ตามหัวข้อเลยค่ะ โน้ตบุ๊คที่บ้านต่อ wifi ไม่ได้ ทั้งๆที่มือถือ ไอแพด คอมเครื่องอื่นต่อได้หมดเลยค่ะ ลองมาหลายวิธีแล้ว ทั้ง disable/enable ใหม่ รีสตาร์ทเครื่อง uninstall/scan disconnect/connect เปิด/ปิด router ใหม่ troubleshoot problem ไม่เป็นผลเลยค่ะ

troubleshooting report มาเป็นงี้ค่ะ

[Spoil] คลิกเพื่อดูข้อความที่ซ่อนไว้Issues found
Windows cannot connect to "narumon"
The wireless network security key is not correct.                    Not fixed
Verify the network security key for "narumon"                       Failed

"Wireless Network Connection" doesn't have a valid IP configuration        Detected
Reset the "Wireless Network Connection" adapter                                  Completed
Investigate router or broadband modem issues                                      Not run


[Spoil] คลิกเพื่อดูข้อความที่ซ่อนไว้InformationalDiagnostics Information (Network Adapter)
Details about network adapter diagnosis:

Network adapter Wireless Network Connection driver information:

   Description . . . . . . . . . . : Atheros AR5B97 Wireless Network Adapter
   Manufacturer  . . . . . . . . . : Atheros Communications Inc.
   Provider  . . . . . . . . . . . : Atheros Communications Inc.
   Version   . . . . . . . . . . . : 9.0.0.202
   Inf File Name . . . . . . . . . : C:\Windows\INF\oem26.inf
   Inf File Date . . . . . . . . . : 7 พฤษภาคม 2553  0:51:30
   Section Name  . . . . . . . . . : ATHR_DEV_OS61_660311AD.ndi
   Hardware ID . . . . . . . . . . : pci\ven_168c&dev_002e&subsys_660311ad
   Instance Status Flags . . . . . : 0x180200a
   Device Manager Status Code  . . : 0
   IfType  . . . . . . . . . . . . : 71
   Physical Media Type . . . . . . : 9

InformationalDiagnostics Information (Wireless Connectivity)
Details about wireless connectivity diagnosis:

Information for connection being diagnosed
Interface GUID: 2b7ab406-db80-4984-9c07-ba8ffd7e78cb
Interface name: Atheros AR5B97 Wireless Network Adapter
Interface type: Native WiFi

Connection incident diagnosed
Auto Configuration ID: 2
Connection ID: 2

Connection status summary
Connection started at: 2015-06-18 12:16:37-304
Profile match: Success
Pre-Association: Success
Association: Success
Security and Authentication: Success

List of visible access point(s): 1 item(s) total, 1 item(s) displayed
        BSSID        BSS Type PHY    Signal(dB)    Chnl/freq    SSID
-------------------------------------------------------------------------
80-C6-AB-2C-98-56    Infra     <unknown>    -68        1     narumon

Connection History

Information for Auto Configuration ID 2

  List of visible networks: 1 item(s) total, 1 item(s) displayed
  BSS Type PHY    Security    Signal(RSSI)    Compatible    SSID
  ------------------------------------------------------------------------------
  Infra     <unknown>    Yes        66    Yes        narumon

  List of preferred networks: 1 item(s)
   Profile: narumon
    SSID: narumon
    SSID length: 7
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: Yes

Information for Connection ID 2
Connection started at: 2015-06-18 12:16:37-304
  Auto Configuration ID: 2
  Profile: narumon
  SSID: narumon
  SSID length: 7
  Connection mode: Infra
  Security: Yes
  Pre-Association and Association
   Connectivity settings provided by hardware manufacturer (IHV): No
   Security settings provided by hardware manufacturer (IHV): No
   Profile matches network requirements: Success
   Pre-association status: Success
   Association status: Success
    Last AP:  80-c6-ab-2c-98-56
  Security and Authentication
   Configured security type: Open
   Configured encryption type: WEP
   802.1X protocol: No
   Key exchange initiated: Yes
    Unicast key received: No
    Multicast key received: No
   Number of security packets received: 0
   Number of security packets sent: 0
   Security attempt status: Success
Connectivity
   Packet statistics
    Ndis Rx: 0
    Ndis Tx: 0
    Unicast decrypt success: 0
    Multicast decrypt success: 0
    Unicast decrypt failure: 0
    Multicast decrypt failure: 0
    Rx success: 70
    Rx failure: 31
    Tx success: 69
    Tx failure: 0
    Tx retry: 11
    Tx multiple retry: 0
    Tx max lifetime exceeded: 0
    Tx ACK failure: 40
   Roaming history: 0 item(s)

Information for Auto Configuration ID 1

  List of visible networks: 1 item(s) total, 1 item(s) displayed
  BSS Type PHY    Security    Signal(RSSI)    Compatible    SSID
  ------------------------------------------------------------------------------
  Infra     <unknown>    Yes        66    Yes        narumon

  List of preferred networks: 1 item(s)
   Profile: narumon
    SSID: narumon
    SSID length: 7
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: Yes

Information for Connection ID 1
Connection started at: 2015-06-18 12:09:38-669
  Auto Configuration ID: 1
  Profile: narumon
  SSID: narumon
  SSID length: 7
  Connection mode: Infra
  Security: Yes
  Pre-Association and Association
   Connectivity settings provided by hardware manufacturer (IHV): No
   Security settings provided by hardware manufacturer (IHV): No
   Profile matches network requirements: Success
   Pre-association status: Success
   Association status: Success
    Last AP:  80-c6-ab-2c-98-56
  Security and Authentication
   Configured security type: Open
   Configured encryption type: WEP
   802.1X protocol: No
   Key exchange initiated: Yes
    Unicast key received: No
    Multicast key received: No
   Number of security packets received: 0
   Number of security packets sent: 0
   Security attempt status: Success
Connectivity
   Packet statistics
    Ndis Rx: 0
    Ndis Tx: 49
    Unicast decrypt success: 0
    Multicast decrypt success: 0
    Unicast decrypt failure: 0
    Multicast decrypt failure: 0
    Rx success: 95
    Rx failure: 26
    Tx success: 55
    Tx failure: 0
    Tx retry: 3
    Tx multiple retry: 0
    Tx max lifetime exceeded: 0
    Tx ACK failure: 29
   Roaming history: 1 item(s)
     Times: 2015-06-18 12:16:36-073
    Roamed from BSSID:  00-00-00-00-00-00
     Reason: 0x00000007
Disconnected from BSSID:  00-00-00-00-00-00   Reason: 0x00000101

InformationalDiagnostics Information (Wireless Connectivity)
Details about wireless connectivity diagnosis:

For complete information about this session see the wireless connectivity information event.

Helper Class: Auto Configuration
Initialize status: Success

Information for connection being diagnosed
Interface GUID: 2b7ab406-db80-4984-9c07-ba8ffd7e78cb
Interface name: Atheros AR5B97 Wireless Network Adapter
Interface type: Native WiFi

Result of diagnosis: There may be problem

InformationalDiagnostics Information (Wireless Network Adapter)
Details about wireless network adapter diagnosis:

For complete information about this session see the wireless connectivity information event.

Helper Class: Native WiFi MSM
Initialize status: Success

Information for connection being diagnosed
Interface GUID: 2b7ab406-db80-4984-9c07-ba8ffd7e78cb
Interface name: Atheros AR5B97 Wireless Network Adapter
Interface type: Native WiFi
Profile: narumon
SSID: narumon
SSID length: 7
Connection mode: Infra
Security: Yes
Connect even if network is not broadcasting: No

Result of diagnosis: There may be problem

ทั้งๆที่ password ถูกแล้วค่ะ เครื่องอื่นก็ใช้ wifi ได้ด้วยรหัสนี้ ส่วน IP ตั้งเป็น automatic ไว้ค่ะ
ขออภัยในความไม่สะดวกนะคะ พอดี ID ลงภาพไม่ได้
ปล.โน้ตบุ๊คเครื่องนี้สามารถเชื่อม wifi ตัวอื่นได้นะคะ แต่ตัวที่บ้านใช้ไม่ได้ค่ะ