Zalo PC Version Troubleshooting
Startup Issues
- Unable to start: Reinstall or download the latest version from Zalo official website
- Slow startup: Close other resource-intensive programs
- White screen: Update graphics card driver
Message Issues
- Messages not syncing: Log in again or restart Zalo
- Images not displaying: Clear cache and try again
- File sending failed: Check file size and network
Call Issues
- No sound: Check audio device settings
- Video black screen: Check camera permissions