Issues Tags: Radeon Windows 7 RAM Windows Vista Graphics Last response: March 13, 2011 2:37 PM in Graphics & Displays Share XR4TI March 13, 2011 2:08:18 PM I recently upgraded from Vista 32-bit to Windows 7 64-bit and from 3GB RAM to 8GB RAM. I notice lag issues on COD Black Ops. I have a Radeon HD5770. Do I need to roll back the driver or change settings on something? More about : issues XR4TI March 13, 2011 2:37:04 PM In task manager it shows windows explorer using 6.8 GB of the 8 gb or memory. What gives? Can't find your answer ? Ask ! Publish Related resources: ForumGtx 660 [non-ti] or Radeon HD 7850 ForumWill it really run without any issues? ForumCompatibility issues or...? ForumIssues with Powercolor 4670 1gb ForumMonitor issues Forum[Solved] Gt 240 in a dell inspiron 530 issues Forum[Solved] Does Nvidia gtx 500 series have OpenGL issues like the 400 series? Forum[Solved] Radeon HD 5850 crossfire setup 'issues' ForumNew 5870, tons of issues. Forum5850 performance issues 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 !