Update: unfortunately, yesterday the problem appeared again.
I enabled the ‘hdmi_safe=1’ option in config.txt and it seems to keep working good now.
More info about configuring the Pi are over here: http://elinux.org/RPiconfig
Necessary and Functional
These cookies are placed to make it possible to analyze this website (with Google Analytics) and optimize for the purpose of a.o. the usability.
Cookie names: _ga, _gat, _gid
These cookies are placed to show advertisements (of Google AdSense) and to get these close to your interest.
Cookie names: id, IDE, FLC, DSID, SNID, NID
These cookies are required to show the cookie notification bar, remember your cookie acceptance choice and apply this choice.
Cookie names: privacy_embeds, wpca_consent, woocommerce_cart_hash, woocommerce_items_in_cart, wp_woocommerce_session_, wp-settings-1, wp-settings-time-1