How to screen record without lag on Windows
Short answer: lag happens when your PC cannot keep up with capturing and compressing every frame of the screen. A high resolution, 60 fps, a full disk or heavy apps running at the same time all make that harder. Use your graphics card’s hardware encoder, record at 1080p or 1440p instead of a 4K native size, choose 30 fps for slides and tutorials, close heavy apps, keep a laptop plugged in, and test a short clip before the real take.
Two kinds of lag
Lag shows up in two ways. In the first, the PC slows down while you record. The mouse stutters, windows redraw slowly, and the app you are showing feels sluggish. In the second, the PC feels fine, but the video comes out choppy: motion skips, scrolling jumps, and the cursor stutters on playback.
Both come from the same causes, so most of the fixes below help with both. They are listed from the biggest effect to the smallest.
Fixes, from biggest to smallest
1. Use the hardware encoder
Compressing video is the heaviest job while you record. Your graphics card has a chip built for it, called a hardware encoder. NVIDIA cards use NVENC, Intel graphics use Quick Sync, and AMD cards use AMF. When the recorder uses that chip, the processor has much less to do. A software option that compresses on the processor does the same job with more load, so avoid it when the hardware option is there.
Director saves its MP4 with your graphics card’s hardware encoder (NVIDIA NVENC, Intel Quick Sync or AMD AMF) automatically, so there is nothing to switch on.
2. Lower the resolution
Resolution is the number of pixels in each frame. A 4K monitor at its native size has four times the pixels of a 1080p screen, and every frame gets compressed. Pick the smallest size that keeps your text readable:
- Native, for the sharpest picture, if your PC can keep up.
- 1440p, for a good balance on a large monitor.
- 1080p, for most tutorials, demos and course videos.
- 720p, if the PC still struggles at the sizes above.
A smaller size also makes the file smaller, which helps when you upload it.
For the frame rate, see 30 vs 60 fps for screen recording.
3. Choose 30 or 60 fps
Frame rate is how many frames the recording saves each second. At 60 fps, fast scrolling and a moving cursor look smooth, but the PC handles twice as many frames as at 30 fps. When it cannot keep up, the frame rate drops and the video looks choppy.
Use 60 fps for long scrolling pages, fast window moves and cursor-heavy demos. Use 30 fps for slides, code and talking over a screen that barely changes. The PC has less work to do.
4. Keep a laptop plugged in on a performance power mode
On battery, Windows often limits the processor and the graphics card to save power. Plug in the charger before you start. Then open Settings > System > Power & battery and set Power mode to Best performance.
5. On laptops with two graphics chips, use High performance
Many laptops have a small built-in graphics chip and a stronger one. Windows can run an app on the weaker chip unless you tell it otherwise. Open Settings > System > Display > Graphics, select your screen recorder in the list, choose Options, and pick High performance. If the recorder is missing from the list, use Browse to add it first.
6. Close heavy apps and background work
Browser tabs, games and other heavy apps share the processor and memory with the recorder. Close what you do not need, and turn off pop-up notifications before a take so they do not land in the video. Pause big downloads and cloud syncing while you record, because they use the disk and the processor. If you want to see what is using the processor, open Task Manager and check the CPU column.
7. Free disk space and record to an SSD
Recordings are written to disk while you record. A nearly full drive, or a slow hard disk, can make the video stutter. Keep plenty of free space on the drive, and record to an SSD if your PC has one. Director saves recordings in your Videos folder.
8. Update the graphics driver
Newer drivers can fix problems with the hardware encoder. Download the latest driver from the website of whoever makes your graphics card: NVIDIA, Intel or AMD. Restart the PC after the install, then test again. Update when the recording still stutters after the other fixes.
Test before the real take
Record 30 seconds of what you will really show. Scroll a page, drag a window, type a few words and move the cursor quickly. In Director, press CtrlAltP to start and again to stop. Watch the clip full screen, because a small preview hides stutter.
Then change one setting at a time and record the same 30 seconds again. If you change three things at once, you will not know which one helped. Once a short clip is smooth, record the full take with those same settings, and do not change anything in the middle of it.
If the recording is smooth but the playback stutters
Sometimes the recording is fine and the stutter only appears when you play it back. The player, or the PC doing the playback, may be the problem, especially on an older computer. Try the MP4 in another player or on another device before you record again. Only re-record if the video itself looks choppy.
Related guides
To capture sound along with the picture, read how to screen record on Windows with audio. If you have two monitors, read how to record only one monitor.