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Bf3 runs slow after playing for a while

Hello, this problem has been occurring since last week. I start Bf3, it runs very great on AUTO settings. (A mix or normals and highs). The game runs at about 50-80 FPS But then after playing for about 30 minutes. The Fps drops to an unplayable 5-10. I tried all settings and this keeps occuring. My temperatures are as follows: GPU: 51C Core 0 : 52C Core 1: 55C. This is before the lag. During Lag: GPU:55C Core0: 54C Core1:57C.
Here are my specs:
GPU: Nvidia GeForce Gt 525m
CPU:Intel(R) Core(TM) i5-2430M CPU @ 2.40GHz, 2401 Mhz, 2 Core(s), 4 Logical Processor(s)
Model: Satellite L750
RAM: 6 GBS RAM
Installed latest RECOMMENDED driver for GPU
64-Bit Windows 7 Home Premium
This is only fixed after i restart the laptop.
Anyone know why this is happening? How can i fix this? Thank you
14 answers Last reply Best Answer
More about runs slow playing while
  1. Download MSI afterburner from http://event.msi.com/vga/afterburner/ and check GPU clocks when the FPS drops (watch in graph on the right, not on the slider!).
  2. Sunius said:
    Download MSI afterburner from http://event.msi.com/vga/afterburner/ and check GPU clocks when the FPS drops (watch in graph on the right, not on the slider!).

    475 MHz
  3. what are you videocard temps when everything slows down?
  4. neon neophyte said:
    what are you videocard temps when everything slows down?

    55C
  5. lethalkilr said:
    475 MHz


    There's your issue: the card downclocks itself. Is it overclocked?
  6. Sunius said:
    There's your issue: the card downclocks itself. Is it overclocked?

    no it is not.
  7. Try bumping voltage in MSI afterburner by 20 mV. It might help.
  8. Sunius said:
    Try bumping voltage in MSI afterburner by 20 mV. It might help.

    I can't. It's locked. Even though i checked the unlock voltage control.
  9. If it's locked you have a great law suite on your hands sue MSI
  10. Best answer
    Hmm, try reducing memory and clock speed by 15 MHz then.
  11. Best answer selected by lethalkilr.
  12. Sunius said:
    Hmm, try reducing memory and clock speed by 15 MHz then.

    Thanks man. I've been playing Bf3 for 2 hours without any fps drops :D
  13. Glad I helped ;).
  14. This topic has been closed by Mousemonkey
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