Dell Latitude D600 Notebook "internet goes several times day" Questions

Internet Explorer and then restores the tab after several minutes. I have switched to another web brower, and this one simply reverts to a black screen and explains tht the system has crashed and will

internet connection goes out periodically. It happens when I'll be using the computer and then go away for a few minutes or hours and then come back to the computer. I had the modem checked as well as

...goes away blank. Any suggestion? A suggestion for readers of the problem would be for you to please read carefully what you read, you are suggesting what has already been tried. I too have the same ...

...goes there are a few possible solutions. You may need to install the router drivers or you could be having a problem with your wireless network card. Try connecting your computer with a network cable ...

Internet, run most windows programs and other options--even run--very smoothly--old dos games like Doom II, and even run some image edit software--albeit a bit slow--get a Netbook (Atom CPU). They are

...Internet security 08. Program loaded, I clicked it to close the Trend Micro window, it went away and everything froze. After some time I held the start button to close. Won't power up. It goes thru ...