<p>After starting Premiere, playback works fine, but if I edit the timeline and move the current time indicator, the program display either goes dark or gets stuck on a frame and will not play. 
<a href="https://i.sstatic.net/VmYvQ.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/VmYvQ.png" alt="enter image description here"></a>
<a href="https://i.sstatic.net/GRlxl.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/GRlxl.png" alt="enter image description here"></a></p>

<p>I have 12 GB of memory but Premiere never uses more than 4 GB, however when editing it uses 100% CPU. This is an Asus laptop with a 5th generation low voltage Core i7-5500 processor, and Intel(R) HD Graphics 5500 and NVIDIA GeForce 840M graphics cards. What can I do to fix this problem? This is a much better spec laptop than my old one and I've never had anything like this happen before.</p>

CC BY-SA 3.0
2015-08-08T19:18:19.193Z
I had issues similar to this which I tracked down to a memory issue with a prores codec. I had 16GB and when I went to 32GB the the issue stopped. Are you using third-party prores codec?
integris
CC BY-SA 3.0
2015-08-08T19:21:39.163Z
You might try transcoding several of your clips into DNxHD in a fresh project and see if the issue goes away. QT on PC is 32bit only.
integris
CC BY-SA 3.0
2015-08-11T15:18:00.467Z
What is the codec of your source video? Do you have hardware acceleration (Mercury Playback Engine) turned on in Premiere?
Nate Barbettini
<premiere><playback><cs6>
Why won't the Premiere CS6 timeline playback after edits?
Emily
# Why won't the Premiere CS6 timeline playback after edits?

(Asked by: username_0 on 2015-08-08)

After starting Premiere, playback works fine, but if I edit the timeline and move the current time indicator, the program display either goes dark or gets stuck on a frame and will not play.
[![enter image description here](https://i.sstatic.net/VmYvQ.png)](https://i.sstatic.net/VmYvQ.png)
[![enter image description here](https://i.sstatic.net/GRlxl.png)](https://i.sstatic.net/GRlxl.png)

I have 12 GB of memory but Premiere never uses more than 4 GB, however when editing it uses 100% CPU. This is an Asus laptop with a 5th generation low voltage Core i7-5500 processor, and Intel(R) HD Graphics 5500 and NVIDIA GeForce 840M graphics cards. What can I do to fix this problem? This is a much better spec laptop than my old one and I've never had anything like this happen before.

**Tags:** premiere, playback, cs6

> **Comments:**
> **username_1**: I had issues similar to this which I tracked down to a memory issue with a prores codec. I had 16GB and when I went to 32GB the the issue stopped. Are you using third-party prores codec?  
> **username_1**: You might try transcoding several of your clips into DNxHD in a fresh project and see if the issue goes away. QT on PC is 32bit only.  
> **username_2**: What is the codec of your source video? Do you have hardware acceleration (Mercury Playback Engine) turned on in Premiere?  

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## 0 answers

