Why does my Toshiba M307 always have a black screen or a flickering screen?

Toshiba splash screen is mostly caused by the fault of the North Bridge, other common reasons: the quality of the screen itself, the aging of the screen or inferior products, LG brand screen has the most chance of this problem, this situation is the most common; The screen line is not in good contact or damaged, and the screen itself is damaged by excessive external force; The power supply of the motherboard screen is abnormal, or the screen failure is caused by the virtual soldering of the BGA packaging chip of the graphics card. Send it to customer service for repair during the warranty period, free of charge (except for man-made damage).

Notebook hardware questions answered.

Problems like this are heat dissipation, system failure, software incompatibility, etc. To the big point, it is the problem of the graphics card, CPU, hard disk or motherboard, and the maintenance of the computer is by the elimination method, so the online answers are generally summarized language, and I will first give you the solution to the small problem:

Heat dissipation: It is recommended to regularly clean up your computer dust, and the laptop is equipped with a heat dissipation base;

Virus: Simply answer with 360 in-depth detection and killing, if you can't change the operating system, it's probably a big problem if you can't change the system.

It is also possible that the system partition or boot volume cannot be accessed during the boot process.

Solution: Generally, you only need to boot the computer with the installation CD and then perform the repair installation to solve the problem. Detect and kill viruses If it is a problem with the hard disk, install it on another computer and use it"chkdsk /r"to check and fix disk errors.

There is a problem with the high-voltage board or the cable is broken.

Is there a toshiba logo display on boot?,If there is,Then there may be a problem with the system,You can try to reinstall the system to try,If not,Then it is recommended that you plug and unplug the memory first,If not,Hurry up to the after-sales service to solve it。

The system has a black screen, which may be caused by software and hardware issues. System files are corrupted, software conflicts, virus damage and other reasons cause the system to appear in the black potato screen, all belong to software reasons; If there is a problem with the memory, graphics card, and motherboard of the computer itself, it is a hardware failure.

Solution:1Try reinstalling the operating system on your computer, most software issues can be resolved by reinstalling the system. However, before installing the system, please check whether your disk has enough space and whether you back up the important data in the system disk.

2.If a new hardware is installed, the system does not recognize and there may be a black screen, and the driver of this hardware must be installed correctly.

3.Older computers can try updating the motherboard BIOS before installing new hardware. There are certain risks in updating the BIOS, it is recommended to let experienced personnel operate, the BIOS should correspond to this motherboard, and it is recommended to upgrade under the DOS system.

During the upgrade process, the power must not be turned off, once the refresh fails, the computer will not work properly.

4.If there is a problem with the computer hardware, it is recommended to contact the after-sales service station and let a professional technician help you test the computer.

Suggestions for use:1Using a genuine operating system and genuine software can reduce the likelihood of problems with your system.

2.Run the disk defragmenter regularly and don't lose power when running your computer, which can reduce the number of problems with system files caused by the rapid deterioration of the hard disk.

Professional maintenance personnel are needed to help you detect and determine the fault point, the screen is dark (pseudo-black screen) failure, and the aging and damage of the lamp is the most common, just replace the lamp. In addition, the high-voltage board is damaged, and the main thick residual board has a problem with the power supply circuit of the screen, and the rock forest roll will also lead to this failure, and the notebook hardware doubts are answered.

If it flashes when it is turned on, there may be two factors:

1. The backlight tube in the screen is aging or the pin is soldered and needs to be replaced;

2. The high-voltage plate that supplies power to the lamp in the screen has poor performance and needs to be replaced.

The first cause is more likely. There is no problem with the screen itself, and it does not need to be replaced.

Go directly to the repair station to change the screen, Toshiba computers have this problem.