![]() A can of compressed air can dislodge stubborn dirt. ![]() Use a vacuum to suck up obvious dust (avoiding internal cables, of course). Overheating can often be solved by opening your PC and cleaning out the cobwebs. If the processor has overheated, the black screen will usually prompt a reboot or automatic shutdown of the PC. As noted, you should suspect the video card if you receive a black screen when the computer otherwise appears to be working (the fans are on, the hard drive light is active, etc). In many cases, overheating is caused by the video card or the processor. Overheating will usually result in a featureless black computer screen, which may or may not be followed by a restart. Fortunately, computers are built to shut down before that occurs. This heat must be removed to keep the system running high temperatures can cause components to lock up and become damaged. Your Windows black screen error could be down to the motherboard, the power supply, or the hard drive.Īll computers generate heat. If the monitor does work with another PC, but not with yours, then you're probably looking at a hardware fault elsewhere that impacts the video card's ability to work. Check it by connecting to another computer. Should the monitor not work when connected to integrated graphics, however, you may have a monitor issue. Also check the video card for obvious signs of defect, like a broken cooling fan or charred electronics. If you recently did that, revert to an old driver. Try updating to the latest video driver on Windows. If you have a discrete video card, try removing your card and switching to your motherboard's integrated video.ĭoes your monitor work? Then the video card is the problem. If these easy solutions don't work, you're likely dealing with video adapter issues. Some versions of DVI and HDMI can't handle resolutions above 1080p. Also a friend of mine said take off the battery and put it back in, it might work.Did you just upgrade your monitor? If so, make sure your connection can handle the resolution. I think that the monitor connector might got off or something like that but i don’t want to open my computer and try to fix stuff without being sure of the actual problem. I can’t see anything on safe boot, just a gray screen, exactly like what happens when I normal boot. After a while it said your computer has no problems, and i tried to get it to safe boot. I tried the Internet Recovery (Cmd+D if im not mistaken) and it showed in the external monitor the world icon and i entered my wifi there and so on. When I’m in the computer, the mouse is visible in the external monitor but i cant click, click and drag, right click and there is no top bar and bottom bar. When logging in i didnt see my icon and password bar, the external screen just shows the background. I connected my Macbook to an external monitor via HDMI and the external screen shows Mojave background, and when I enter my password and press enter it shows the background of my 1.st desktop, not the background of the external monitor. (The outside of the surface and the screen is distiunguishible, the screen is like a black light.) The backlight of keys work properly. I can adjust the brigthness and the backlight will change colors from black to nothing. The problem is the backlight is turned on and the Apple logo on the back is lighting. In the time while it was working, I have closed and opened the lid multiple times but when I open it the last time (7-8 hours ago) it was the same problem and I waited like 5 hours but it didn’t fix itself. So the first time this happened was yesterday, and I waited for about 1 hour and the computer worked properly until 7-8 hours ago.
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