No internet after downgrading to Windows 8 for Windows 7 64 bit

I went down to windows 7 and now my internet does not work nor are my fn keys especially one that turns the power on and off Wireless is not no longer works. I looked down my laptop and this is the model.

"HP Pavilion n239ca-15 Notebook PC.

He also says

'Network controller' X no driver found
'Bluetooth Controller' X no driver found

"SM Bus controller" X no driver found

'Ethernet controller' X no driver found

"(USB) Universal Serial Bus controller" X no driver found

"PCI Simple Communications Controller" X no driver found

So I need help to find and receive these drivers on my computer and the internet to the top but I am very lost right now. When I try to find a driver, I can not, because there is no NIC, any help would be popular.

Hello:

I don't know why you can't connect to the internet, but here's the rest of the drivers you need...

First install the smbus controller driver and restart.

http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5359407&spf_p.tpst=swdMain&spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D%257CswItem%253Dob_118468_1%257CswEnvOID%253D4058%257CitemLocale%253D%257CswLang%253D%257Cmode%253D%257Caction%253DdriverDocument&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken

USB3:

http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5359407&spf_p.tpst=swdMain&spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D%257CswItem%253Dob_118604_1%257CswEnvOID%253D4058%257CitemLocale%253D%257CswLang%253D%257Cmode%253D%257Caction%253DdriverDocument&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken

Simple Comms PCI:

http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5359407&spf_p.tpst=swdMain&spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D%257CswItem%253Dob_123859_1%257CswEnvOID%253D4058%257CitemLocale%253D%257CswLang%253D%257Cmode%253D%257Caction%253DdriverDocument&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken

Ethernet:

http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5359407&spf_p.tpst=swdMain&spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D%257CswItem%253Dob_123192_1%257CswEnvOID%253D4058%257CitemLocale%253D%257CswLang%253D%257Cmode%253D%257Caction%253DdriverDocument&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken

Tags: Notebooks

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