If you’re having trouble accessing your Discover credit card account whether through www.discovercard.com login, the mobile app, or during password reset this comprehensive troubleshooting guide helps you identify issues and fix them quickly. 

1. Incorrect User ID or Password

This is the most common login problem.

✔ How to Fix:

• Double check spelling and capitalization

• Ensure Caps Lock isn’t on

• Re-enter your User ID 

• Make sure you aren’t using your email as the User ID

• Try typing manually instead of autofill
  
  

If still not working:

Click Forgot Password or Forgot User ID? on the login page and follow recovery steps.

2. Account Locked After Multiple Attempts

Discover temporarily locks accounts to prevent fraud.

✔ How to Fix:

• Wait 24 hours

• Reset your password

• Call Discover customer support to manually unlock

3. Verification Code Not Received

Verification codes are required for two-factor authentication (2FA).

✔ Solutions:

• Check your email spam or promotions folder

• Ensure your phone has signal and is not on airplane mode

• Confirm your registered phone number is correct

• Enable SMS permissions for the Discover app

• Try Resend Code
  
  

• Switch to email instead of phone
  
  

✔ If still not receiving:

Disable VPN or ad-blockers they sometimes block verification traffic.

4. Discover Mobile App Not Working

If the app is crashing, freezing, or failing to load:

✔ Fixes:

• Update the app to the latest version

• Restart your device

• Clear app cache (Android)

• Reinstall the Discover app

• Ensure you’re using the official app only

• Update your phone’s OS
  
  

✔ Network Fixes:

• Switch from Wi-Fi to mobile data or vice versa

• Turn Airplane Mode on and off

• Disable VPN

5. Website Not Loading 

This can be caused by browser issues or Discover server downtime.

✔ Try this:

• Refresh the page

• Check if Discover’s servers are down

• Use a different browser (Chrome, Firefox, Safari)

• Clear cookies and browser cache

• Disable browser extensions (especially ad blockers or VPN)

• Use incognito mode
  
  

If the site is globally down, you must wait until Discover restores it.

6. Your Session Has Expired Error

This happens when:

• You’re inactive for too long

• Security timers time out

• You’re using multiple tabs
  
  

✔ Fix:

• Close all Discover tabs

• Log in again from a single tab

• Do not use browser back button

• Ensure your internet connection is stable

7. App or Website Not Recognizing Your Device

When logging in from a new device, Discover may request extra verification.

✔ Fix:

• Complete 2-step verification

• Mark the device as Trusted

• Keep cookies enabled

• Enable device recognition in your browser
  
  

If login still fails, reset your password to re-sync device recognition.

8. Browser Issues Causing Login Errors

Often, outdated or incompatible browsers cause failed logins.

✔ Fixes:

• Update your browser

• Clear cookies & history

• Disable extensions temporarily

• Try incognito/private mode

• Switch to Chrome or Safari

9. Problems Resetting Password

If the password reset isn’t working:

✔ Ensure:

• User ID is correct

• SSN and Date of Birth match Discover records

• Verification code is correct and not expired
  
  

✔ Try these fixes:

• Use another browser

• Try resetting through the Discover Mobile App

• Ensure the link in your email has not expired
  
  

If none works, contact Discover support.

10. Discover App Login Freezes on Verification Screen

This usually happens due to poor network or app glitches.

✔ Try:

• Force close the app

• Restart the device

• Switch network (Wi-Fi/Data)

• Update or reinstall the app

11. Payment or Transaction Details Not Showing

✔ Fix:

• Pull down to refresh app dashboard

• Log out and log in again

• Check if your purchase is in Pending

• Use the website instead of the app
  
  

Sometimes bank processing delays cause this issue.

12. Unable to Redeem Rewards Due to Login Issues

Rewards redemption requires full account verification.

✔ Fix:

• Reset your password

• Enable 2-factor authentication

• Update your app

• Log in through the website and try again

13. Card Freeze/Unfreeze Not Working

This is a common mobile issue.

✔ Solutions:

• Ensure your app is updated

• Log out and back in

• Check internet connection

• Try freezing/unfreezing from the website

14. Detecting Account Fraud or Suspicious Activity

If Discover suspects unusual activity, your login may be blocked.

✔ Fix:

• Reset your password immediately

• Check recent transactions

• Enable stronger security alerts

• Contact Discover fraud department
  
  

15. General Tips for Avoiding Login Problems

✔ Use updated browsers

✔ Avoid public networks

✔ Keep Discover app updated

✔ Do not share login credentials

✔ Enable biometric login for convenience

✔ Enable two-factor authentication

These improve overall login speed and security.

When to Contact Discover Customer Support 

Contact Discover if:

• Your account is locked permanently

• You cannot verify your identity

• Fraud is suspected

• Password reset keeps failing

• Verification codes never arrive

• App login loops continuously
  
  

Discover Customer Service is available 24/7 on www.discovercard.com login.