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problems in sound system and video of lenovo G570 laptop

hello,i am having a problem in my sound system of lenovo laptop.sometimes it is having a typical sound while playing a song.means the tempo of the song is getting slower and a sound is produced while playing that song.and after restarting it gets ok.but again after few days the sound system is getting the same sound while playing any song.i have checked the speaker configuration.it is fine.then why it is going on?and also while playing the video the tempo of the movie and sound is getting slower than the original.again the synchronization between the keyboard typing and monitor displaying is getting disturbed.whatever i am typing is getting displaying on the monitor after a while.and after restarting the entire problem is getting solved.and again after sometime the same thing is happening.i cant understand what is the problem going on.i will be really grateful if you help me out.thanking you
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  1. can you give me the configuration of your pc/laptop?
  2. catch_debajit said:
    can you give me the configuration of your pc/laptop?



    yes my configuration of laptop is as follows..
    brand:LENOVO
    model number:G570
    processor:Intel(R)core(TM)i3-2350M CPU @2.30GHz
    Hard disk:500 Gb
    system type:32 bit operating system
    operating system:WINDOWS 7 ULTIMATE
  3. Best answer
    okay...you didn't mention your RAM though...i guess that could be hard-disk problem, always keep some free space on disk...to solve that problem try defragmenting your disk...if that does not solve your problem...check Task manager during the problem, check if any process is taking too much of "cpu". just press cntrl+shift+esc then go to process then click on CPU.
  4. catch_debajit said:
    okay...you didn't mention your RAM though...i guess that could be hard-disk problem, always keep some free space on disk...to solve that problem try defragmenting your disk...if that does not solve your problem...check Task manager during the problem, check if any process is taking too much of "cpu". just press cntrl+shift+esc then go to process then click on CPU.



    thank you sir.okay i will do that..
    well my my system has 4 GB RAM(2.95 GB usable)
  5. plz dont call me sir...i am still a student...:-)
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