Hay i got a new grafikcard and i got extrem frame lagg ati radeon 5770

hi i got Operating System
MS Windows 7 Home Premium 64-bit SP1
AMD Phenom II X2 545 36 °C
Callisto 45nm Technology
6.0GB Dual-Channel DDR3 @ 533MHz (7-7-7-20)
Acer FRX780M (CPU 1) 30 °C
Compaq Q2159 (1920x1080@60Hz)
ATI Radeon HD 5700 Series
Hard Drives
733GB Western Digital WDC WD7501AALS-00J7B0 ATA Device (SATA) 47 °C
Optical Drives
AMD High Definition Audio Device
and i got extrem frame lag on modern warfare 2 and black ops i buyed the grafikcard 2 weeks ago and my old one ran modern warfare 2 on high grafik with out a problem and now i m sitting at home and wondering is it my computer or my grafikcard that sucks? anyone know how to solve the problem i would be thankful!
6 answers Last reply
More about grafikcard extrem frame lagg radeon 5770
  1. Did you uninstall your old graphics drivers and install the latest driver from ATI's website for HD5770?
  2. A good rule of thumb is to uninstall your old drivers (using the driver software like AMD Catalyst). Then run a program like Driver Sweeper to clean out any residual drivers that it may have missed. Reboot and install the new drivers. See if that works for you.
  3. i reinstalled window 7 so i got only my new grafik driver nothing else
  4. DDR3 at 533 MHZ?
    And yes, reinstall drivers. Or maybe OS if it doesn't work see here for instructions.
  5. It was working ok before so...what was the previous graphics card you had installed? maybe what you thought was an upgrade, actually was not.
  6. it was a ati radeon 4600 series it sucked so i dont think 5770 is worse
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