lenovo b490 debian install problems

[tail wei <zhaowei.09.uibe@xxxxxxxxx>]

  hi,i'm new to debian. got debian wheezy installed by debian.exe through win7 this afternoon.Here are some problems that i cannot solved by google.if there is any chance,please help me,appreciated.

  problems:

    1 when i logon after gnome installed (through command line) ,parameter "nomodeset" must given(after some google,someone said it's KMS problems ,the parameter can disable it.more explain?) ,otherwise i got a black screen with ctrl+alt+F1`F7 and ctrl+alt+del didnot work..but with nomodeset ,key combination didnot work either.

    2 the gnome got a fallback experience.it's the VGA or nvidia driver's problem? i tried to install nvidia drivers ,just got black screen,so uninstalled.

    3 in system setting , the display noted as unknow. also the VGA or nvidia driver's problem?

    4 with lspci output to check in debian HCl,just 7 devices work,9 didnot work and 1 unknown.what should i do?
lspci -n
00:00.0 0600: 8086:0154 (rev 09)
00:01.0 0604: 8086:0151 (rev 09)
00:02.0 0300: 8086:0166 (rev 09)
00:14.0 0c03: 8086:1e31 (rev 04)
00:16.0 0780: 8086:1e3a (rev 04)
00:1a.0 0c03: 8086:1e2d (rev 04)
00:1b.0 0403: 8086:1e20 (rev 04)
00:1c.0 0604: 8086:1e10 (rev c4)
00:1c.1 0604: 8086:1e12 (rev c4)
00:1c.3 0604: 8086:1e16 (rev c4)
00:1d.0 0c03: 8086:1e26 (rev 04)
00:1f.0 0601: 8086:1e57 (rev 04)
00:1f.2 0106: 8086:1e03 (rev 04)
00:1f.3 0c05: 8086:1e22 (rev 04)
01:00.0 0300: 10de:0de3 (rev a1)
03:00.0 0280: 14e4:4727 (rev 01)
04:00.0 0200: 10ec:8168 (rev 07)
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hardwares:
root@Jack:/home/guest# lspci
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
01:00.0 VGA compatible controller: NVIDIA Corporation Device 0de3 (rev a1)
03:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 07)

root@Jack:/home/guest# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 002: ID 04d9:a070 Holtek Semiconductor, Inc.
Bus 001 Device 003: ID 04f2:b2fb Chicony Electronics Co., Ltd
Bus 002 Device 003: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
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root@Jack:/home/guest# uname -a
Linux Jack 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2 x86_64 GNU/Linux
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/var/log/messages and dmesg files by attachment.other information required,pleas contact me anytime.

  looking forward to your reply.

Thanks a lot.very appreciated.

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