ATI 4850 with flashing screen Tags: Radeon Graphics Product Last response: September 22, 2010 1:55 AM in Graphics & Displays Share weijonny September 21, 2010 9:00:24 PM hi, My spec is : Intel Core 2 Duo E6600 Conroe 2.4GHz ASUS P5N32-E SLI Plus LGA 775 C55+MCP55P (http://www.newegg.com/Product/Product.aspx?Item=N82E168...) 6GB Kingston HyperX Blu 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Antec earthwatts EA500 500W Continuous Power ATX12V v2.2 80 PLUS Certified http://www.newegg.com/Product/Product.aspx?Item=N82E168... ATI Radeon HD 4850 1GB 256-bit GDDR3 http://tw.asus.com/product.aspx?P_ID=nOpTykoMNknmU1uh&t... so after i have install/upgrade from 7800GTX to the new one i just bought 4850 first into the windows with 800X600 resloution, with win7 it automatically install the 4800 driver for me and ask for restart. after the restart, takes over 2 mins to enter the windows welcome screen and after enter the desktop, the monitor just kept refreshing and loads reallly realllllllly slow basically i cant even right click on the desktop, the mouse has over 5s delay movement. enter with the safe mode, everything is fine. i am wondering if its the power supply that i have is not enough with 12v+ rail i have tried to switch back to the old videocard 7800, and it works fine again also installed the driver first w/o new card in, and in the safemode also still after change to the 4850, the screen either kept refreshing or just takes forever to load please help~ thanks More about : ati 4850 flashing screen wa1 September 22, 2010 12:54:58 AM Well, don't use the default win 7 driver, that's only default driver, install the latest driver from amd site: www.amd.com m 0 l weijonny September 22, 2010 1:43:46 AM wa1 said:Well, don't use the default win 7 driver, that's only default driver, install the latest driver from amd site: www.amd.com i did, updated the lastest version, i tried 8.1 9.7 10.1 a lot of them still the same m 0 l Can't find your answer ? Ask ! Get the answer wa1 September 22, 2010 1:55:38 AM Then try 10.3 or 10.4, that's the most stable driver for now, make sure you use Driver Sweeper after uninstall and before installing the new driver. If that's not working then try your card in different PC, if the same problem appears then you got a bad card. P.S: (9.7 and 10.8 are works for my HD4850). m 0 l Can't find your answer ? Ask ! Publish Related resources ATI 4850 - Black Screen when playing games Forum Blury screen 1080p ATI 4850 HP w2207h Forum ATI Radeon HD4850 Black Screen Forum ATI 4850 Crashing/Blue Screen Forum ATI HD4850 Black Screen - Amber Light on Monitor Forum ATI 4850 - Black Screen when playing games Forum ATI 4850 blue screen crashes ingame Forum ATI 4850 Black screen after I change resolution Forum SolvedHELP ! Computer turns on , nothing on the screen , power button blinking (Flashing). Forum SolvedNew ATI 5870 Gray Vertical Line Screen Flash. Forum SolvedWhite Squares flashing across screen Forum SolvedSteamOS flashing black screen Forum ?_Dual Screens w/ ATI Radeon HD 4850_? Forum SolvedWindows 7, slowly flashing screen while starting up. Forum SolvedOn my dell, black screen with flashing dash? Forum SolvedBlack screen flashing cursor SSD Win7 install. Forum SolvedHelp! my Crossfire setup causes Screen Flashing In All Games Forum SolvedFlashing screen but not video card! Forum SolvedAsus m5a78l and sempron 145 problem. (Black screen and flashing power light) Forum Solvedscreen flashing back to windows start menu a few seconds in games... Forum More resources Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !