Question / Help Game capture black screen. . .

[Mushie]

Hello.
Yesterday i switched from W7 to W8 and now I can't use OBS for recording LoL anymore. I do use a laptop and I do have 2 graphic card BUT both programs ARE running on nVidia. I've also tried running these programs on administrator mode and went trough the settings and stuff... however I still get a black screen when trying to capture the gameplay.
I've also tried the log analyzer which I'll post here too:

Spoiler: log

18:24:16: CUDA loaded successfully
18:24:17: 1 CUDA capable devices found
18:24:17: [ GPU #0 - < GeForce GT 740M > has Compute SM 3.0, NVENC Available ]
18:26:09: Open Broadcaster Software v0.624b - 64bit (　^ω^)
18:26:09: -------------------------------
18:26:09: CPU Name: Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz
18:26:09: CPU Speed: 2395MHz
18:26:09: Physical Memory: 3981MB Total, 1903MB Free
18:26:09: stepping id: 9, model 58, family 6, type 0, extmodel 1, extfamily 0, HTT 1, logical cores 8, total cores 4
18:26:09: monitor 1: pos={0, 0}, size={1366, 768}
18:26:09: Windows Version: 6.2 Build 9200
18:26:09: Aero is Enabled
18:26:09: -------------------------------
18:26:09: OBS Modules:
18:26:09: Base Address Module
18:26:09: 00000000EA120000 OBS.exe
18:26:09: 00000000D2310000 OBSApi.dll
18:26:09: 00000000D9500000 DShowPlugin.dll
18:26:09: 00000000D9400000 GraphicsCapture.dll
18:26:09: 00000000D9000000 NoiseGate.dll
18:26:09: 00000000D7BA0000 PSVPlugin.dll
18:26:09: ------------------------------------------
18:26:09: Adapter 1
18:26:09: Video Adapter: Intel(R) HD Graphics 4000
18:26:09: Video Adapter Dedicated Video Memory: 33554432
18:26:09: Video Adapter Shared System Memory: 1845493760
18:26:09: Video Adapter Output 1: pos={0, 0}, size={1366, 768}, attached=true
18:26:09: ------------------------------------------
18:26:09: Adapter 2
18:26:09: Video Adapter: NVIDIA GeForce GT 740M
18:26:09: Video Adapter Dedicated Video Memory: 2085482496
18:26:09: Video Adapter Shared System Memory: 2087575552
18:26:09: =====Stream Start: 2014-05-23, 18:26:09===============================================
18:26:09: Multithreaded optimizations: On
18:26:09: Base resolution: 1366x768
18:26:09: Output resolution: 1364x768
18:26:09: ------------------------------------------
18:26:09: Nvidia optimus detected, second adapter selected, ignoring useless second adapter, I guess.
18:26:09: Loading up D3D10 on Intel(R) HD Graphics 4000 (Adapter 1)...
18:26:09: ------------------------------------------
18:26:09: Audio Format: 48000 Hz
18:26:09: ------------------------------------------
18:26:09: Audio Channels: 2 Ch
18:26:09: Playback device {0.0.0.00000000}.{dc764cb3-1778-4fcc-bf1c-f9e1cd0be753}
18:26:09: ------------------------------------------
18:26:09: Using desktop audio input: Speakers (Siberia V2 Illuminated)
18:26:09: Global Audio time adjust: 0
18:26:09: ------------------------------------------
18:26:09: Using auxilary audio input: Microphone (Siberia V2 Illuminated)
18:26:09: Mic time offset: 0
18:26:09: ------------------------------------------
18:26:09: Audio Encoding: AAC
18:26:09: bitrate: 128
18:26:09: Using graphics capture
18:26:09: Using Window Capture
18:26:09: Using Window Capture
18:26:09: Using bitmap image
18:26:09: Using anti-cheat hooking for game capture
18:26:09: Scene buffering time set to 700
18:26:09: ------------------------------------------
18:26:09: Video Encoding: x264
18:26:09: fps: 30
18:26:09: width: 1364, height: 768
18:26:09: preset: veryfast
18:26:09: profile: main
18:26:09: keyint: 60
18:26:09: CBR: yes
18:26:09: CFR: yes
18:26:09: max bitrate: 1500
18:26:09: buffer size: 1500
18:26:09: ------------------------------------------
18:26:21: Trying to hook process: League of Legends.exe
18:26:33: SharedTexCapture hooked
18:27:33: Total frames encoded: 2489, total frames duplicated: 50 (2.01%)
18:27:33: Total frames rendered: 2447, number of late frames: 3 (0.12%) (it's okay for some frames to be late)
18:27:33:
18:27:33: Profiler time results:
18:27:33:
18:27:33: ==============================================================
18:27:33: video thread frame - [100%] [avg time: 2.792 ms] [children: 45.9%] [unaccounted: 54.1%]
18:27:33: | scene->Preprocess - [37.1%] [avg time: 1.035 ms]
18:27:33: | GPU download and conversion - [8.85%] [avg time: 0.247 ms] [children: 5.05%] [unaccounted: 3.8%]
18:27:33: | | flush - [2.33%] [avg time: 0.065 ms]
18:27:33: | | CopyResource - [2.4%] [avg time: 0.067 ms]
18:27:33: | | conversion to 4:2:0 - [0.322%] [avg time: 0.009 ms]
18:27:33: Convert444Threads - [100%] [avg time: 2.022 ms] [children: 99.3%] [unaccounted: 0.692%]
18:27:33: | Convert444toNV12 - [99.3%] [avg time: 2.008 ms]
18:27:33: encoder thread frame - [100%] [avg time: 2.506 ms] [children: 0.2%] [unaccounted: 99.8%]
18:27:33: | sending stuff out - [0.2%] [avg time: 0.005 ms]
18:27:33: ==============================================================
18:27:33:
18:27:33:
18:27:33: Profiler CPU results:
18:27:33:
18:27:33: ==============================================================
18:27:33: video thread frame - [cpu time: avg 1.13 ms, total 2765.63 ms] [avg calls per frame: 1]
18:27:33: | scene->Preprocess - [cpu time: avg 0.146 ms, total 359.375 ms] [avg calls per frame: 1]
18:27:33: | GPU download and conversion - [cpu time: avg 0.153 ms, total 375 ms] [avg calls per frame: 1]
18:27:33: | | flush - [cpu time: avg 0.038 ms, total 93.75 ms] [avg calls per frame: 1]
18:27:33: | | CopyResource - [cpu time: avg 0.051 ms, total 125 ms] [avg calls per frame: 1]
18:27:33: | | conversion to 4:2:0 - [cpu time: avg 0 ms, total 0 ms] [avg calls per frame: 1]
18:27:33: Convert444Threads - [cpu time: avg 1.976 ms, total 9578.13 ms] [avg calls per frame: 2]
18:27:33: | Convert444toNV12 - [cpu time: avg 1.973 ms, total 9562.5 ms] [avg calls per frame: 2]
18:27:33: encoder thread frame - [cpu time: avg 2.063 ms, total 5093.75 ms] [avg calls per frame: 1]
18:27:33: | sending stuff out - [cpu time: avg 0.006 ms, total 15.625 ms] [avg calls per frame: 1]
18:27:33: ==============================================================
18:27:33:
18:27:33: =====Stream End: 2014-05-23, 18:27:33=================================================
18:30:19: =====Stream Start: 2014-05-23, 18:30:19===============================================
18:30:19: Multithreaded optimizations: On
18:30:19: Base resolution: 1366x768
18:30:19: Output resolution: 1364x768
18:30:19: ------------------------------------------
18:30:19: Nvidia optimus detected, second adapter selected, ignoring useless second adapter, I guess.
18:30:19: Loading up D3D10 on Intel(R) HD Graphics 4000 (Adapter 1)...
18:30:19: ------------------------------------------
18:30:19: Audio Format: 48000 Hz
18:30:19: ------------------------------------------
18:30:19: Audio Channels: 2 Ch
18:30:19: Playback device {0.0.0.00000000}.{dc764cb3-1778-4fcc-bf1c-f9e1cd0be753}
18:30:19: ------------------------------------------
18:30:19: Using desktop audio input: Speakers (Siberia V2 Illuminated)
18:30:19: Global Audio time adjust: 0
18:30:19: ------------------------------------------
18:30:19: Using auxilary audio input: Microphone (Siberia V2 Illuminated)
18:30:19: Mic time offset: 0
18:30:20: ------------------------------------------
18:30:20: Audio Encoding: AAC
18:30:20: bitrate: 128
18:30:20: Using graphics capture
18:30:20: Using Window Capture
18:30:20: Using Window Capture
18:30:20: Using bitmap image
18:30:20: Using anti-cheat hooking for game capture
18:30:20: Scene buffering time set to 700
18:30:20: ------------------------------------------
18:30:20: Video Encoding: x264
18:30:20: fps: 30
18:30:20: width: 1364, height: 768
18:30:20: preset: veryfast
18:30:20: profile: main
18:30:20: keyint: 60
18:30:20: CBR: yes
18:30:20: CFR: yes
18:30:20: max bitrate: 1500
18:30:20: buffer size: 1500
18:30:20: ------------------------------------------
18:30:57: Trying to hook process: League of Legends.exe
18:31:06: SharedTexCapture hooked
18:32:56: SharedTexCapture hooked
18:33:23: Exit signal received, terminating capture

All in all, I really can't tell what's going wrong. ._.
[ uh I donno how to disable aero in w8, sorry D: ]

 

[Krazy]

You made sure to add BOTH the 32 and 64 bit OBS exe to the NVIDIA control panel and set them to use the performance adapter?

Alternatively, just set the Global 3D settings profile to throw everything on to your NVIDIA GPU.

(You can't disable Aero in Windows 8)

 

[Mushie]

Yup, I did. First thing I did after I installed both of them was going to the NVIDIA control panel and set Global 3D. :/ I also thought it might be a problem with the Windows Defender program so I excluded these 2 from its runs or whatever it is doing.

 

[Mushie]

Well, nevermind. I fixed it somehow. Thanks for the help anyway. :)