You're very welcome.
The only suggestion I can offer would be to see if this works...
Download and run the AMD graphics driver from your notebook's support page.
Ez a csomag az AMD/Intel átváltható nagy felbontású (HD) video-illesztőprogramot tartalmazza támogatott operációs rendszert futtató támogatott noteszgéptípusok számára. Az átváltható grafikus üzemmóddal rendelkező noteszgépek számára a csomag tartalmazza mindkét grafikus processzor (GPU) illesztőprogramját. Az átváltható grafikus üzemmód lehetővé teszi, hogy a felhasználó válasszon az alacsony fogyasztású (leginkább akkumulátoros működtetéshez szánt) és a nagy teljesítményű megjelenítési üzemmód közül.
http://ftp.hp.com/pub/softpaq/sp72501-73000/sp72646.exe
If you have already done this, and did not delete the driver folder that was created, skip the above step.
Go to the device manager and click on the AMD graphics adapter with the ! mark next to it.
Click on the driver tab. Click on Update Driver.
Select the Browse my computer for driver software option, and browse to the driver folder that was created when you ran the graphics driver file.
That folder will be located in C:\SWSetup\sp72646.
Make sure the Include Subfolders box is checked and see if the driver installs that way.
Then restart the PC.
The graphics driver on your notebook's support page should have worked because here is a partial copy and paste of the driver setup information file, which shows driver support for the hardware ID you posted...
[Manufacturer]
%ATI% = ATI.Mfg, NTamd64.6.1, NTamd64.6.0, NTamd64.6.3, NTamd64.10.0
[ATI.Mfg.NTamd64.6.1]
"%AMD6660.1%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_196E103C&REV_00
"%AMD6660.2%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_1970103C&REV_00
"%AMD6660.3%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_1972103C&REV_00
"%AMD6660.4%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_1974103C&REV_00
"%AMD6660.5%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_1976103C&REV_00
"%AMD6660.6%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_1978103C&REV_00
"%AMD6660.7%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_2162103C&REV_00
"%AMD6660.8%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_2164103C&REV_00
"%AMD6660.9%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_2183103C&REV_00
"%AMD6660.10%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_2184103C&REV_00
"%AMD6660.11%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21AA103C&REV_00
"%AMD6660.12%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21AB103C&REV_00
"%AMD6660.13%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21AC103C&REV_00
"%AMD6660.14%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21AD103C&REV_00
"%AMD6660.15%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21AE103C&REV_00
"%AMD6660.16%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21AF103C&REV_00
"%AMD6660.17%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21D5103C&REV_00
"%AMD6660.18%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21D6103C&REV_00
"%AMD6660.19%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21D7103C&REV_00
"%AMD6660.20%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_21D8103C&REV_00
"%AMD6660.21%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_80BC103C&REV_83
"%AMD6660.22%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_80BE103C&REV_83
"%AMD6660.23%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_80C0103C&REV_83
"%AMD6660.24%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_80C2103C&REV_83
"%AMD6660.25%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_80C4103C&REV_83
"%AMD6660.26%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_80C6103C&REV_83
"%AMD6660.27%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_8132103C&REV_83
"%AMD6660.28%" = ati2mtag_R503, PCI\VEN_1002&DEV_6660&SUBSYS_8136103C&REV_83