Computer: HP Envy Phoenix H9 1320a
Windows: 8.1
Hello I have a problem with my monitor after a cold boot since updating to windows 8.1. I can tell the system has booted up, but I have like a blank screensaver looking screen where I can not see anything being done in the background with mouse or keyboard eg: ctrl alt del. I am pretty sure these actions are working but behind the blank screen. I have done a clean install of the latest geforce 640gt video card, set the power plan to never turn off drives or display and unplugged & re plugged then checked all cable fittings are secure, I have dvi to dvi setup. I have reset the monitor with the side buttons. It only seems to be after a cold start, I notice if I do a restart when I am on the computer, it boots normal and I login with no problem. Thank you in advance and I hope you can assist with this problem as it is extremely annoying having to turn off the pc with the power button on the tower then re start that way until it shows my desktop as I feel this can't be good for the system.