lsmod当我在终端运行命令时结果如下：
spnaik@spnaik-Vostro-2520:~$ lsmod
Module Size Used by
ppp_deflate 12806 0
bsd_comp 12785 0
ppp_async 17205 1
crc_ccitt 12627 1 ppp_async
nls_utf8 12493 1
isofs 39203 1
option 33967 2
huawei_cdc_ncm 12846 0
cdc_wdm 18509 1 huawei_cdc_ncm
cdc_ncm 19695 1 huawei_cdc_ncm
usb_wwan 19733 1 option
usbserial 38902 7 option,usb_wwan
usbnet 37865 2 huawei_cdc_ncm,cdc_ncm
nvram 14027 0
rfcomm 53664 0
bnep 18895 2
bluetooth 342263 10 bnep,rfcomm
uvcvideo 71309 0
videobuf2_vmalloc 13048 1 uvcvideo
videobuf2_memops 13170 1 videobuf2_vmalloc
videobuf2_core 39258 1 uvcvideo
videodev 108503 2 uvcvideo,videobuf2_core
dell_wmi 12665 0
sparse_keymap 13708 1 dell_wmi
snd_hda_codec_hdmi 45303 1
snd_hda_codec_cirrus 14287 1
snd_hda_intel 42730 3
snd_hda_codec 164067 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_cirrus
snd_hwdep 13272 1 snd_hda_codec
snd_pcm 85501 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
dell_laptop 17808 0
snd_page_alloc 14230 2 snd_pcm,snd_hda_intel
dcdbas 14448 1 dell_laptop
snd_seq_midi 13132 0
snd_seq_midi_event 14475 1 snd_seq_midi
snd_rawmidi 25135 1 snd_seq_midi
i915 705396 4
snd_seq 55383 2 snd_seq_midi_event,snd_seq_midi
drm_kms_helper 46907 1 i915
intel_rapl 18301 0
x86_pkg_temp_thermal 13845 0
snd_seq_device 14137 3 snd_seq,snd_rawmidi,snd_seq_midi
intel_powerclamp 14239 0
coretemp 13195 0
snd_timer 28584 2 snd_pcm,snd_seq
crc32_pclmul 12967 0
drm 243792 5 i915,drm_kms_helper
lib80211_crypt_tkip 17456 0
snd 60871 17 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_hda_codec_cirrus,snd_seq_midi
wl 3999690 0
joydev 17101 0
mei_me 14099 0
serio_raw 13230 0
lpc_ich 16864 0
lib80211 14040 2 wl,lib80211_crypt_tkip
mei 66735 1 mei_me
cfg80211 409394 1 wl
soundcore 12600 1 snd
i2c_algo_bit 13197 1 i915
wmi 18673 1 dell_wmi
parport_pc 31981 0
ppdev 17391 0
lp 13299 0
parport 40836 3 lp,ppdev,parport_pc
video 18903 1 i915
mac_hid 13037 0
ums_realtek 17733 0
usb_storage 48417 2 ums_realtek
hid_generic 12492 0
usbhid 46997 0
hid 87604 2 hid_generic,usbhid
ahci 25579 2
libahci 26754 1 ahci
psmouse 91033 0
r8169 61562 0
mii 13654 2 r8169,usbnet
spnaik@spnaik-Vostro-2520:~$
答案1
根据您问题的形式，我很难确定直接原因，但是，驱动程序问题将是最简单、最直接的方法。请按照此链接中的说明更新您的驱动程序，然后使用更多详细信息（操作系统版本、问题的清晰描述等）编辑您的问题。： http://www.ehow.com/how_5976269_update-drivers-ubuntu.html
如果上面的链接对您没有帮助，请查看以下链接： https://wiki.archlinux.org/index.php/bluetooth
特别是有关配置蓝牙设置的部分。