Alif,

Hit the Windows Key and the R keys at the same time. Type

or an ipconfig /all log and maybe it will reveal something.

Rick

Hi Rick,

It turns up the problem with Centrino driver is that I didnot turn on the wifi switch (Fn+F2)..how silly of me..its working now.. The last Driver that I tried is actually working for me..Sorry to trouble you..

But you have any idea how the driver removed itself? Its so sudden..anti-virus perhaps?

Thanks for the reply Rick;

Here is my systeminfo

Host Name:                 ALIFLATIF-XPS
OS Name:                   Microsoft Windows 7 Home Premium
OS Version:                6.1.7601 Service Pack 1 Build 7601
OS Manufacturer:           Microsoft Corporation
OS Configuration:          Standalone Workstation
OS Build Type:             Multiprocessor Free
Registered Owner:          AlifLatif
Registered Organization:   Microsoft
Product ID:                --------------------------------------------
Original Install Date:     29/2/2012, 08:11:22
System Boot Time:          8/4/2012, 10:14:12
System Manufacturer:       Dell Inc.         
System Model:              Dell System XPS L502X
System Type:               x64-based PC
Processor(s):              1 Processor(s) Installed.
                           [01]: Intel64 Family 6 Model 42 Stepping 7 GenuineIntel ~2501 Mhz
BIOS Version:              Dell Inc.          A10, 20/2/2012
Windows Directory:         C:\Windows
System Directory:          C:\Windows\system32
Boot Device:               \Device\HarddiskVolume2
System Locale:             4409
Input Locale:              en-us;English (United States)
Time Zone:                 (UTC) Dublin, Edinburgh, Lisbon, London
Total Physical Memory:     8,086 MB
Available Physical Memory: 6,073 MB
Virtual Memory: Max Size:  16,171 MB
Virtual Memory: Available: 13,899 MB
Virtual Memory: In Use:    2,272 MB
Page File Location(s):     C:\pagefile.sys
Domain:                    PLEASE
Logon Server:              \\ALIFLATIF-XPS
Hotfix(s):                 85 Hotfix(s) Installed.
                           [01]: 982861
                           [02]: KB971033
                           [03]: KB2393802
                           [04]: KB2397190
                           [05]: KB2425227
                           [06]: KB2459268
                           [07]: KB2475792
                           [08]: KB2478662
                           [09]: KB2479943
                           [10]: KB2482122
                           [11]: KB2484033
                           [12]: KB2488113
                           [13]: KB2491683
                           [14]: KB2492386
                           [15]: KB2495523
                           [16]: KB2496898
                           [17]: KB2503665
                           [18]: KB2505438
                           [19]: KB2506014
                           [20]: KB2506212
                           [21]: KB2506928
                           [22]: KB2507618
                           [23]: KB2509553
                           [24]: KB2511250
                           [25]: KB2511455
                           [26]: KB2515325
                           [27]: KB2518869
                           [28]: KB2519736
                           [29]: KB2522422
                           [30]: KB2529073
                           [31]: KB2529825
                           [32]: KB2532531
                           [33]: KB2533552
                           [34]: KB2536275
                           [35]: KB2536276
                           [36]: KB2539635
                           [37]: KB2541014
                           [38]: KB2544893
                           [39]: KB2545698
                           [40]: KB2547666
                           [41]: KB2550648
                           [42]: KB2552343
                           [43]: KB2556532
                           [44]: KB2559049
                           [45]: KB2560656
                           [46]: KB2562937
                           [47]: KB2563227
                           [48]: KB2564958
                           [49]: KB2567680
                           [50]: KB2570947
                           [51]: KB2572077
                           [52]: KB2579686
                           [53]: KB2584146
                           [54]: KB2585542
                           [55]: KB2586448
                           [56]: KB2588516
                           [57]: KB2603229
                           [58]: KB2607576
                           [59]: KB2618444
                           [60]: KB2618451
                           [61]: KB2619339
                           [62]: KB2620704
                           [63]: KB2620712
                           [64]: KB2621440
                           [65]: KB2631813
                           [66]: KB2633873
                           [67]: KB2633952
                           [68]: KB2639308
                           [69]: KB2639417
                           [70]: KB2640148
                           [71]: KB2641653
                           [72]: KB2641690
                           [73]: KB2644615
                           [74]: KB2645640
                           [75]: KB2647516
                           [76]: KB2647518
                           [77]: KB2654428
                           [78]: KB2656356
                           [79]: KB2660075
                           [80]: KB2660465
                           [81]: KB2665364
                           [82]: KB2667402
                           [83]: KB958488
                           [84]: KB976902
                           [85]: KB982018
Network Card(s):           4 NIC(s) Installed.
                           [01]: Realtek PCIe GBE Family Controller
                                 Connection Name: Local Area Connection
                                 Status:          Media disconnected
                           [02]: Intel(R) Centrino(R) Wireless-N 1030
                                 Connection Name: Wireless Network Connection
                                 Status:          Hardware not present
                           [03]: D-Link AirPlus G DWL-G122 Wireless USB Adapter(rev.C)
                                 Connection Name: Wireless Network Connection 6
                                 DHCP Enabled:    Yes
                                 DHCP Server:     192.168.1.254
                                 IP address(es)
                                 [01]: 192.168.1.78
                                 [02]: fe80::50ce:d4ea:eecf:71b6
                           [04]: Microsoft Virtual WiFi Miniport Adapter
                                 Connection Name: Wireless Network Connection 8
                                 Status:          Media disconnected

If you noticed, the Centrino Wireless driver is the one of the drivers I've tried to install. If I uninstall it, It will become "Unknown device". The D-Link is my wireless USB adapter.

aliflatif,

What virus program are you using?

Are you using any peer to peer programs?

Rick

Hi Rick,

The adapter has gone missing again!. I only got a few minutes of it..then the wireless light gone, wifi gone..after reboot, adapter gone..AGAIN. I installed again the driver (Centrino Wireless N-1030) but this time it has #2 at the end of it in device manager. But I didn't see the original one. Its still not working for me.

I use Avira Free Version for anti-virus. I've disabled Windows Defender.

About peer to peer... I don't know if this is related, but I use Teamviewer http://www.teamviewer.com/en/index.aspx?cdsplit=D to remotely connect to my PCs in my country while I'm here. Also I use SSH a lot. Is this have something to do with it?

aliflatif,

TeamViewer is not the problem, I have it installed for my home.

Start, all programs, right click on cammand prompt, left click run as administrator. Type

netsh winsock reset catalog

Also try reading...

Power Save Polling (PSP) causes connection issues with some access points

Rick

Hi Rick,

Tried your suggestion above..still got "This device cannot start. (Code 10)" error on my adapter. I think the adapter is fine because it worked this morning. Do re-formatting Windows a good option?

aliflatif,

Erreo 10 is a driver problem.

Code 10

If the device has a FailReasonString value in its hardware key, that string is displayed as the error message. The driver or enumerator puts this registry string value there. If there is no FailReasonString in the hardware key, you receive the following error message:

Recommended resolutions

Here are some things that you can try to resolve this problem.

Update the driver

In the device Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard. Follow the instructions to update the driver.

You may be prompted to provide the path of the driver. Windows may have the driver built-in, or may still have the driver files installed from the last time that you set up the device. If you are asked for the driver and you do not have it, you can try to download the latest driver from the hardware vendor’s Web site.

View the article in the Microsoft Knowledge Base

For more information about Code 10-related errors , click the following article number to view the article in the Microsoft Knowledge Base:

Rick

Try, http://www.radmin.com/ recommend that I really like. Fast and safe program for remote control of computers. Advantages, high speed, reliable security system.