A novice user wants to know why his computer appears to go black after using it except for a mouse cursor. We believe the issue is related to Windows updates or a backlight issue. Is it safe to leave a laptop plugged in all the time? Also we tell you the proper way to turn off your computer (no, it's actually a bad idea to hold down the power button!) A Mac user tries to send photos embedded in an e-mail; we suggest sending the photos as an attachment. A Windows 8 user has problems with his Internet connection his laptop. We suggest changing DNS settings to OpenDNS can help, or also changing his network adapter. An AOL user has trouble sending e-mail to a SNET e-mail address; we discuss possible solutions. A user with a very old computer running Quicken wants to get a newer computer. We offer some recommendations. A listener has "blue screen" issues with Windows 10; we offer suggestions on how to troubleshoot the issue using a "clean boot."