Question / Help Monitor Capture goes Black Screen

Niels

Niels

New Member
Hello,

I have downloaded OBS but already encountered a problem. Whenever I try to do a monitor capture it goes on a black screen and does not show my desktop. Everything else works fine like game capture or window capture for that matter but it won't capture my desktop (monitor) for some reason. Has anyone had this problem before? How to fix?

I see everyone having a problem with game capture but I cannot find anything related to monitor capture problem.

Thx in advance,
Logan
 
I'm having the same issue, capture results in blackscreen, but it's with game capture, not window capture.
Log:
Code: 
No Intel graphics adapter visible in QSVHelper.exe, Optimus problem?
18:30:09: CUDA loaded successfully
18:30:09: 2 CUDA capable devices found
18:30:09: [ GPU #0 - < GeForce GT 750M > has Compute SM 3.0, NVENC Available ]
18:30:09: [ GPU #1 - < GeForce GT 750M > has Compute SM 3.0, NVENC Available ]
18:30:38: =====Stream Start: 2015-07-13, 18:30:38===============================================
18:30:38:   Multithreaded optimizations: On
18:30:38:   Base resolution: 1920x1080
18:30:38:   Output resolution: 1280x720
18:30:38: ------------------------------------------
18:30:38: Loading up D3D10 on NVIDIA GeForce GT 750M (Adapter 1)...
18:30:38: ------------------------------------------
18:30:38: Audio Format: 48000 Hz
18:30:38: ------------------------------------------
18:30:38: Audio Channels: 2 Ch
18:30:38: Playback device Default
18:30:38: ------------------------------------------
18:30:38: Using desktop audio input: Speakers (Realtek High Definition Audio)
18:30:38: Global Audio time adjust: 0
18:30:38: ------------------------------------------
18:30:38: Using auxilary audio input: Microphone (Realtek High Definition Audio)
18:30:38: Mic time offset: 0
18:30:38: ------------------------------------------
18:30:38: Audio Encoding: AAC
18:30:38:     bitrate: 96
18:30:38: Using text output
18:30:38: Using text output
18:30:38: Using bitmap image
18:30:38: Using bitmap image
18:30:38: Using graphics capture
18:30:38: Trying to hook process: TriadWars.exe
18:30:38: Scene buffering time set to 700
18:30:38: ------------------------------------------
18:30:38: Video Encoding: x264
18:30:38:     fps: 30
18:30:38:     width: 1280, height: 720
18:30:38:     preset: veryfast
18:30:38:     profile: main
18:30:38:     keyint: 30
18:30:38:     CBR: yes
18:30:38:     CFR: yes
18:30:38:     max bitrate: 2500
18:30:38:     buffer size: 2500
18:30:38: ------------------------------------------
18:30:38: SharedTexCapture hooked
18:30:38: CLRHost:: Browser 4: Status message: 
18:30:39: CLRHost:: Browser 4: ----- PROMOTED! ----- @http://www.twitchalerts.com/scripts/alert-box3.min.js?101
18:42:54: Using graphics capture
18:42:54: Trying to hook process: ShooterGame-Win32-Shipping.exe
Warning -- GraphicsCaptureSource::AttemptCapture: Failed to inject library, error code = 5
18:43:53: FlushBufferedVideo: Flushing 583 packets over 19400 ms
18:44:12: Total frames encoded: 24415, total frames duplicated: 966 (3.96%)
18:44:12: Total frames rendered: 23167, number of late frames: 23 (0.10%) (it's okay for some frames to be late)
18:44:13: 
18:44:13: Profiler time results:
18:44:13: 
18:44:13: ==============================================================
18:44:13: video thread frame - [100%] [avg time: 2.647 ms] [children: 38.2%] [unaccounted: 61.8%]
18:44:13: | scene->Preprocess - [1.4%] [avg time: 0.037 ms]
18:44:13: | GPU download and conversion - [36.8%] [avg time: 0.974 ms] [children: 4.8%] [unaccounted: 32%]
18:44:13: | | flush - [4.46%] [avg time: 0.118 ms]
18:44:13: | | CopyResource - [0.227%] [avg time: 0.006 ms]
18:44:13: | | conversion to 4:2:0 - [0.113%] [avg time: 0.003 ms]
18:44:13: Convert444Threads - [100%] [avg time: 0.494 ms] [children: 99.2%] [unaccounted: 0.81%]
18:44:13: | Convert444toNV12 - [99.2%] [avg time: 0.49 ms]
18:44:13: encoder thread frame - [100%] [avg time: 1.137 ms] [children: 0.528%] [unaccounted: 99.5%]
18:44:13: | sending stuff out - [0.528%] [avg time: 0.006 ms]
18:44:13: ==============================================================
18:44:13: 
18:44:13: 
18:44:13: Profiler CPU results:
18:44:13: 
18:44:13: ==============================================================
18:44:13: video thread frame - [cpu time: avg 0.114 ms, total 2656.25 ms] [avg calls per frame: 1]
18:44:13: | scene->Preprocess - [cpu time: avg 0 ms, total 0 ms] [avg calls per frame: 1]
18:44:13: | GPU download and conversion - [cpu time: avg 0.043 ms, total 1015.63 ms] [avg calls per frame: 1]
18:44:13: | | flush - [cpu time: avg 0.039 ms, total 906.25 ms] [avg calls per frame: 1]
18:44:13: | | CopyResource - [cpu time: avg 0.002 ms, total 46.875 ms] [avg calls per frame: 1]
18:44:13: | | conversion to 4:2:0 - [cpu time: avg 0.001 ms, total 31.25 ms] [avg calls per frame: 1]
18:44:13: Convert444Threads - [cpu time: avg 0.707 ms, total 32734.4 ms] [avg calls per frame: 2]
18:44:13: | Convert444toNV12 - [cpu time: avg 0.704 ms, total 32609.4 ms] [avg calls per frame: 2]
18:44:13: encoder thread frame - [cpu time: avg 0.466 ms, total 11125 ms] [avg calls per frame: 1]
18:44:13: | sending stuff out - [cpu time: avg 0.004 ms, total 109.375 ms] [avg calls per frame: 1]
18:44:13: ==============================================================
18:44:13: 
18:44:13: =====Stream End: 2015-07-13, 18:44:13=================================================
 
OBS>Help>Log Files>Upload last Log File
Copy the link that you will see in a popup message and post it here.
Or select a needed log there before uploading it.

P.S. that works too. I see a laptop here. Make sure that OBS is running on the same video adapter as your game (would be the 880).
 
my laptop confuses me slightly, i have 2x nvidia in SLI and dont see any on-board adapter in device manager, but i still think maybe there is one? ive tried w/ sli on and off, same result
thanks in advance
 
On laptops you have to make sure that OBS is running on the same GPU as your source that you try to capture.
With SLI its tricky, there are a lot of guides and workarounds here in the forum. Just search for SLI.
 
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