Does anyone know what company it is computer ?
Toothless, please post in English as this is an English speaking forum (you can use a Translation tool like this:
http://translate.google.com)
I'm unable to tell what make that PC is - it looks like a custom build. Can you boot in to Windows 7 from it, as running a built in tool like "dxdiag.exe" will give you some more information on your system (i.e. system manufacturer, motherboard, cpu, etc...).