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The emergence of a completely white screen on a laptop or computer is a common issue that many users may encounter. This problem can be quite frustrating, as it renders the device virtually unresponsive and prevents users from accessing their files, applications, or performing any tasks. Understanding the underlying causes of this problem and having the necessary knowledge to fix it is crucial in order to restore the functionality of the screen and regain full access to the computer. In this guide, we will explore the potential causes behind a white screen on a laptop or computer, as well as provide detailed instructions on how to troubleshoot and 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 hpic.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 various factors, such as hardware issues, software conflicts, or malfunctioning drivers. It can be an incredibly frustrating situation as it renders your device unusable. However, there are several troubleshooting steps you can take to fix this issue.
Firstly, check the physical connections of your laptop or computer. Ensure that the cables connecting the screen to the motherboard are secure and not damaged. If any issues are found, try replacing or reseating the cables.
If the connections are fine, the next step is to update your graphics driver. Outdated or corrupted graphics drivers can often lead to a white screen. Visit the manufacturer’s website to download and install the latest driver for your graphics card.
In some cases, a white screen can be caused by incompatible or conflicting software. Uninstall any recently installed applications or updates that may be causing the issue. Additionally, ensure that your operating system and all software are up to date.
If the above steps do not resolve the problem, it may be necessary to perform a system restore or reinstall the operating system. This can help eliminate any potential software conflicts or corruption causing the white screen.
If all else fails, it may indicate a hardware problem. In such cases, it is recommended to seek professional assistance or contact the manufacturer for further guidance.
In conclusion, a white screen on a laptop or computer can arise due to various reasons. The troubleshooting steps mentioned above should guide you in identifying and resolving the issue. Remember to check the physical connections, update graphics drivers, uninstall conflicting software, and potentially perform a system restore or OS reinstallation if needed. With persistence and thoroughness, you can overcome the white screen problem and restore the full functionality of your device.
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