what causes black screen on laptop

Some friends of the system to upgrade to the Win8.1 after the black screen or blue screen, Microsoft official explanation is mainly due to the Win8.1 system upgrade after the display of device-driven compatibility issues caused by the proposed operation: Open Device Manager to update the hardware driver, or access to display devices and graphics corresponding to

How to solve the problem that Win8.1 use PPTV player to see the movie black screen. The specific steps are as follows: 1, please open the Windows Media Player player, and then select "Tools-Options-performance-Advanced", "Enable Full-screen mode switching" before the check to restart PPTV network TV, to see if the problem can be solved; 2, if the previ

Recently a lot of netizens reflect the computer in the wake of sleep state to enter the black screen, not normal access to the screen, the system has also been reinstalled or no response, the following small series for everyone to share under the specific solution to this situation. Hope to help you. 1, right click on the desktop "Computer", select "Device Manag

recommended to try long press the power button 12 seconds to force the shutdown, and then restart the phone; If you do not solve your problem, please bring the purchase invoices, warranty cards and mobile phones to the nearest customer service center detection processing. Solving method It is recommended that the following optimizations be made to the handset if the reboot is normal. 1, uninstall the recently installed software, excluding software and systems incompatibl

Update win8.1 in the process of black screen is because your graphics driver is not compatible with win8.1, at this time we should update the graphics driver, but the black screen can not go in, how to update the graphics driver? 1 Enter Safe mode Press and hold F8 while powering on, and then select Safe Mode. 2 U

KK Video Black screen solution: Method One, KK Video Full Screen mode, the regional mode of recording videos may result in a black screen or flash flash, use frame rate mode recording, basic can be solved. Method Two, If the frame rate pattern is still invalid, se

Now the Internet is no longer the dial-up connection of the year, a variety of broadband speed is very strong, so that users can easily watch a variety of video on the network, but online watching video is also easy to see a variety of small problems, such as today to explain the emergence of black screen or white block problem, Encountered this problem is usually the user will check whether the Flash plug-

Failure phenomenon: Host update installation WIN10 anniversary update, when the update completes the last reboot, the system may not start normally, the screen displays a black screen. When the problem occurs, the host is in the normal state of power, you can see the Lenovo Logo, but later will appear as a black

We often need to download programs and software in the Win7 64-bit flagship edition, convenient for our daily work and life, but with the passage of time, many of the previously downloaded programs and software will become backward and useless, in order to save the Win7 flagship version of memory resources, we naturally need to clean up regularly, otherwise, The speed of our computer will become more and more slow, so it is very necessary to clean up the memory space of Win7 flagship, and uninst

1, first start the system, the keyboard press "Ctrl+alt+delete" combination of shortcut keys to open Task Manager; 2, then click on the task manager above the "file-New task", in the box input "control", click OK; 3, in the bounce out of the Control Panel interface Select Click "Device Manager"; 4, then in the window to the left of the Device Manager to find "display adapter" and click on it, and then right-click your computer graphics card select "Uninstall"; 5,

The image below is a black-edged effect on both sides of the computer screen, as shown below. The solution is actually very simple, as long as the resolution to adjust to recommend, the specific steps are as follows: Here, take Win7 as an example, the right mouse button on the desktop white space, and then choose to enter the screen resolution, as sho

1, right-click on the desktop, select the screen resolution, choose the senior settings. This is the brush frequency of the computer. Set the two to be uniformly 60HZ or 50HZ; 2, adjust the power supply refresh rate; 3, find the lower right corner power, with the right mouse click, select the Power options; 3, find the Change advanced power settings, find the Intel (R) Graphics settings click to expand. If your first choice is

Computer black screen, commonly known as, the correct name should be shown without signal input, the host has power, but the monitor just opened, the power supply is green, will become orange, flash flash, there is no display on the monitor, or show no signal input. 　　Tools/raw Materials Brush Eraser Steps/Methods First of all, according to the indicator is no signal input, it is possible th

1. Press the bottom left-hand corner of the win key, into the System menu page, and then press win key +x, select "Power Options"; 2. Right-click My Computer, select Properties → (upper left corner) Control Panel home → system and security → Power options; 3, enter the Power options, select the "power button function"; 4, next to close the "Start fast start", but you will find that, then you have to click on the top of the "Change currently unavailable settings", and then can be canc

1. Right-click the hero alliance startup program;2. Click Properties and click compatibility;3. Check "Disable high DPI Display Scaling on high DPI Settings )";4. Select "run as administrator". Do not select compatibility mode;5. Then, the test problem has been fixed.The above is the solution to the black screen problem of lol games in the win10 system. In fact, this solution is very sim

After the start of the black screen cause analysis: Graphics driver compatibility problem caused (dual graphics card) We can solve the problem by WIN10, the following steps: 1. In the WIN10 system into the "Troubleshooting interface" then we click "Troubleshoot---Advanced options" step by step into; 2. Select the "Startup settings" option in the Entry interface (power-on setting) 3. After entering saf

1) Enter the catalogue C:\Users\name\AppData\Roaming\Unity\Packages 2) Create the folder node_modulesand enter node_modules. Then create the folder "Unityeditor-cloud-hub" and "Unity-editor-home"(attached: If you have some words you do not have to create it)3) Enter the catalogue C:\Program files\unity\editor\data\resources\packages4) The file"Unityeditor-cloud-hub-0.0.1.tgz"Copy to DirectoryC:\Users\name\AppData\Roaming\Unity\Packages\node_modules\unityeditor-cloud-hub5) The file"Unity-editor

In general, the display suddenly black screen is the driver of the video card has failed, but does not exclude the display of Casupines, the solution: 1, overclocking words, restore to the default frequency, the general notebook's default frequency is 60, the desktop of the words is 70-75 2, if set the default frequency, the fault is still, then use the Driver Wizard to install a new graphics driver. The

WINDOWS8 host upgrade patch will sometimes appear black screen, Safe mode can not enter, you may use the following method to solve Operation Steps: 1, boot continuous F8 Select Safe mode after choosing to repair your computer, choose Troubleshooting; 2, choose to restore the computer; 3, click Next; 4. Select the accounts that need to be restored; 5, at this time need to en

Win8 computer boot, black screen, alarm, what's going on? Repair method: 1, first use the tool to clear the dust on the motherboard and then boot. 2, empty CMOS. 3, reinstall the CPU before powering on. 4, the computer hardware composed of the smallest system and then boot. 5, after the above several steps, if the boot is still not shown, generally use the replacement method to check the power suppl