If you suspect a hardware issue, check your computer’s random-access memory, or RAM. If it’s faulty or has come loose from its connection, this may cause a Mac to suffer a kernel panic. If you’ve been able to log in, the black screen could be something as simple as an app that froze during startup.
If you’re getting the Blue Screen of Death at startup, it could be a result of a bad application, driver issue, or other hardware quirk causing problems on boot. If you can, Google the stop code that appears and see if it gives you any insight into what’s wrong. If your computer turns on and you see the POST screen but can’t boot into Windows, certain settings may be causing a problem.
In this case, you may be able to quit the offending app via Task Manager. One possibility is finding LockAppHost.exe on the Details tab and ending the task. A screen that doesn’t turn on may be a sign of a malfunctioning screen or a bad connection between the computer and the monitor. For desktop computers, trying another monitor or cable is a simple way to see if one or the other is at fault. Of course, if you’re having this trouble with your laptop or all-in-one system, or if a bad video card is the problem, some disassembly may be required.
Common faults include a broken power supply unit, incorrectly-fitted components and a faulty motherboard. If you installed any new hardware recently, try uninstalling its drivers from Safe Mode. If you think a new application might be to blame, get rid of that too. BlueScreenView can help you look back through your most recent Blue Screens of Death to see the file that caused the problem, or any bug check strings and codes to Google.
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If your computer came with a graphics card, HP may have installed a plastic cover over the video port attached to the motherboard. Most PCs can use graphics from the graphics card or the motherboard, but not both at the same time. If you remove the plastic cover to connect a monitor , the video will not work unless the graphics card is removed. The better solution is to connect an adapter to make the connection. If the newly attached monitor displays initial startup screen but then goes black, there is a problem with Windows starting.
- Unpack the box and remove any packaging material from the computer and power cables.
- Without touching the screen, adjust the screen tilt by rotating the stand up and epsxe bios download down.
- Face the rear of the computer and hold it carefully.
- The power cord must be disconnected before setting up the computer.
If the problem keeps occurring, try to keep track of what’s happening when the error takes place. If you can identify a particular program that causes trouble, that may help you solve the problem. As with Windows, restarting from a Mac’s recovery partition may be useful in the troubleshooting process. If you have the problem after booting from the recovery partition or an external boot disk, that suggests the concern is with your computer’s hardware.
Now check the external AC adapter for a Green or Blue LED light .If there is an LED light lit up on the power brick, this indicates the power supply is functioning properly. The fans might turn on when you press the power button, but other essential parts of the computer might fail to turn on. A component of your computer may be broken or malfunctioning. If this is the case, you will need to get your computer repaired.
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With the monitor plugged in, press the power button on the monitor. There is a power indicator light located on the monitor case. Make sure the monitor has power and the power light comes on when the power button is pressed. If the light on the monitor remains off, the monitor is not receiving power from either the wall outlet or the power adapter. This document will help you determine if the blank screen is being caused by the computer hardware, the video signal to the monitor, or the monitor itself.
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For example, if you get an error stating that your computer can’t find a bootable operating system, it’s possible your BIOS is set to boot from the wrong drive. Or maybe your overclocking settings are causing the computer to blue screen immediately. The stopping, freezing, or reboot loop may happen on the Windows login screen, as Windows is logging you in , or any time up to Windows fully loading. Windows stops or reboots on or after the login screen.