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Thread: Laptop problem

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    Senior Member JFreak's Avatar
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    Laptop problem

    May not be right to post here, but just wanted to know what is my problem. My laptop processor will suddenly shoot up to more than 90% of usage for no reason, then my laptop will lag like hell, even though I have nothing running in the background. This even happens when I left it idle. When this happens, I can hear my processor fan running so loud that it is annoying. Problem started to appear few months ago, when I started playing Alice Madness Returns after its release. The problem will suddenly appear after that, gradually increasing in times. I can't even watch my animes properly (regardless of 10-bit/8-bit) and I know my laptop's spec definitely can support it.

    I don't know why this happens? Is it because of accumulated dust trapped inside? Or the thermal paste was dried? Please enlighten me.

    Here is the specs:-
    Model: Asus K50IN 2009 model
    Age: ~2 years
    CPU: T6500 2.1GHz
    RAM: 4GB DDR2
    GPU: GeForce G102M with CUDA
    HDD: 320GB
    OS: Win7 x64 Pro Genuine
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    MD-11F MoreDeath-11's Avatar
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    Re: Laptop problem

    There's 2 possibilties:
    1.) As you suspected, too much dust. Get a screwdriver and some TIM material.
    2.) Windows Update service is known to do this. *You* could stop it momentarily and see what happens. To be quite conclusive, use the task manager and see what's going on there.

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    Hatsune Miku Otaku him_dox's Avatar
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    Re: Laptop problem

    this has nothing to do with dust or thermal gel, your cpu is being throttled, forced to work hard. Its definately not overheated, well it doesnt sound like it anyway. While temperature can cause a cpu to work harder/inneficiently it doesnt extend to 90%.
    This definately sounds like a software issue, possibly drivers though i doubt it as it sounds like you havn't touched them.
    Theres a definate possibility it could be a virus, many have a tendancy to stress out your hardware for little reason other than to piss u off.
    You could try uninstalling the game that you suspect caused it though i highly doubt that will fix the problem.
    Check task manager, go to the processes tab and check which process is using so much cpu during the throttling. If it doesnt come up then its likely a system service, likely corupted in which case a system restore to an earlier point should fix the problem.
    If the problem really is physical then take it to a proffesional if your not capable of fixing it yourself but i seriously doubt it is physical.
    report back with which process is causing the issue, if you have any other questions go ahead and ask
    If its a virus, make sure to do regular definition updates and scans, just cause it didnt pick it up the first time doesnt mean it wont later. viruses often spread and can get clumsy, catching one contagious file can lead to the rest.
    If you don't have antivirus... get some
    Last edited by him_dox; December 4th, 2011 at 03:36 PM.
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    MD-11F MoreDeath-11's Avatar
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    Re: Laptop problem

    TIM has a somewhat limited lifespan... especially the cheap ones. I've seen some of them go as little as in 2 years. Most recent Intel CPU's have a thermal envenlope protection feature and exhibits this when stuff happens. Seen it happen inside the lab when we were using el-cheapo TIM's on our servers.

    I'll rule out virus as a possibility. Again, task manager and CPU usage is your best friend.

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    Senior Member JFreak's Avatar
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    Re: Laptop problem

    I checked the task manager, and most usage goes to Firefox (I have many precious tabs on).
    Well, I uninstalled the games, and my antivirus is up to date. I prevent my Windows from updating long time ago as I hate updates.
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    MD-11F MoreDeath-11's Avatar
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    Re: Laptop problem

    There's your culprit... Too many tabs open. Try compiling your own build of Firefox with... Oh wait... forgot that making Firefox builds on windows isn't as easy as it sounds.

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    Hatsune Miku Otaku him_dox's Avatar
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    Re: Laptop problem

    if you leave programs like firefox and wmp (theyre just the ones i know about) open for too long they use increasing amount of cpu for no reason with no end. Just end whatever process u think is using the 90% of your cpu and if you see a process called system idle process using a ton of cpu, ignore that.
    Oh wait... forgot that making Firefox builds on windows isn't as easy as it sounds.
    If that was a 'windows sucks mac/linux is better' you can leave it out of tech support buddy.
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    MD-11F MoreDeath-11's Avatar
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    Re: Laptop problem

    Quote Originally Posted by him_dox View Post
    If that was a 'windows sucks mac/linux is better' you can leave it out of tech support buddy.
    I wasn't implying Linux > Windows. Just pointing out that there are ways to get firefox to perform better because of the way how the compiler builds the browser. (i.e. /arch:sse3 on MSVC 2008?/2010)

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    Re: Laptop problem

    ok, sorry bout that. Anyway on that note do you know why wmp and firefox use increasing amounts of cpu over the time they are active? i've often wondered myself but never came to a conclusion.
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    Re: Laptop problem

    Probably due to poor coding of the underlying code. I'm a hardware specialist, so I'd have not that much of experience related with software, but I can definitely say that is the cause.

    Maybe Firefox or WMP wanted to run some form of garbage collection on freeing up memory that it isn't using at random intervals or the code compiled at mozilla had an issue because of the way how the compiler put things together, although I have yet to run into this issue when I work with other pieces of OSS IPPBX'es like FreeSWITCH and asterisk.

    As far as for the Windows Update issue, the idea behind of using 100% of a single thread is to ironically speed up the process of detecting what updates the system needs, but that turns out to be a disaster for older systems that have a less powerful CPU, and not to mention that the updates detector was probably coded with a single for loop lol.

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