wmi
snd_timer 28931 2 snd_pcm,snd_seq
snd_seq_device 14172 4 snd_seq_dummy,snd_seq_midi,snd_rawmidi,snd_seq
arc4 12473 2
ath9k 117326 0
mac80211 436455 1 ath9k
ath9k_common 13781 1 ath9k
snd 62064 16 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
mac_hid 13077 0
ath9k_hw 391523 2 ath9k,ath9k_common
ath 19387 3 ath9k,ath9k_common,ath9k_hw
i915 414603 2
drm_kms_helper 45466 1 i915
drm 197692 3 i915,drm_kms_helper
cfg80211 178679 3 ath9k,mac80211,ath
soundcore 14635 1 snd
snd_page_alloc 14108 2 snd_hda_intel,snd_pcm
i2c_algo_bit 13199 1 i915
lp 17455 0
video 19068 1 i915
mei 36570 0
parport 40930 3 parport_pc,ppdev,lp
mmc_block 22618 2
tg3 141369 0
sdhci_pci 18324 0
sdhci 28241 1 sdhci_pci
usbhid 41906 0
hid 77367 1 usbhid
