wifi not working properly

[kf10]

hello
my computer wifi stops working after few minutes, (yellow sign appears)

i disconnect it and then reconnects it and it will work for a few minutes and then the yellow sign will appear again and it will not work anymore

this only happens with my computer, other computers in the office dont have this problem

thanx in advance

forgive my poor english

 

[file3456]

Is this the Dell Vostro A860 laptop?

Run this tool and post the log. Download MiniToolBox

 

[kf10]

no this is office desktop, Intel Core2Duo 3GHz, 4GB RAM, Win7 64bit

the minitoolbox got stuck at ipconfig

 

[file3456]

Go to the start orb under search enter CMD. Right click CMD and open with Admin. Run all of these commands.

Truly reset the TCP/IP stack – Fix network/internet problems | TCAT Shelbyville – Technical Blog

After that restart the computer.

Run LSP-Fix. Any issues? LSP-Fix - a free program to repair damaged Winsock 2 stacks