Hi,
·
Do you remember making any recent changes to the computer prior to this issue?
·
Are you using wired or wireless connection?
I would suggest you to follow the steps mentioned:
Method 1:
Follow the steps in the link and check if the issue occurs:
“Wired and wireless network connection problems in Windows”
http://windows.microsoft.com/en-US/windows/help/wired-and-wireless-network-connection-problems-in-windows
Method 2:
You may check the status of the driver in device manager. Follow these steps:
a.
Click Start, type
Device Manager in the Start Search box, and then press ENTER.
b.
Click Continue. The
Device Manager Dialog box is displayed.
c.
If you are prompted for an administrator password or for a confirmation, type the password, or click
Continue.
d.
In Device Manager check the status of the driver.
Method 3:
You may reset the router settings by holding the power button for 10 sec and check if the issue persists.
Method 4:
After above step recreate the network and check if the issue persists. Follow the steps in the link:
http://windows.microsoft.com/en-US/windows7/Setting-up-a-wireless-network
You may also update network adapter driver. Follow the steps in the link:
“Update a driver for hardware that isn't working properly”
http://windows.microsoft.com/en-us/windows7/update-a-driver-for-hardware-that-isnt-working-properly
You may also update hardware driver and check if the issue occurs.