z9s crash occasionally and the screen freezes

Discussion in 'ZIDOO Z9S' started by jowindon, Mar 9, 2020.

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  1. jowindon

    jowindon New Member

    This device just made me crazy. It crashes sometimes when it was playing movies. To be specific, the TV screen just freezes, and the device reboot automatically after a while.
    Can anybody help me with this problem?
     
  2. Thanos

    Thanos Member

    - What is the format video? MKV / 2160 / HDR?

    Connection
    - Use a USB drive or Sata?
    - If you use USB, have you tried both USB 2.0 and 3.0? No difference ?
    - If it is an external disk, does it work on another device without a problem?
    (If you do not have the latest Firmware then I would recommend Update to the latest version https://www.zidoo.tv/Support/downloads.html which should have resolved some problems unmounting the disk on USB 3.0 level).
     
    Last edited: Mar 9, 2020
  3. jowindon

    jowindon New Member

    First of all, thank you for your replay.
    Format of the vedios: most are mp4 and MKV, and the resolutions are 2160p and 1080p, SDR.
    I used Samsung Portable SSD T5 drive through USB 3.0 and I can try it through USB 2.0 later.
    And here is the information of the videos I watched when Z9s Crashed several times during playing.
    ==========================================================================
    Complete name : Crash.Landing.on.You.S01E10.1080p.WEB-DL.H264.AAC-AppleTor.mp4
    Format : MPEG-4
    Format profile : JVT
    Codec ID : avc1 (isom/avc1)
    File size : 3.39 GiB
    Duration : 1 h 24 min
    Overall bit rate mode : Variable
    Overall bit rate : 5 763 kb/s
    Encoded date : UTC 2019-12-31 05:33:04
    Tagged date : UTC 2019-12-31 05:33:04

    Video
    ID : 3
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4
    Format settings : CABAC / 1 Ref Frames
    Format settings, CABAC : Yes
    Format settings, Reference frames : 1 frame
    Format settings, GOP : M=1, N=60
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 1 h 24 min
    Duration_FirstFrame : 67 ms
    Bit rate mode : Constant
    Bit rate : 5 500 kb/s
    Maximum bit rate : 8 931 kb/s
    Width : 1 920 pixels
    Height : 1 080 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 29.970 (30000/1001) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.089
    Stream size : 3.24 GiB (95%)
    Language : English
    Encoded date : UTC 2019-12-31 05:33:04
    Tagged date : UTC 2019-12-31 05:33:04
    Codec configuration box : avcC

    Audio
    ID : 4
    Format : AAC LC
    Format/Info : Advanced Audio Codec Low Complexity
    Codec ID : mp4a-40-2
    Duration : 1 h 24 min
    Bit rate mode : Variable
    Bit rate : 258 kb/s
    Channel(s) : 2 channels
    Channel layout : L R
    Sampling rate : 48.0 kHz
    Frame rate : 46.875 FPS (1024 SPF)
    Compression mode : Lossy
    Stream size : 154 MiB (4%)
    Language : English
    Encoded date : UTC 2019-12-31 05:33:04
    Tagged date : UTC 2019-12-31 05:33:04

    Other #1
    ID : 1
    Type : Object description
    Format : System
    Codec ID : mp4s-01
    Duration : 1 ms
    Language : English
    Encoded date : UTC 2019-12-31 05:33:04
    Tagged date : UTC 2019-12-31 05:33:04

    Other #2
    ID : 2
    Type : Scene description
    Format : System
    Codec ID : mp4s-01
    Duration : 1 ms
    Language : English
    Encoded date : UTC 2019-12-31 05:33:04
    Tagged date : UTC 2019-12-31 05:33:04
    ===========================================================
     
  4. Thanos

    Thanos Member

    - I don't know your HDD, but it may be a problem with the disk controller and your device.
    - On USB 3.0 I also noticed crashes and reboots, unmounting the drive, but part was fixed in the new Firmware.
    (I have the same problem when i want to copy a file from a device in USB 3.0 to Sata, or extern USB HDD in a USB 2.0 port, either disconnect or restart the box. Some issues have been fixed in the new update ).

    - After the new FMW, the HDD only disconnects when I copy something from the disk or USB key from the USB 3.0 port, probably because of the high bandwitch, but I still have problems or occasional anomalies on USB 3.0), but in your case (5 763 kb/s) it is very low bitrate .
    - If everything on the USB 2.0 interface will work without a problem, then you will need to use this port, or on the USB 3.0 interface try other HDDs.


    Summary :
    1) Use USB 2.0 for better stability ( USB 2.0 It’s fast enough for most movies even in 4K)
    2) Try other HDDs
    3) Make the best use of the latest Firmware version for your box. (Firmware V2.3.10 for dowload)

    In some cases, a problem may be caused by some corrupted file on your HDD or its format --
    try running the same movie from that Samsung HDD on your PC if it encounters a problem.
    (I format and I use a format of 4096 octect / 4Kilo - bytes for my external HDSs.)
     
    Last edited: Mar 10, 2020
  5. jowindon

    jowindon New Member

    i
    I've updated the FMW to the latest version, and the device works well at the moment. Maybe the problem has solved.
    Thanks.
     

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