I have a prebuilt HP computer that I have upgraded the video card and PSU computer is only about a year old. Just recently I have been getting random shutdown and reboot, there is no blue screen or error when it reboots. It does it at random times watching movie, browsing internet, playing...
bcdboot
black screen
boot issues
command prompt
continuousloop
driver updates
error fix
hard restart
hp computer
mbr repair
post screen
psu
reboots
shutdown
system restore
troubleshooting
upgrade
video card
virus scan
windows 7