How to start my acer laptop wifi 5742

[solwayiceman]

I have lost my wifi conection on my laptop ie has yellow warning and wont conect. Router is ok because am using old lap top please help

 

[nhasian]

Here are detailed step by step instructions with pictures:

How Do I Use the Windows System Restore Utility?
How Do I Perform a Startup Repair or Repair Installation of Windows?
How Do I Perform a Clean Installation of Windows?

Also there is SFC How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7

 

[lordofdeath242]

you can try rightclicking your wifi signal icon and select troubleshoot, unless u disabled it manualy with the function key, then it's the Fn button + f3 on my acer laptop to toggle wireless on\off