30 Oct 2009 1 Need ATI Unified AVStream Driver Installed Win 7 Professional Upgrade on clean HD and am Dual booting with Vista. Device Mgr shows yellow flag under Others devices Multimedia Controller. Unknown device Identfier program, says its Vendor ATI, Device 4D50 Unified AVStream Driver. Installed ATI 9-10 Win 7 32-64 unified WDM ver 8.661.0.0, no change.

Also installed it in Vista SP1 compatibilty mode, still have yellow flag. Does anyone know what the Unified AVStream Driver is for.

Read a post somewhere that is was a Sound and Video Game controller. Searched ATI s site and unable to identify anything that refers to a Unified AVStream Driver.

Don Intel P965 Chipset MB Intel core 2 Processor GeForce 8600GT On-board integrated Intel HD sound ATI Wonder 650 Pro HDTV/SD/FM Combo Tuner My System Specs System Manufacturer/Model Number Velocity OS Vista CPU Intel core 2 e 30 Oct 2009 2 Quote: Originally Posted by Don717 Installed Win 7 Professional Upgrade on clean HD and am Dual booting with Vista. Device Mgr shows yellow flag under Others devices Multimedia Controller. Unknown device Identfier program, says its Vendor ATI, Device 4D50 Unified AVStream Driver. Installed ATI 9-10 Win 7 32-64 unified WDM ver 8.661.0.0, no change. Also installed it in Vista SP1 compatibilty mode, still have yellow flag. Don, your PCI tuner card is unrecognisable to Windows 7. The yellow exclamation in device manager is needing the driver for it.

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Follow this link to see specs: ATI TV Wonder HD 650 Series From what I read ATI is only recognising Vista. Try to reinstall using windows compatability mode for Vista. Your system specs are lacking so we cannot be more helpful at this time. Regards, Adrian System Manufacturer/Model Number Custom Build OS Windows 7 7600 1 X64 CPU AMD PHENOM II X 550 PROCESSOR 3.1 ghz Motherboard ASUS M4A78-TE Memory Corsair 4 gig ddr 3 Graphics Card ati radeon 3300 Sound Card ati hd Monitor s Displays syncmaster 2033sw Screen Resolution 1600X900 60 hz refresh PSU antec_550 watt Case cooler master GLite Cooling stock_heat sink Hard Drives twin_seagates SATA s 1 TB 500 Gig, hitachi_slimline 160 gig Internet Speed 20mbs up/ 1.5mbs down Other Info favorite child stewie favorite dog brian 3 The vista drivers will work here.

Download then click install, the files will extract to C: ATI Support 9-10_vista32-64_unified_wdm. Go to device manager and point to that folder and install drivers. Worked like a champ. I have the same card as you and i m using Windows 7 x64 Ultimate. Good luck Get the drivers here ATI Theater Drivers Computer type PC/Desktop System Manufacturer/Model Number Custom built by me. OS Windows 10 Pro CPU Intel Core i7-4770K 3.5Ghz Motherboard Gigabyte G1 Sniper 5 F10 Bios Memory 32 gig Corsair Dominator Platinum 4x8Gig Graphics Card Sapphire Tri-X R9 Fury Sound Card Soundblaster ZXR Monitor s Displays NEC PA242W 24 LCD Monitor Screen Resolution 1920 x 1200 Keyboard Logitech Wireless Wave Mouse Logitech Performance MX PSU EVGA Supernova 1000 G2 Case Cooler Master HAF X Cooling Corsair H100i with Corsair Air Series SP120 Quiet Fans Hard Drives Primary - Samsung 850 Pro 512gig, Samsung 840 Pro 256gig, 2TB WD Caviar Black.