How to recover lost radeon chipset

[rajan_114]

Hello,
i have hp pavilion dv6 6121tx with switchable graphics. until today it was working all fine but accidently i deleted my ati folder which was containing ati chipset.
now m unable to switch to high performance gpu and in device manager under display adapter i see der only intel hd graphics but not ati radeon hd 6770 where before i used to see both graphics

 

[jsmakkar]

If this is what you are looking for http/h10025.www1.hp.com/ewfrf/wc/softwareCategory?cc=us&lc=en&dlc=en&product=5117934

 

[rajan_114]

are i did that too but too ma luck dat also didn't work zzz ...

 

[Reyho]

are i did that too but too ma luck dat also didn't work zzz ...

Hi did you manage to fix this?? My 6490m disapeared from device manager, only see intel. So no drivers can be installed for my radeon plz help.