Small cdcamera disk

I Have a rliance net conect then a massage show there is no disk in the drive please insert a disk into drive. Please show me how can I solve it.

When I select the scan for and attempt recovery of bad sectors then restart computer for checking, during the action almost in step 4 the checking stopped and I have to restart computer so can not complete the check disk what should have done?

I inserted a CD-RW to burn a copy of photos. The tray opens but there is no disk. The disk is stuck inside the drive. How can I retrieve it? Thanks, JKlopp

When booting computer, the screen goes blank with boot disk error. Please insert system disk

I inserted my portable hard disk in the usb drive and before opening scanned it for viruses.after about half the scan the scanning got stuck at one point.at that instant all programs became non responsive. I then removed my portable disk immediately.then all programs became responsive. But when I...