Common Issues and Troubleshooting Guide

Quick Diagnostic Process

When encountering problems, follow this standardized diagnostic process to quickly identify the root cause and find effective solutions. This process applies to all functional modules of Google Flash Image and Gemini Nano Banana.

Problem Identification

Accurately describe the problem symptoms

Record error messages

Screenshot the symptoms

Record operation steps

Note occurrence time

Environment Check

Check system and network environment status

Test network connection

Check browser version

Verify system compatibility

Check resource usage

Basic Troubleshooting

Execute common problem-solving steps

Refresh page

Clear cache

Restart browser

Try other browsers

Deep Analysis

Conduct more detailed problem analysis

Check console logs

Analyze network requests

Test different parameters

Compare with normal situations

Solution Implementation

Implement solutions based on analysis results

Execute fixes step by step

Verify solution effectiveness

Record solution process

Prevent similar issues

Categorized Common Issues Solutions

Connection and Network Issues

Cannot Connect to Server

Symptoms:

Page loading failure

Request timeout

Connection refused

Possible Causes:

Unstable network connection

Server maintenance

Firewall blocking

DNS resolution issues

Solutions:

Check network connection

Ensure device is connected to stable network, try accessing other websites to verify connection

Change network environment

Try using mobile hotspot or other network connections

Clear DNS cache

Run ipconfig /flushdns (Windows) or sudo dscacheutil -flushcache (Mac) in command line

Check firewall settings

Ensure firewall allows browser to access network

Image Upload Failure

Symptoms:

Upload progress stuck

File size error

Format not supported

Possible Causes:

File too large

Slow network speed

Unsupported file format

Insufficient server storage

Solutions:

Compress image files

Compress images to under 5MB while maintaining reasonable resolution

Convert file format

Ensure using supported formats: JPG, PNG, WebP

Upload in batches

Avoid uploading multiple large files simultaneously, process in batches

Generation Quality Issues

Poor Generated Image Quality

Symptoms:

Blurry images

Missing details

Color distortion

Poor composition

Possible Causes:

Insufficient prompt details

Improper parameter settings

Low quality reference images

Style conflicts

Solutions:

Optimize prompts

Add quality keywords: "high quality", "detailed", "sharp", "professional"

Adjust generation parameters

Increase resolution settings, adjust sampling steps and guidance strength

Use high-quality references

Choose clear, high-resolution reference images

Simplify style descriptions

Avoid mixing too many different styles in one prompt

Generated Results Don't Match Expectations

Symptoms:

Theme deviation

Style mismatch

Missing elements

Proportion imbalance

Possible Causes:

Ambiguous prompts

Improper keyword weights

Insufficient negative prompts

Misleading reference images

Solutions:

Rewrite prompts

Use more specific, clear descriptions, avoid vague expressions

Adjust keyword weights

Use parentheses to enhance important elements: (important element:1.2)

Add negative prompts

Clearly specify unwanted elements: "blurry, low quality, distorted"

Multiple generation attempts

Generate multiple versions, select the best result

Performance and Speed Issues

Generation Speed Too Slow

Symptoms:

Long waiting times

Progress bar stuck

Timeout errors

Possible Causes:

High server load

Complex prompts

High resolution settings

Network latency

Solutions:

Choose appropriate timing

Avoid peak hours, choose times when server load is lower

Simplify prompts

Reduce unnecessary modifiers, keep prompts concise and effective

Reduce resolution

Test with lower resolution first, increase resolution after confirming effects

Optimize network environment

Use wired connection or high-speed WiFi, close other bandwidth-consuming apps

Browser Performance Issues

Symptoms:

Slow page response

High memory usage

Browser crashes

Possible Causes:

Too much cache

Extension conflicts

Outdated browser version

Insufficient system resources

Solutions:

Clear browser cache

Regularly clear cache, cookies, and browsing history

Disable unnecessary extensions

Temporarily disable potentially conflicting browser extensions

Update browser

Ensure using the latest browser version

Restart browser

Completely close browser and reopen

Account and Permission Issues

Login Failure

Symptoms:

Password error prompt

Account locked

Verification code expired

Possible Causes:

Incorrect password input

Account security restrictions

Network connection issues

Browser cookie issues

Solutions:

Reset password

Use forgot password feature, reset password via email

Clear browser data

Clear cookies and local storage for the relevant website

Contact customer service

If problem persists, contact technical support team

Limited Function Access

Symptoms:

Some functions unavailable

Generation count limits

Advanced features locked

Possible Causes:

Account level restrictions

Usage quota exhausted

Subscription expired

Regional restrictions

Solutions:

Check account status

Check account level, remaining quota, and subscription status

Upgrade account

Consider upgrading to a higher service plan

Wait for quota reset

If quota limited, wait for next cycle reset

Preventive Maintenance Measures

Through regular preventive maintenance, you can significantly reduce the frequency of problems and improve system stability and user experience.

System Maintenance

Regular cache cleaning

Maintain browser performance

Weekly

Update browser

Get latest features and security fixes

Automatic updates

Check network status

Ensure stable connection

Before use

Usage Habits

Save important prompts

Avoid repetitive input

Save promptly

Backup generation results

Prevent data loss

After each generation

Monitor usage quota

Plan usage reasonably

Daily check

Security Protection

Use strong passwords

Protect account security

When setting up

Enable two-factor authentication

Enhance security

One-time setup

Regular password changes

Reduce security risks

Every 3 months

Emergency Contact and Support

When encountering problems that cannot be resolved independently, you can get professional technical support through the following channels.

Technical Support

Contact information for technical issues

Online Support

24/7

Email Support

Weekday response

Community Forum

User mutual help

Account Issues

Channels for account-related issues

Account Center

Self-service

Customer Hotline

Business hours

Security Team

Emergency situations

Feedback and Suggestions

Channels for product improvement and feature suggestions

Feedback Form

Submit anytime

User Research

Regular invitations

Product Roadmap

Open and transparent

Problem Resolution Checklist

Before contacting technical support, please confirm you have completed the following basic check steps:

✓ Refresh page and retry

✓ Clear browser cache

✓ Check network connection

✓ Try other browsers

✓ Confirm account status

✓ Record error messages