I have a problem when i want to install Intel(HD) Graphisc driver.I use Intel HD Graphics installer for Linux and after 1 minute of installing come this error :
W:GPG error: https://download.01.org trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A902DDA375E52366, W:Failed to fetch http://repo.steampowered.com/steam/dists/precise/steam/i18n/Translation-en Error reading from server. Remote end closed connection [IP: 188.8.131.52 80] , E:Some index files failed to download. They have been ignored, or old ones used instead.
I have a Intel HD Graphics 4000