Why does my PC always show 100% disk usage?

Ian Carl D August 13, 2013
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hi, can anyone help me with my Toshiba Satellite P875-S7102?
Drive 0 (c:) is always randomly 100% usage and it slows down my PC.  It lags and hangs.  Win8 doesn’t crash (bluescreen), I just have to wait for 15-40 minutes everytime for it to work normal, but in the process the disk usage doesn’t specify what causes the 100% usage.  My laptop is updated and I already tried factory restoring it but still no avail.
I tried all this forums http://goo.gl/SbI7z5 but still no avail.
I’m sure that my hard drive is in good condition.

Please check video link and screenshots for more details
YT video: http://goo.gl/ASPdCM
Db screenshot: https://www.dropbox.com/sh/i96pba2vtmdvzso/bf7LOLW9DE

Thank you.

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  1. Tsf O
    August 29, 2013 at 5:04 pm

    This problem usually arises due to some 3rd party softwarees running in background to ensure if that is the case follow the steps below to place your computer in “clean boot”
    • Click the Start
    • Type msconfig in the Start Search box, and then press ENTER.
    • On the General tab, click Selective Startup.
    • Under Selective Startup, click to clear the Load Startup Items check box.
    • Click the Services tab, click to select the Hide All Microsoft Services check box, and then click Disable All.
    • Click OK.
    When you are prompted, click Restart.

  2. FIDELIS
    August 14, 2013 at 2:50 am

    Hello, After looking at the pictures posted in your link, I would say that your drive is a little bit slow. Your system has enough memory. Does it happen all the time, or only when you have several windows/programs running? Have you checked your computer for viruses/malware lately? Other than windows defender, do you have any other antivirus installed?

    The most common reason for this to happen is that there is a service in the background using all the resources your computer has available. This can happen by and infection, your computers does not have enough memory (RAM) or your harddrive is full. Your system has more than enough memory, even though the harddrive is a little bit slow for some reason, I do not know how much free space you have.

    Another cause for this is virus/malware infection. Is your antivirus updated? Make sure to scan your system. It would also be a would idea to download and run any of the following free software:

    http://www.malwarebytes.org/products/
    or,
    http://www.superantispyware.com/portablescanner.html

    Make sure to give a full scan with either of these software and if it finds anything, make sure to get rid of it. Your system seems to be reporting a few errors....Have you tried to check and see if they can be fixed by running the error reporting utility? If the utility can not find a solution for it, can you post any errors you get?

    If this happens mostly at startup, it would be good to check the startup entries in your system and disable unneeded ones like quickplayer, media player, java, etc. Also, you could use something like the following software to uninstall unneeded software installed by manufacturer. Download and install the program and once you run it, it will show you and give you the option of uninstalling software installed by manufacturer that you do no need.

    http://pcdecrapifier.com/

  3. Hovsep A
    August 13, 2013 at 1:11 pm

    have you tried refresh windows 8?
    reset cmos battery, update bios
    shutdown laptop, remove hard drive, try to boot once, replug hard drive and boot again?

    open command prompt under administrative rights
    type: sfc /scannow
    then do chkdsk /r/x

    try to disable dvd drive in device manager and see if this has effect?