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11
votes
7answers
44k views

How can I make my screen blank by a shortcut?

I'd like a shortcut that makes the screen go to a black screen immediately, without turning any power off, or even putting it to sleep. What ways can I do that? How more efficient the solution is ...
6
votes
7answers
2k views

Black Screen when Computer Boots

I'm having a serious problem with my computer; I think I've narrowed it down to the motherboard, but I'd like a second opinion before I spend the money. I have no idea what's wrong. Before I moved ...
2
votes
2answers
2k views

Why does my Samsung Chronos 7 not boot anymore after installing Ubuntu?

I was just installing ubuntu on my new samsung chronos 7 NP700Z3C, the laptop was stucked at booting ubuntu so I pushed shutdown button for 5 seconds and turned it off. Now it does not boot. It just ...
0
votes
1answer
555 views

Often My Laptop Doesn't Work: Only Shows Blank Screen With the Cursor Flashing

My rather old Dell C840 started behaving strangely. When I try to start it up, it doesn't do anything, just shows a blank screen with the cursor flashing. It has nothing to do with booting. It doesn't ...
0
votes
2answers
4k views

Windows 7 suddenly boots to a shiny blank screen on a Lenovo T410

Suddenly, my Lenovo T410 started booting into a blank screen. However, the computer seems to be otherwise working quite normally. When the computer is started, BIOS splash screen shows up, Windows ...