在Ubuntu 12.10中未检测到USB设备

我安装了Ubuntu12.10。但我的USB端口都没有检测到任何USB设备。但在Windows操作系统中检测到相同的USB。如何在我的Ubuntu系统中检测USB设备？

产量lspci：

00:00.0 Host bridge: Intel Corporation ValleyView SSA-CUnit (rev 0e)
00:02.0 VGA compatible controller: Intel Corporation ValleyView Gen7 (rev 0e)
00:13.0 SATA controller: Intel Corporation ValleyView 6-Port SATA AHCI Controller (rev 0e)
00:1a.0 Encryption controller: Intel Corporation ValleyView SEC (rev 0e)
00:1b.0 Audio device: Intel Corporation ValleyView High Definition Audio Controller (rev 0e)
00:1c.0 PCI bridge: Intel Corporation ValleyView PCI Express Root Port (rev 0e)
00:1c.1 PCI bridge: Intel Corporation ValleyView PCI Express Root Port (rev 0e)
00:1c.3 PCI bridge: Intel Corporation ValleyView PCI Express Root Port (rev 0e)
00:1d.0 USB controller: Intel Corporation ValleyView USB Enhanced Host Controller (rev 0e)
00:1f.0 ISA bridge: Intel Corporation ValleyView Power Control Unit (rev 0e)
00:1f.3 SMBus: Intel Corporation ValleyView SMBus Controller (rev 0e)
02:00.0 Network controller: Atheros Communications Inc. AR9565 Wireless Network Adapter (rev 01)
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5286 (rev 01)
03:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 06)

O / p lsusb： Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

O / p lsmod：

Module                  Size  Used by
usb_storage            39350  0 
i915                  457161  0 
drm_kms_helper         45271  1 i915
drm                   230463  2 i915,drm_kms_helper
i2c_algo_bit           13197  1 i915
bnep                   17707  2 
rfcomm                 37276  0 
parport_pc             31968  0 
ppdev                  12817  0 
bluetooth             183228  10 bnep,rfcomm
snd_hda_codec_realtek    63356  1 
snd_hda_intel          32515  3 
snd_hda_codec         111547  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep              13272  1 snd_hda_codec
snd_pcm                80163  2 snd_hda_intel,snd_hda_codec
snd_seq_midi           13132  0 
snd_rawmidi            25382  1 snd_seq_midi
snd_seq_midi_event     14475  1 snd_seq_midi
asus_nb_wmi            12622  0 
coretemp               13168  0 
snd_seq                51255  2 snd_seq_midi,snd_seq_midi_event
asus_wmi               19320  1 asus_nb_wmi
sparse_keymap          13658  1 asus_wmi
snd_timer              24411  2 snd_pcm,snd_seq
kvm_intel             126745  0 
snd_seq_device         14137  3 snd_seq_midi,snd_rawmidi,snd_seq
psmouse                84843  0 
kvm                   357806  1 kvm_intel
serio_raw              13031  0 
mac_hid                13037  0 
microcode              18209  0 
snd                    61991  15 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
wmi                    18590  1 asus_wmi
soundcore              14599  1 snd
snd_page_alloc         14036  2 snd_hda_intel,snd_pcm
video                  18847  1 i915
lp                     13299  0 
parport                40753  3 parport_pc,ppdev,lp
r8169                  55976  0

我的闪存盘是8GB USB闪存盘。

非常棘手的情况。也许它的USB闪存驱动器只能在windows上运行。你没有提到你的usb闪存驱动器品牌的名称。有些属于某些品牌的usb闪存驱动器就是这样的。