Most likely cause: wrong credentials or Caps Lock
- Make sure Caps Lock is off
- Retype your User ID and password carefully
- If you saved your password in a browser or password manager, confirm it matches your current password
Your browser is outdated
Your browser is outdated
Discover requires a modern, supported browser. If you see a message saying your browser is out of date, update to the latest version of Chrome, Safari, Firefox, or Edge, then try again.
You are using a VPN or proxy
You are using a VPN or proxy
VPNs and proxies can sometimes trigger security blocks. Temporarily disable your VPN or proxy, then attempt to log in directly.
The site is undergoing maintenance
The site is undergoing maintenance
Occasionally, Discover performs scheduled maintenance. If the site loads but login fails with a generic error, wait a few minutes and try again. You can also check the Discover website for any service notices.
Your account is not registered for online access
Your account is not registered for online access
If you have never registered your card for online account access, you will need to enroll first. See Register Your Online Account for steps.
The mobile app needs an update
The mobile app needs an update
On the Discover mobile app, an outdated version can cause sign-in failures. Update the app through the App Store or Google Play, then try logging in again. If issues persist, you can also sign in through your mobile browser at discover.com.
If that did not work
If you still cannot log in after trying the steps above:- Try a different device or network (for example, switch from Wi-Fi to mobile data)
- Make sure you are using the official Discover site or official app
- Call the customer service number printed on the back of your Discover card, or visit the official Discover contact page at discover.com
This Knowledge Desk is an independent guide and is not affiliated with Discover. Always log in only at the official site, https://www.discover.com, or the official Discover mobile app.