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A white screen on a laptop or computer can be an unexpected and frustrating issue that disrupts your work or leisure activities. This problem typically occurs when the display appears completely white, devoid of any visible content or icons. It can stem from various causes, ranging from simple software glitches to more complex hardware malfunctions. However, fret not, as in this article, we will guide you through the potential causes behind a white screen and provide step-by-step instructions on how to troubleshoot and fix this problem, ensuring you can be back to using your laptop or computer seamlessly in no time. So, let’s dive into the different factors that may contribute to a white screen and the possible solutions to resolve this issue effectively.
A laptop or PC with a white screen is an error many users encounter, which not only wastes time, but also disrupts your work. Let’s lassho.edu.vn see the causes and how to fix the white computer in the following article!
The cause and how to fix it
Laptop is contaminated with water
During use, you are not careful to spill water on the laptop without quickly drying it off. Or you often use the laptop in a humid environment , the risk of a white screen error is very high.
How to fix
To fix a laptop that is contaminated with water, you need to quickly turn off the power of the machine . Then disassemble the battery and related parts and start cleaning with a soft cloth, to prevent water from getting deep into the microchips of the machine.
Note, if you do not have knowledge or expertise about laptops, absolutely do not disassemble and clean them by yourself. Instead, bring the device to the nearest store or center for timely support.
Broken screen is also the cause of laptop white screen. Usually, you are most likely to recognize it when, your computer has been through a screen replacement, or the screen you are using is not of good quality.
How to fix
To fix this situation, please replace the screen with better quality. If you choose to replace a used screen, you should check it carefully before replacing it so you don’t have to repeat the error again.
The display cable is broken
One of the reasons why the laptop screen is white that many users do not know is that the screen cable is broken, or broken. In addition, in the process of using the machine, you find that the signal transmission is poor, it can be confirmed that the cable is faulty.
How to fix
To fix the computer screen is white, so you need to remove the laptop and check whether the internal components are faulty due to the display cable or not. Then you put it back together and start the computer.
If the display is normal, it is most likely caused by a loose cable. On the contrary, if the screen is still white, it may be due to a damaged or faulty cable, now you need to bring the device to the nearest store for support.
Hardware failure (board, VGA chip)
The laptop screen is white because it may be caused by a hardware error (board, VGA chip). This error usually occurs in the Southbridge chip that manages with I/O, shutdown or power-on operation.
How to fix
Step 1: Check if the cable connecting the board to the screen is broken or not? If the cable is faulty, replace it with a new one.
Step 2: You proceed to check the 3v B+ voltage of the screen, if you detect the 3v B+ voltage is out of power, immediately repair the board.
Step 3: You proceed to check the voltage supplied to the ROM screen, then measure the impedance at the fuse pin.
If the operating voltage is normal, the impedance will be less than 100Ω . If the voltage is shorted, the impedance will be about 200Ω.
How to determine the cause of the laptop is white?
To determine the cause of the laptop’s white screen, first you need to use another laptop that does not have the error, then use a VGA or HDMI cable to connect to the laptop. After that, restart your laptop and see if that fixes the problem.
In case you check that the laptop screen is still white, it is possible that the VGA chip or the mainboard is damaged. And if the screen does not have this condition when checking, it may be because the connector is faulty.
Notes when using so that the laptop screen is not white
Do not place heavy objects on the screen
Placing heavy objects on the screen will cause the screen to break easily. Because, the screen is made of liquid crystal capable of changing the intensity of transmitted light when combined with polarizing filters. So be very careful when using it!
Fold the screen up and down gently
After stopping use, please fold the screen up and down gently, because if you use it vigorously, it will cause the cables in the screen to break or slip off, this is very easy to make the screen white. .
Do not let food or drink spill on the machine
If you accidentally leave food or drink on the machine, it will affect the components as well as the chip, thereby affecting the screen of the laptop. So be very careful to avoid this unfortunate situation!
Do not drop or hit hard
Laptops are inherently composed of many thin components, if they are dropped or hit hard, the mainboard inside the laptop will be easily damaged, causing the laptop screen to appear white.
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In conclusion, a white screen on a laptop or computer can be caused by several factors including faulty hardware, software issues, or display settings problems. It is important to understand the potential causes in order to efficiently resolve the issue.
To fix a white screen, there are various troubleshooting steps that can be undertaken. Firstly, checking the physical connections such as the power cable and the video cable is essential, as loose or disconnected cables can result in display issues. Additionally, restarting the computer can sometimes resolve temporary software glitches.
If the issue persists, updating or reinstalling the graphics drivers may help. This can often be done through the device manager, or by visiting the manufacturer’s website for the latest driver updates.
Another step is to boot the computer in safe mode to determine if the problem is caused by third-party applications or services. This can be achieved by pressing the F8 or Shift + F8 key during startup, and subsequently disabling any newly installed applications or services.
Moreover, adjusting the display settings can also rectify the white screen problem. This can be done by right-clicking on the desktop, selecting “Display settings” or “Screen resolution,” and modifying the settings accordingly.
In more severe cases, when the above steps do not fix the issue, it is recommended to seek professional assistance from a technician. They can perform in-depth diagnosis and repair, especially if the problem lies within the hardware components such as the graphics card or the display itself.
In conclusion, dealing with a white screen on a laptop or computer requires a systematic approach to identify and resolve the underlying cause. By following the troubleshooting steps outlined, users should be able to rectify the issue and restore the normal functionality of their device.
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