Windows 8 and 8.1 Forums


Lag Spikes when running Firefox/IE/Chrome

  1. #1


    Posts : 6
    Windows 8.1 Pro

    Lag Spikes when running Firefox/IE/Chrome


    Hello, I've updated my laptop's OS to Windows 8 64-bit a couple of days ago and I quickly noticed that there was a rather annoying issue with performance. It lags every 5-10 seconds, but this seems to happen only when I open Firefox or any other Web Browser and this slows down the whole computer unless I restart it again. My Laptop used to run Windows 7 very well but now I have no idea about how to fix this. I also updated to Windows 8.1 yesterday but the problem is still unsolved. By the way I have 4GB of RAM but the system recognizes only 2. Does anybody have a clue about this?

      My System SpecsSystem Spec

  2. #2


    Posts : 2,191
    Windows 8.1


    We'll need the following:

    Make/model of system if pre-built retail

    If self built:
    Mobo make/model number
    RAM make/model number and configuration (ie, 2x2 or 1x4, etc)

    And a few screenshots (like so) will really help in identifying your issue:

    Click image for larger version

    Click image for larger version
      My System SpecsSystem Spec

  3. #3


    Posts : 6
    Windows 8.1 Pro


    My system model is Aspire 5630
    Some screenshots here:
    Click image for larger versionClick image for larger version
      My System SpecsSystem Spec

  4. #4


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    It may be a latency problem - usually caused by a bad driver. Run this tool and see whether you get any red bars. The comments below the bar chart may give you some clues.

    DPC Latency Checker
      My System SpecsSystem Spec

  5. #5


    Posts : 2,191
    Windows 8.1


    By the way I have 4GB of RAM but the system recognizes only 2. Does anybody have a clue about this?
    So, I looked up your specs and I cannot account for why you have a full 1GB of RAM hardware reserved but it almost looks like an x32 OS RAM allocation which can recognize up to 4GBs and actually (in most cases) use only about 3GBs. Also, you machine is an older model and I'm actually surprised your were able to make it through the 8.1 upgrade with those specs. FYI, I had an old Dell Dimension 8400 that looked and acted just like yours. In fact, when I upgraded to Win 8 x64, it saw no more of the 4GBs of RAM than it did when I was on XP 64 or XP32, so I would have to assume your BIOS is the limiting factor here (just like mine was).

    Now, as far as the other issue goes, I would follow/work with whs on that issue as see where that leads.

    Good luck,

    my2cents
      My System SpecsSystem Spec

  6. #6


    Sloe Deth, Californicatia
    Posts : 3,908
    Windows 8 Pro with Media Center/Windows 7


    That 1 GB Ram allocation usually is a side effect of any Virtualization Tech on the Motherboard, particularly "Vanderpool" which is what they called it on Intel Systems, its now called "VT" - If you shut that off in the BIOS, that extra gig of Ram will be available. Vanderpool always used up 1 GB of system Ram when initialised. It was for "XP Mode" of Windows 7.

    It also may be due to using "Hyper-V", in either case if they are not using any Virtual PC, that can be shut off or disabled. Hyper V is accessed through "Features" where it can be installed or removed.
      My System SpecsSystem Spec

  7. #7


    Posts : 6
    Windows 8.1 Pro


    I've tried to disable some drivers and I realized that disabling the "Intel(R) 82801G (ICH7 Family) PCI Express Root Port - 27D6" solves the problem. However when i disable it I can no longer connect to The Internet and I must activate it again.
      My System SpecsSystem Spec

  8. #8


    Posts : 2,191
    Windows 8.1


    Quote Originally Posted by XweAponX View Post
    That 1 GB Ram allocation usually is a side effect of any Virtualization Tech on the Motherboard, particularly "Vanderpool" which is what they called it on Intel Systems, its now called "VT" - If you shut that off in the BIOS, that extra gig of Ram will be available. Vanderpool always used up 1 GB of system Ram when initialised. It was for "XP Mode" of Windows 7.

    It also may be due to using "Hyper-V", in either case if they are not using any Virtual PC, that can be shut off or disabled. Hyper V is accessed through "Features" where it can be installed or removed.
    I doubt that he has any of those options available in his old bios but you sounded so confident, I am very interested in hearing his investigative results per your suggestions. I just wanted to reinforce the fact that my suggestion might still be a distinct possibility as well. In my particular case, it was a BIOS limitation because, even though I had an x64 capable CPU, the BIOS was never intended to run an x64 OS. Again, a decent suggestion on your part; however, your confidence seemed to indicate that my suggestion might be null and void. Now, if I were following up your suggestion, I might say something like "in addition to Xwe's suggestion, you could also check...." Thank you for your consideration the next time we both make a suggestion within the same thread.

    my2cents
      My System SpecsSystem Spec

  9. #9


    Posts : 2,191
    Windows 8.1


    I've tried to disable some drivers and I realized that disabling the "Intel(R) 82801G (ICH7 Family) PCI Express Root Port - 27D6" solves the problem. However when i disable it I can no longer connect to The Internet and I must activate it again.
    That does not sound like a solution IMHO because it sounds like you have just disabled internet access so how can you possibly browse the internet to see if your problem is fixed?

    It lags every 5-10 seconds, but this seems to happen only when I open Firefox or any other Web Browser and this slows down the whole computer unless I restart it again.
      My System SpecsSystem Spec

  10. #10


    Posts : 6
    Windows 8.1 Pro


    This doesn't slow down only The Internet. It slows down the whole PC and when I use DPC there isn't so much latency when I disable the driver.
      My System SpecsSystem Spec

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