Windows 7 black screen after log on

Martynt74

Martynt74

Martynt74

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Joined
20 Feb 2004
Posts
23,169
Location
Hondon de las Nieves, Spain
Something weird has happened. I switched my Windows 7 laptop on as normal and it got to the welcome screen and the. Just went black with the mouse curser in the middle.

I left it alone presuming it was just a little slow for once but after about 20 minutes it was still the same. I pressed Ctrl Alt Del and it loaded the menu up one for the task manager and nothing unusual seemed to be running. I then tried logging off and logging back in but the same thing happened.
I did ctrl alt del again and shut down the laptop. Restarted it again only for the same thing to happen. I restarted again but put it into safe mode this time which worked fine and loaded up as normal. Ran Avast thinking there might be gremlins at work but it found nothing.

Restarted again but just was met by the black screen. Other than loading up in safe mode again and trying a system restore is there anything I can try? I've not installed anything new recently and Remember shutting my laptop down normally last time I used it.
 
Sounds like malware? I got this once when dslzone was breached and injected with malware.
 
Might be something odd like your computer thinks its in dual screen mode? (although youd expect that the task manager would not appear on that screen)

Try loading up vga mode (hit f8 and select Enable low-resolution video (640×480)) to rule this out

Or right click on the desktop and click properties and see what it's reporting.

Just a guess though, could be a number of things.
 
Thanks guys.

Looked like explorer.exe is already running.

I can't right click as nothing comes up if I try. Only time I can see anything on the screen is either when it's on the welcome screen, on the lock screen or when it's showing the shutting down screen.

Seems when I shut down now it just stays on the shut down screen for ages and doesn't actually turn off. Perhaps there is something a little suspicious going on. Will try running avast at boot instead.

Looking in the system restore screen it seems a critical update was installed on Sunday (the last time it worked) maybe something has caused a conflict there.
 
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