HOW TO SOLVE THE HORIZONTAL LINE ON THE DELL LAPTOP SCREEN?

Screen cable components account for more than 90% of such failures.

1. Test the external monitor to see if the external monitor has a similar situation, so as to determine whether this fault is caused by the host part or the screen head part.

2. The external display is normal, please re-plug and unplug the screen cable interfaces on both sides and fix and check whether the cable routing at the screen axis may be squeezed and interfered with by other components.

3. The above operation is invalid, replace the LCD screen test, if the fault disappears, it is the LCD screen failure, and the fault still exists basically because of the screen line problem.

4. If there is a similar fault in the external display, you need to consider updating the graphics card driver.

flash plug-in or re-restore the system.

5. Software problems cannot be troubleshooting, replace the CPU test, to determine whether the fault is caused by the CPU or the motherboard.

Dell's notebook, there's a purple horizontal line in the middle of the screen.

Either it's a problem with the display driving control board or the cables;Either the display screen, the inner screen is damaged, or the graphics card is soldered.

Connect an external monitor first,See if it is displayed normally,To determine whether it is a problem with the graphics card or the display screen,If the normal display means that it is a problem with the display screen,If there is also a purple horizontal line,It means that it is a problem with the graphics card。

If your laptop is still under warranty, please send it to the after-sales service as soon as possible to replace it with a new laptop display or graphics card.

If the warranty period is over, you have to pay for a replacement recently.

Dell notebooks, i.e., laptops manufactured by the company Dell. Dell laptops can be mainly divided into:

Household and commercial products. Among them, household products include the Spiron series of economic models, the Studio series of audio-visual entertainment models and the XPS series of gaming modelsCommercial products include Vostro series economy models, Latitude series safety and reliability models, and Precision series workstation models.

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Hello dear, streaks appear on the Dell laptop screen; Cause.

1. External interference is due to strong electromagnetic interference near the display place, such as electric sparks and high-frequency electromagnetism. If the intensity of interference is very high, it will cause the entire screen of the monitor to produce white horizontal streaks; If the intensity of the interference is not high, it can be characterized by a severe change in one corner of the display. Workaround:

In these two cases, we should first focus on checking the area around the display site to eliminate equipment with strong magnetic interference, and in general, the problem can be solved. Cause.

Second, the performance of internal interference is very different from that of external interference, if the display is interfered with, it will make the display screen of the display appear black horizontal stripes, and it is more serious. Solution: In this case, we can open the case to check if there is any bad contact inside the display, whether there is any problem with the output end of the power supply or the output transformer, etc.

Cause. 3. If the display is used for too long, the internal capacitors will be aging and failing, resulting in too slow start-up, gray screen, and blurred fonts. At this time, as long as the aging capacitor is replaced, the fault can generally be eliminated, but because it is also a very high-tech work, it is recommended to send it for repair.