If Teachme Biz displays a white screen, please check the following.
Check if you are using a browser outside the recommended environment
When using a browser outside the recommended environment, the screen may appear completely white.
Please refer to the following article for information on recommended environments.
Supported Devices & OS - Recommended Environment List
Check and update your browser version
If your browser version is outdated, Teachme Biz may not display correctly. Please check your browser version and update it from your browser settings.
- Google Chrome: Settings > About Chrome
- Microsoft Edge: Settings > About Microsoft Edge
- Safari: Apple menu > General > Software Update
Related: Teachme Biz Supported Devices & OS - Recommended Environment List
https://help.teachme.jp/hc/en-us/articles/14572215297305
Enable JavaScript
If JavaScript is restricted, Teachme Biz may not display correctly. Please enable JavaScript from your browser settings.
- Google Chrome: Settings > Privacy and Security > Site Settings > JavaScript
- Microsoft Edge: Settings > Cookies and site permissions > JavaScript
- Safari: Preferences > Security > Enable JavaScript
Check browser extensions
Some extensions may interfere with JavaScript functionality. If JavaScript does not work, Teachme Biz may not display correctly. Please turn off extensions from your browser settings.
- Google Chrome: Settings > Extensions > Manage Extensions
- Microsoft Edge: Settings > Extensions
- Safari: Settings > Extensions
Network and security software settings
The network or security software used within your organization may be blocking access to Teachme Biz. Please check with your IT department to confirm that access to Teachme Biz is permitted.
Related: What URLs and ports should be allowed for communication to access Teachme Biz?
https://help.teachme.jp/hc/en-us/articles/900005507666