-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Printers
- Printer Setup, Software & Drivers
- HP Smart does not recognize Envy 6400

Create an account on the HP Community to personalize your profile and ask a question
08-27-2024 08:10 AM
Hi @Rosemud,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
If HP Smart is not recognizing your HP Envy 6400 series printer and you're seeing an orange/yellow triangle with an exclamation mark, it indicates that there’s an issue with the printer connection or setup. Here’s a step-by-step guide to troubleshoot and resolve the problem:
Troubleshooting Steps
1. Check Printer and Connection
Ensure Printer is On:
- Make sure your HP Envy 6400 is turned on and ready. Check the printer's control panel for any error messages or warning lights.
Check Connectivity:
- Confirm that the printer is properly connected to the network (if using Wi-Fi) or to the PC (if using USB). For Wi-Fi, make sure the printer is connected to the same network as your PC.
2. Restart Devices
Restart Printer:
- Turn off the printer, wait for about 30 seconds, and then turn it back on.
Restart PC:
- Reboot your computer to refresh its network settings and connections.
3. Update HP Smart App
- Check for Updates:
- Ensure you have the latest version of the HP Smart app. Update the app through the app store on your device:
- Windows: Go to the Microsoft Store, search for HP Smart, and update if needed.
- macOS: Open the Mac App Store, find HP Smart, and update it.
- Mobile Devices: Update through the Google Play Store (Android) or Apple App Store (iOS).
- Ensure you have the latest version of the HP Smart app. Update the app through the app store on your device:
4. Check Printer Installation
- Reinstall HP Smart:
- Uninstall and then reinstall the HP Smart app to resolve any potential software issues.
- Windows/macOS: Go to Control Panel or Applications, uninstall HP Smart, and then reinstall it from the HP Smart website or the appropriate app store.
- Mobile Devices: Uninstall HP Smart from your device and reinstall it from the app store.
- Uninstall and then reinstall the HP Smart app to resolve any potential software issues.
5. Add Printer Manually
- Manually Add Printer:
- Try adding the printer manually within the HP Smart app.
- Open HP Smart and click Add Printer.
- Follow the prompts to search for and select your HP Envy 6400.
- Try adding the printer manually within the HP Smart app.
6. Check Printer Software and Drivers
Update Printer Drivers:
- Ensure you have the latest drivers for your HP Envy 6400 installed.
- Windows: Go to Device Manager, find your printer under Printers, right-click it, and select Update driver.
- macOS: Check for driver updates in System Preferences > Printers & Scanners.
Download Software from HP:
- Visit the HP Support website and download the latest software for the HP Envy 6400 series.
7. Check Network Connection
- If using Wi-Fi, make sure the printer is connected to your Wi-Fi network. You can print a network configuration page from the printer’s control panel to check its network settings.
- If you’re using Wi-Fi Direct, ensure that the feature is enabled on both your printer and PC.
8. Perform Printer Reset
- Perform a factory reset on your HP Envy 6400 to clear any potential configuration issues.
- Navigate to Settings on the printer control panel, find Printer Maintenance, and select Restore Factory Defaults.
9. Check for Firmware Updates:
- Ensure your printer’s firmware is up to date. You can check for updates through the HP Smart app or on the HP Support website
I hope this helps.
Take care and have a good day.
Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.
Rachel571
HP Support
Sneha_01- HP support