Technical Issues

Crashes, display issues, GPU, background processes, file import errors

I can't import my 3D file
If you're unable to import a 3D file into Lychee Slicer, try the following: 1. Check the file format is supported Lychee Slicer supports a range of ...
Thu, 4 Jun, 2026 at 4:22 PM
My printer doesn't recognize the sliced file
If your printer can't read or open the sliced file exported from Lychee Slicer, there are a few possible causes: 1. USB stick or SD card issue The m...
Thu, 4 Jun, 2026 at 4:24 PM
Linux AppImage — Authentication Issue
When using the AppImage version of Lychee Slicer, the lycheeslicer:// URL protocol is not registered automatically. This prevents the authentication flow fr...
Fri, 5 Jun, 2026 at 3:38 PM
Lychee Slicer Window Is Cut Off or Not Fully Displayed
If the Lychee Slicer window is partially cut off, the top, bottom, or sides are outside your screen and you can't move the window back into view, the ca...
Thu, 11 Jun, 2026 at 3:47 PM
Program window running but not displaying (Windows / MacOS)
What to do if Lychee Slicer is open (visible in the taskbar/dock) but the window itself isn't showing on screen If Lychee Slicer appears to be runni...
Fri, 11 Sep, 2026 at 2:49 PM
How to report a bug?
What to include when reporting a bug so our team can investigate quickly If you come across a bug in Lychee Slicer, please send us the following: Your...
Fri, 11 Sep, 2026 at 3:03 PM
I can't see any printers (only the Free Zone is available)
Why the printer list might be missing, and how to fix it This happens when Lychee Slicer is prevented from downloading the list of printers from our ser...
Fri, 11 Sep, 2026 at 3:05 PM
Missing 3D printers and resins
How to recover your printer list and resin settings if they appear to have disappeared If you open Lychee Slicer and notice your 3D printer list or resi...
Fri, 11 Sep, 2026 at 3:08 PM
My printer does not read/recognise the file
Why your printer might not read a file, or freeze mid-print, and how to fix it An issue with the USB key The probable cause is usually a corrupted USB ...
Fri, 11 Sep, 2026 at 3:17 PM
Resetting the cloud data
Restoring Lychee Slicer's cloud-synced settings to their factory defaults Resetting your cloud data reverts settings stored in the cloud, your prefe...
Fri, 11 Sep, 2026 at 3:20 PM