Wireless network adapter does not work anymore and will not be repeated work without stopping the computer and then back on.

Sometimes I leave my computer on at night.  Sometimes I notice that when I get back to him the next day that he has limited connection to the network I use.  When I try to disconnect it from the network, then reconnect, it says that it cannot connect.  Then, when I try to restart my computer it is sitting at a screen saying "stop down". "."  My wireless network software also is unaccessable in which she does not open and if I close the Task Manager and reopen it flashes for a second then closes.

However when I turn it on manually and then turn it on again, which apparently is not good for the computer, I am once again able to connect to the network with full access.

Can someone please tell me why this keeps happening and how to fix it?

original title: unable to connect to a network.

Hello

Are you aware of any changes made to the computer, before the show?

Method 1:

Step 1: Safe Mode with networking

Start your computer in safe mode with network and verify that the question.

Start your computer in safe mode

http://Windows.Microsoft.com/en-us/Windows7/start-your-computer-in-safe-mode

Step 2: Clean boot

If you are not facing the problem in safe mode with network, then put your computer in a clean boot and search for the issue.

How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7

http://support.Microsoft.com/kb/929135

Note: once you are done with the boot, follow step 7 of article to put your computer to normal startup.

Method 2:

Update the NIC drivers and check the issue.

Updated a hardware driver that is not working properly

http://Windows.Microsoft.com/en-us/Windows7/update-a-driver-for-hardware-that-isn ' t-work correctly

Update drivers: recommended links

http://Windows.Microsoft.com/en-us/Windows7/update-drivers-recommended-links

Method 3:

Run a virus scan and make sure.

http://www.Microsoft.com/security/scanner/en-us/default.aspx

Note: The Microsoft Safety Scanner ends 10 days after being downloaded. To restart a scan with the latest definitions of anti-malware, download and run the Microsoft Safety Scanner again.
 
Important: While running scan on the hard drive if bad sectors are found on the hard drive when scanning try to repair this area if all available on which data may be lost.

I hope this helps.

Tags: Windows

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