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dvd drive sound problem

Discussion in 'Hardware Q&A' started by freenetresearch, Jan 5, 2007.

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  1. freenetresearch

    freenetresearch New Member

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    Hi
    i have a strange problem.when i play dvd/cd sound is not ok.some kind of disturbing noise (like crackling sound) and some time video is also not smooth. but when i play song or videos from hard disk sound is perfectly fine.
    i have LG combo drive.
    what are the various settings for drive like dma and how to change them.i think data is not getting transfered properly.

    please help
     
  2. ravidawar

    ravidawar New Member

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    pal this crackling sound is common in LG combos..no need to worry abt...although u can go 4 a lens cleaner cd to clean up the dust on the lens of ur drive...this will rduce that sound a bit...try it..
     
  3. Lucky_star

    Lucky_star Still Shining!

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    Try cleaning the drive with a good lens cleaner.


    If your drive is too old (say some years) then you can open up your drive and apply some vaseline to the drive head mover mechanism.
     
  4. OP
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    freenetresearch

    freenetresearch New Member

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    I have cleaned the drive but sound is still there.
    and one thing sound is not coming from drive but it is in movie and i hear it in speakers.

    which mode is better for data transfer DMA or PIO. and how to change the mode.

    drive is one and half yr old.

    drive is LG HL-DT-ST RW/DVDGCC-4521B
    where i can find drivers for it?

    help
    thanx
    __________
    Problem is solved.

    i opened th drive then applied vaseline(very small amount) to the sliding assembly of drive and it worked fine after that.
    is there any specific lubricating creme is outthere to be applied.?
    and what is the best thermal paste?
    it is summer here and my system is little slow and i think it is due to cpu heating because i once opened the assembly and little paste got removed.

    please help

    thanx
     
    Last edited: Jan 6, 2007
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    freenetresearch

    freenetresearch New Member

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    hi
    Problem surfaced again.
    is there any software to test cd/dvd performance(seek time etc.).please let me know. i would run test and post the log file or compare with standards.

    thanx
     
  6. Lucky_star

    Lucky_star Still Shining!

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    U can use Test Drive from Nero. In Nero startsmart goto extras->Test Drive.There you will find many tests for the CD as well as the drive.
     
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    freenetresearch

    freenetresearch New Member

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    hi
    i am posting the results fromthe nero cd speed.
    please have look at them point out what is the problem.

    theoratical speed is 52x but test speds are very low. i think thats why dvd movies are not playing properly. audio and mp3 are working fine.is there any software or setting which might have limited the speed or my drive is near its death.
    please help.
    thanx

    below are the results from nero cd speed.


    General Information

    Operating System Windows XP
    Drive HL-DT-STRW/DVD GCC-4521B
    Firmware Version 1.06
    Serial Number
    Disc Data CD
    Capacity 70:04.04



    Transfer Rate

    Start 16.14x
    End 4.41x
    Average 14.87x
    Type CLV


    Seek Times

    Random 201 ms
    1/3 271 ms
    Full 303 ms

    CPU Usage

    1X 8 %
    2X 100 %
    4X 100 %
    8X 100 %


    Interface

    Burst Rate 353 KB/sec


    Spin Up/Down Times

    Spin Up Time 2.16 sec
    Spin Down Time 0.99 sec

    Load/Eject Times

    Load Time 1.06 sec
    Eject Time 1.36 sec
    Recognition Time 8.28 sec


    Log

    Time Elapsed Action
    [16:20:46] Starting Transfer Rate Test
    [16:27:48] 7:02 Speed:16 X CLV (14.87 X average)
    [16:27:48] Starting Seek Times Test
    [16:28:09] Random seek: 201 ms
    [16:28:36] 1/3 seek: 271 ms
    [16:29:06] 1:18 Full seek: 303 ms
    [16:29:06] Starting CPU Usage Test
    [16:29:21] CPU usage at 1X: 8 %
    [16:29:37] CPU usage at 2X: 100 %
    [16:30:08] CPU usage at 4X: 100 %
    [16:30:55] 1:49 CPU usage at 8X: 100 %
    [16:30:55] Starting Burst Rate Test
    [16:31:38] 0:43 Interface burst rate: 0 MB/sec (353 KB/sec)
    [16:31:38] Starting Spin-Up/Down Test
    [16:31:41] Spin-up time: 2.16 seconds
    [16:31:52] 0:14 Spin-down time: 0.99 seconds
    [16:31:52] Starting Load/Eject Test
    [16:31:54] Eject time: 1.36 seconds
    [16:31:55] Load time: 1.06 seconds
    [16:32:03] 0:11 Recognition time: 8.28 seconds
     
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