My Laptop just suddenly disconnect....why is that and how can i fix it?/

Sounds like you have a lose connection. Shaking a laptop isn't the best solution. You didn't supply make, model of machine ,so the best I can do is, open the laptop , find the wireless adapter and secure lose connection or reseat card is applicable.

HiPerform a hard resetIf a PC suddenly fails to boot properly, you should perform a hard reset as the first procedure.

1. Disconnect all peripheral devices and remove all USB devices and media cards. You want to test the computer not the accessories!
2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds .
3. Reconnect the AC power adapter (but do not connect the battery), Press the Power button,Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning.Hope this helpsRegardsMichelle
   

Well try it charging if does not then connect it with you computer or laptop and if computer does recieve the noticfication that mp3 player is connected then remove it safely do not disconnet wire from the player but first from computer or laptop then try it if gets on.... if doesn't without connected to computer the reconnect with computer and format your player by right clicking on the mp3 drive and chosing format button . Let me tell that there is not much possibilty that it would be working again usually Directly disconnecting gives the memory **** to mp3 player as its not furter connected to stable power supply which would explain that it won't be working or any repaires would help then

There is an easy fix solution that works most times when your PC/Laptop suddenly does not turn on. Dont ask why or how but follow it.
1. Disconnect all the power supply, that is remove the adapter cable and remove the battery.
2. Press and Hold the power button for 10 to 20 Seconds(very important 10 secs at least)
3. Put back the battery and connect the power adapter and try switching on your laptop.

disconnect it and reconnect
if its still not working then we can try the reg fix

Get a power charging adaptor from HP (if a smart adaptor) or a generic anywhere that matches your spec. Your device is doing what mine did, but in addition mine beeped softly as a warning of failure. Being a smart adaptor, I had to order one from HP, a generic won't work.

try tools>internet option>delete cookies if the problem persist try download speed booster like robust it is good for dial up connection it can minimize if not stop the frequency of disconnection

Probably by reloading the software. You aren't supposed to disconnect in the middle of a transfer (although, sometimes it is inevietable).

can u tell me that whats the error note..?