No sound

You can download drivers for all Acer Aspire Laptops from the following page

http://www.downloadya.com/files.php?cat=11

Select your laptop Model and choose the OS then download apt driver for your Acer Aspire 5570z

Download and unzip this file to your desktop and execute Setup and reboot your computer, at reboot you'll have sound. If you have windows vista use this link: http://global-download.acer.com/GDFiles%5CDriver/Audio/Audio_Realtek_6.0.1.5413_VistaX86.zip?acerid=633638854618740888&Step1=Notebook&Step2=Aspire&Step3=Aspire%205570Z&OS=V10&LC=en&SC=PA_6 If you have windows xp use this link: http://global-download.acer.com/GDFiles%5CDriver/Audio/Audio_Realtek_5.10.0.5273_XPx86.zip?acerid=633638854902172901&Step1=Notebook&Step2=Aspire&Step3=Aspire%205570Z&OS=X01&LC=en&SC=PA_6 Regards.