critical service

Infopackets Reader Anne F. writes: " Dear Dennis, After a Windows Update, my laptop rebooted and then displayed a blue screen of death (BSOD) with the error message CRITICAL SERVICE FAILED. After that, the computer reboots and goes into a continuous ... loop -- I am not able to get into Windows at all. I used various repair discs and managed to gotten rid of the CRITICAL SERVICE FAILED message, but now my computer boots into a black screen with the message No Operating System Found. When I use one of the downloaded repair disks, I see my C drive and Windows 8 is still on there, so I don' ... (view more)