Windows 7: network adapter not found on my laptop..please help

hi everybody,
i have a serious problem here, i cant connect to internet by any way, i have no wireless connection it says no connection available and i tried wired method and nothing happens, i went to device manager and found out the i dont have any modem and no network adapter found,
the problem started like this>>
i had windows 7 home premium installed in Portuguese language and wanted english so i downloaded torrent that said is clean Windows 7 home premium , after i installed that i did get english language but after that i cant connect to any network, i am now connected using pda net on my mobile.(usb tethering).
please help.

Hello there, what Toshiba model are we talking about?

Did you go to the Manufacturer's website and look for the drivers?

You shouldn't download copies from a Torrent file, because they could be damaged or altered in some way, always use a DVD, from a friend, from work, wherever, but of course, use a legal key all the times.

i am using my own key, just didnt had the dvd so i had to download one.

OK, that's fine, where i'm going is that maybe the DVD you downloaded came corrupted, did you check the MD5 and Checksums?

Now.. did you go to the Toshiba's Website and looked for the latest drivers of the network adapters?

let me try that, i wll come back after that, thx for replying

yes i did went to toshiba website but no luck,
i downloaded 1 and had problem and i downloaded other one and same problem,
i have toshiba satellite 650

Could you provide us an exact model number? because "650" isn't telling me too much, could be a C650, L650...

satellite L650 11e system unit
part no psk1 je-018003ep

i hit f2 on start up> and went to advance setting or sth
and found enable pci lan or sth on start up>> that is enabled there
is that what u said?

Hi,

I think you haven't installed proper driver for the network hardware component.

1. Find out what network device do you have? company, model etc.
2. Install appropriate driver, that means it should work in your current OS.
3. If your network driver manufacturer is computer manufacturer then visit manufacturer's website and you should be able to download appropriate driver.

I had same problem with my sony vaio wireless (My wired connection was working fine), I downloaded a wire less updated driver from sony website and it worked after installing it.

Your problem sounds to be software related. It should be solved easily, you just need to find out right driver setup.exe for your hardware which is compatible with your current OS.

All the best
Cheers,
Silwal