我的台式机原来安装的win10系统,跑起来嗖嗖的,硬件没有什么问题,自从使用Ｕ盘安装了Ubuntu14.04之后，进入Ubuntu就会出现各种各样的死机情况,写代码会卡,打字会卡,上个网也能卡。电脑卡的时候任何设备都不能使用,也不能ctrl+alt+F1跳转到tty。请问我要如何解决?是显卡驱动的事么？网上给了一些答案但是太不靠谱了。这个是我最近一次死机的日志,是按alt+table键的时候死机的,当时电脑只开了sublimetext编辑器和chrome(chrome里也没有视频和flash)。

打开　/var/log/syslog

Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.173691] usb 3-11: new high-speed USB device number 6 using xhci_hcd Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192678] usb 3-11: New USB device found, idVendor=0930, idProduct=6544 Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192687] usb 3-11: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192692] usb 3-11: Product: DataTraveler 2.0 Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192695] usb 3-11: Manufacturer: Kingston Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192699] usb 3-11: SerialNumber: 50E549C2020CCE50698E45C2 Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192928] usb 3-11: ep 0x81 - rounding interval to 128 microframes, ep desc says 255 microframes Feb 21 18:06:50 hjy-B85-HD3 kernel: [ 3357.192943] usb 3-11: ep 0x2 - rounding interval to 128 microframes, ep desc says 255 microframes Feb 21 18:06:50 hjy-B85-HD3 mtp-probe: checking bus 3, device 6: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-11" Feb 21 18:06:50 hjy-B85-HD3 mtp-probe: bus: 3, device: 6 was not an MTP device Feb 21 18:06:51 hjy-B85-HD3 kernel: [ 3357.334838] usb-storage 3-11:1.0: USB Mass Storage device detected Feb 21 18:06:51 hjy-B85-HD3 kernel: [ 3357.334882] scsi6 : usb-storage 3-11:1.0 Feb 21 18:06:51 hjy-B85-HD3 kernel: [ 3357.334964] usbcore: registered new interface driver usb-storage Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.348334] scsi 6:0:0:0: Direct-Access Kingston DataTraveler 2.0 1.00 PQ: 0 ANSI: 4 Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.349125] sd 6:0:0:0: Attached scsi generic sg1 type 0 Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.349666] sd 6:0:0:0: [sdb] 15148608 512-byte logical blocks: (7.75 GB/7.22 GiB) Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.350143] sd 6:0:0:0: [sdb] Write Protect is off Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.350155] sd 6:0:0:0: [sdb] Mode Sense: 45 00 00 00 Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.350431] sd 6:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.354763] sdb: sdb4 Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.355623] sd 6:0:0:0: [sdb] Attached SCSI removable disk Feb 21 18:06:52 hjy-B85-HD3 kernel: [ 3358.766721] FAT-fs (sdb4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. Feb 21 18:06:52 hjy-B85-HD3 udisksd[2203]: Mounted /dev/sdb4 at /media/hjy/IR1_CENA_X6 on behalf of uid 1000 Feb 21 18:06:54 hjy-B85-HD3 colord: device removed: xrandr-Dell Inc.-DELL U2414H-4CWX754LAAPL

这个是我的硬件信息。

H/W path Device Class Description ==================================================== system B85-HD3 (To be filled by O.E.M.) /0 bus B85-HD3 /0/0 memory 64KiB BIOS /0/4 memory 128KiB L1 cache /0/5 memory 512KiB L2 cache /0/6 memory 3MiB L3 cache /0/7 memory 8GiB System Memory /0/7/0 memory 8GiB DIMM DDR3 Synchronous 1333 MHz (0.8 ns) /0/7/1 memory DIMMProject-Id-Version: lshwReport-Msgid-Bugs-To: FULL NAME POT-Creation-Date: 2009-10-08 14:02+0200PO-Revision-Date: 20 /0/7/2 memory DIMMProject-Id-Version: lshwReport-Msgid-Bugs-To: FULL NAME POT-Creation-Date: 2009-10-08 14:02+0200PO-Revision-Date: 20 /0/7/3 memory DIMMProject-Id-Version: lshwReport-Msgid-Bugs-To: FULL NAME POT-Creation-Date: 2009-10-08 14:02+0200PO-Revision-Date: 20 /0/41 processor Intel(R) Core(TM) i3-4150 CPU @ 3.50GHz /0/100 bridge 4th Gen Core Processor DRAM Controller /0/100/1 bridge Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller /0/100/1/0 display GK107 [GeForce GTX 650] /0/100/1/0.1 multimedia GK107 HDMI Audio Controller /0/100/2 display Intel Corporation /0/100/3 multimedia Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller /0/100/14 bus 8 Series/C220 Series Chipset Family USB xHCI /0/100/16 communication 8 Series/C220 Series Chipset Family MEI Controller #1 /0/100/1a bus 8 Series/C220 Series Chipset Family USB EHCI #2 /0/100/1b multimedia 8 Series/C220 Series Chipset High Definition Audio Controller /0/100/1c bridge 8 Series/C220 Series Chipset Family PCI Express Root Port #1 /0/100/1c.2 bridge 8 Series/C220 Series Chipset Family PCI Express Root Port #3 /0/100/1c.2/0 eth0 network RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller /0/100/1c.3 bridge 8 Series/C220 Series Chipset Family PCI Express Root Port #4 /0/100/1c.3/0 bridge 82801 PCI Bridge /0/100/1d bus 8 Series/C220 Series Chipset Family USB EHCI #1 /0/100/1f bridge B85 Express LPC Controller /0/100/1f.2 storage 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] /0/100/1f.3 bus 8 Series/C220 Series Chipset Family SMBus Controller /0/1 scsi4 storage /0/1/0.0.0 /dev/sda disk 1TB WDC WD10EZEX-00B /0/1/0.0.0/1 /dev/sda1 volume 486MiB Windows FAT volume /0/1/0.0.0/2 /dev/sda2 volume 244MiB EFI partition /0/1/0.0.0/3 /dev/sda3 volume 930GiB LVM Physical Volume /0/2 scsi6 storage /0/2/0.0.0 /dev/sdb disk 7756MB SCSI Disk /0/2/0.0.0/4 /dev/sdb4 volume 7396MiB Windows FAT volume /1 power To Be Filled By O.E.M. /2 eth1 network Ethernet interface