# \[SOLVED\] Unknown issue with Photon EDIT: Photon cannot connect to cloud **URL:** \ **Category:** Troubleshooting\ **Created:** [January 21, 2016, 3:52am UTC](https://community.particle.io/t/solved-unknown-issue-with-photon-edit-photon-cannot-connect-to-cloud/19293 "2016-01-21T03:52:45Z")\ **Posts on this page:** 1\ **Showing post:** 12
**Author:** ![Moors7](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/moors7/32/588_2.png) [@Moors7](https://community.particle.io/u/Moors7)\ **Post date:** [January 21, 2016, 4:45pm UTC](https://community.particle.io/t/solved-unknown-issue-with-photon-edit-photon-cannot-connect-to-cloud/19293/12 "2016-01-21T16:45:40Z")
You might want to follow this for serial drivers: > [@Installing the USB Driver on Windows & Serial Debugging](https://community.particle.io/t/installing-the-usb-driver-on-windows-serial-debugging/882): > > NOTE: These steps are outdated and no driver is required for the latest Windows 10 !!! This installer will clean up old drivers and install a combined driver though if you’d like to try it: [https://github.com/particle-iot/windows-device-drivers/releases/tag/v6.1.0.68](https://github.com/particle-iot/windows-device-drivers/releases/tag/v6.1.0.68) Here are the steps I took to install my Spark Core or Photon USB Driver on Windows 7 / 8.1 pro when I could not find a device in Device Manager. Download the driver: [https://s3.amazonaws.com/spark-website/Spark.zip](https://s3.amazonaws.com/spark-website/Spark.zip) (unzip this … Just make sure you use the updated files where necessary. --- _[View the full topic](https://community.particle.io/t/solved-unknown-issue-with-photon-edit-photon-cannot-connect-to-cloud/19293)._