Why does yogas5 sometimes go black when you move the computer?

Cause. First, the voltage problem (less likely);

Cause. Second, the problem of the graphics card driver can be solved by updating the graphics card driver;

Cause. Third, the graphics card has quality problems, take the computer city to repair or replace it with a new one;

Cause. Fourth, the lack of DirectX software or the DirectX version is too low, reinstalling the latest version of the DirectX program can solve the problem.

For some older or assembled computers, a black screen is a more likely glitch. The hardware causes of the black screen of the computer include the display damage, the graphics card damage, the poor contact of the graphics card, etc., and the cause can be found from the software after eliminating the hardware problem.

yoga14s black screen can not be turned onHello dear,1、First check whether the power supply connected to the notebook is good,Whether the power indicator is on,Friends with conditions recommend using a multimeter to test whether the power supply of the notebook has the voltage output of the value of the old Huibi power supply label。 When there is a power output, connect the laptop, then turn it on, and check whether the laptop power indicator is on. 2. If the power indicator is on, the cooling fan port is windy, but the display screen is still black, most of this situation is due to the internal circuit fault or hardware failure of the notebook, such as the internal memory module of the notebook is loose, the graphics card is faulty, and the display panel is faulty.

At this time, Bi Du recommends that you use the external monitor of the computer, which is the monitor of the general desktop, and connect it to the external display interface of the notebook, if the display is normal, basically exclude the possibility of damage to the motherboard and graphics card. Hope it helps.

Dear Lenovo users, hello!

Force power off, press and hold the power button for about 10 seconds.

There may be a problem with the system, reinstall.

The reasons could be:

First, the system is damaged, the hard disk is damaged, and the notebook can't recognize the hard disk, etc.

Second, the inner belt wheel is noisy or the memory Tongchun slot is soldered, and then there is a problem with the power supply chip of the motherboard.

Third, BGA (north-south bridge, graphics card, network card, etc.) packaging chip virtual soldering damage.

Dear Lenovo users, hello!

Based on your problem description, we make the following recommendations:

1. First, enter the safe mode and disable the graphics card;

3. Restart the computer and enable the graphics card after successful installation.