Num1cboysfn Well, yes, that’s the problematic thing so try AAC instead of E-AC-3.
Generally, so far, your description of the problem amounts to your going to a car mechanic and saying “on some roads it works, on some roads it doesn’t; but when I ride a bike on those roads, the bike works all the time…” How is a mechanic supposed to guess what’s wrong with the car without even seeing the car?
You need specifics of the media you’re trying to play, as in full mediainfo listing like:
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 4 frames
Format settings, GOP : M=2, N=119
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 45 min 37 s
Bit rate : 10.4 Mb/s
Width : 1 916 pixels
Height : 1 076 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (23976/1000) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.210
Stream size : 3.30 GiB (96%)
Title : Core Media Video
Language : English
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : avcC
Audio
ID : 3
Format : AC-3
Format/Info : Audio Coding 3
Commercial name : Dolby Digital
Codec ID : ac-3
Duration : 45 min 37 s
Bit rate mode : Constant
Bit rate : 384 kb/s
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossy
Stream size : 125 MiB (4%)
Title : Core Media Audio
Language : English
Service kind : Complete Main
Default : Yes
Alternate group : 1
and a detailed description of how exactly it is that you’re “playing” “it” (think you’re describing how to play to someone over the phone and they have literally no visual aids and they have to get the thing to work!), and I mean all details: plex, via network, or with a stick, or with a DP/HDMI cable via a computer, or telepathically, or by simply looking at the screen and expecting it to work?.. C’mon, you want help, but you’re not giving anything to go on other than “it’s not working”… and people get pissed off when L1 support comes back with “have you tried switching it off and back on?”… 🙄