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Sony VGN-CR509E Wifi
It will be easier to buy a new USB adapter and just plug it in, than it is to replace any type of OEM adapter you might have. A lot of newer wireless adapters are plug-n-play, which means you simply plug it into a USB port and the OS will handle everything from there. Buying a USB wireless adapter is quick and painless because all you need to know is the current operating system on your laptop. The WiFi in your laptop, if so equipped, makes use of a wireless adapter to communicate with your wireless router or modem.
Signals the wireless card is not going to last much longer
- The wireless adapter driver shows it as not installed
- The wireless adapter on your laptop does not connect at all
- Your wireless internet connection drops multiple times over and over again
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