Ati Radeon 5650 HD Not Detected, Sony Laptop

[existnz]

Ati Radeon 5650 HD Not Detected, Sony Laptop Model VPCEF2S1E,

I tried Download the driver and the BIos from sony site ,
Technic assist VPCEF2S1E/BI
But still not use, i am running windows in Standart WIndows VGA adapter... and my main card not works... any help?
Bios Type Insyde EFI Date : 12/09/2010
Bios Version R0200Z5
Version AGESA DanNiPI V1.0.0.5
Date Bios videocard 03/09/10

[rich912]

Hi existnz,

What is listed in Device Manager either under Display Adaptors or any unknown device and are there any error codes?

Also how recently did this problem occur?

Rich

[tidaltides]

Are you sure you have downloaded the right driver for your GPU? Try to scan your system for a possible driver and see what you will get.