I installed Windows 7 the day before yesterday, and paid a lot of effort to find my old graphics card driver and old audio card driver. It took two days and I felt good.
I installed a series of software last night. When I started the system this morning, I found that I couldn't access the internet. At first I thought it was my network number used by someone else. I changed the password and tried again. I still cannot use a well-understood account... It seems more complicated than I thought...
I think that I tried to install several versions of Network Authentication last night. Is it because of a conflict that caused the Internet to fail. So I deleted all the authentication software, restarted it, and installed another one that confirmed to be usable. the problem persists.
After carefully reading the network connection, we found that the IP address can be obtained correctly, and DNS is also correct. I had to delete the MSN and installed last night. After the restart, I still cannot access the Internet.
The problem is so strange that I almost want to give up Windows 7. Fortunately first checked the Internet, in a senior blog (http://blog.sina.com.cn/s/blog_4b5b12bd0100exze.html) finally found the answer, it turned out to be Photoshop to get in trouble, immediately back:
Right-click "my computer"-"manage"-"services and applications"-"services" and find the service:
# Id_string2.6844f930_1628_4223_b5cc_5bb94b879762 ##
Stop it and disable it.
After restart, the Internet access is normal.
(The above content comes from: http://luzuoqing.blogbus.com/logs/52633413.html)