The screen of the Huawei laptop does not light up when it is turned on, but the keyboard is bright?

The computer restarts or turns on and a black screen appears.

Crash. Cause of the problem.

Microsoft. Built-in AHCI driver issues.

Solution. Method 1:

Press and hold the power button for 10 seconds to force it to shut down, and then press the power button to turn it back on.

Method 2: You can also upgrade the system version to Windows 10 1909 and above.

There are four reasons why the indicator light is on and the screen is black:

The first reason: This is the memory and graphics card of the notebook are oxidized, resulting in poor contact with the memory slot or graphics card slot, resulting in the inability to turn on, and the black screen, the probability of it appearing black screen accounts for 60%, processing method:

It is to remove the power supply, open the back cover of the notebook, take out the card slot of the memory, if it is not an independent graphics card soldered to the motherboard, also take out the card slot, align the part of the memory and the gold finger of the graphics card (that is, where there is a copper sheet) and wipe it back and forth with an eraser at least 6 times, blow the ash, and then insert it back, cover the back cover, and turn on the computer generally.

The second reason: is that the video memory of the notebook graphics card is soldered, the performance of the main chip is reduced, the graphics card BIOS is disordered, and the control power supply IC is problematic, which will cause the graphics card to fail to work normally, that is, the graphics card is broken, because the graphics card is broken, the screen will naturally be black, and the treatment method: Jianyi repairs the graphics card, or replaces the graphics card.

The third reason: the boot circuit of the notebook motherboard is faulty, such as clock, reset, power supply, MOS tube, etc., which may cause failure to boot, black screen, IO problems, unable to start the computer, black screen, etc., solution: send after-sales or repair shop to repair the motherboard.

The fourth reason is that the screen cable of the notebook is broken or poorly contacted, resulting in no image signal transmitted to the screen for display, that is, a black screen.

There are several reasons why the screen doesn't light up:

1. Sometimes the laptop is turned on, but the display does not light up, which is generally due to the failure of the motherboard self-test or the problem of the screen lamp.

2. The first thing to make sure is that the screen is really black.

It's still a pseudo-black screen.,Pseudo-black screen means that the screen backlight is gone.,If you look closely, you can still see the words on the screen.。

3. If it is a pseudo-black screen, it is generally that the lamp is broken and the lamp needs to be replaced. It is recommended to go to a professional repair shop for repair, if it is still under warranty, then it does not need to be cost. 4. If it's a really black screen, it's basically a broken graphics card or South Bridge.

You can connect an external monitor to see,It's connected to the VGA port of the notebook,If the external monitor is also like this,It's basically a problem with the graphics card。 If the external monitor is normal, then it is the problem of the screen itself or the screen cable. There is a 20% chance of a problem with the screen itself or a screen cable, and an 80% chance of a graphics card failure.

Because the external output and the laptop screen output are two independent output modules. If the graphics card is broken, a replacement graphics card is generally fine.

This is when the computer goes into sleep mode. Although the display screen is black, the computer is not turned off, and the power button is not as stable as when it is turned on, some are constantly flashing, and some are other colors, it doesn't matter, just press the power button again.

It may be that the computer is turned on by default, and it goes to sleep when the power button is pressed. You can go to the power options in the "Control Panel" to set it, and change it from pressing the power button to sleep when it is turned on to turn it off.

Summary. Hello dear, I am happy to serve you, I am Master Li with 8 years of experience in computer maintenance. The screen of the Huawei laptop does not light up when it is turned on, but the keyboard is bright, and this situation is very complicated, so let's tell you the possible reasons in detail.

The screen of the Huawei laptop does not light up when it is turned on, but the keyboard is bright?

Hello dear, I am happy to serve you, I am Master Li with 8 years of experience in computer maintenance. The screen of the Huawei laptop does not light up when it is turned on, but the keyboard is bright, and this situation is very complicated, so let's tell you the possible reasons in detail.

1.Problems with the laptop screen. This problem is mainly related to the screen, which may be due to damage to the light cable of the screen. Or the LED light of the screen cannot be lit. This situation can only be solved by servicing the screen.

2.Laptop system issues. System issues can also cause this phenomenon to occur. In this case, it is recommended that you press and hold the power on and off button for 15 to 20 seconds. Then a mandatory restart operation is performed.

3.There is a problem with the display circuit components on the motherboard. This situation requires you to send your computer in for repair. Let the after-sales staff check the motherboard for you.

4.The battery is dead. Or the supply voltage is too low. This can also lead to the above. You only need to charge it for about two hours before booting it up.

Based on my years of repair experience, if you can't do it yourself, we strongly recommend that you send it to a Huawei repair center for repair.

1. Check whether all the plugs of the power supply and the wires on the adapter of the notebook are firmly inserted into their respective sockets, if not, it means that the contact with the power supply is poor, just press the plug down again.

2. If the indicator light is not yet on, the power adapter is being excluded.

The premise of bad is that there must be a problem with the power chip of the motherboard or a problem with a short-circuit breakpoint, and the motherboard is not powered on.

3. If the indicator light reacts, it just goes black.

Yes, this may be a problem with the graphics card or memory.

4. There is no display when the boot is normal, check whether the power cable, switch, and data cable of the display are correct, and it is also possible that the display is damaged.

Why is the laptop key on, but the screen is not lit, the analysis is as follows:

1. The system is in a dormant or screensaver state. It's to save power. At this time, press either Jian or press the power button, and the system will recover.

2. The laptop is out of battery. Although it is charging, the voltage is too low to start. Charge for 20 minutes and then turn it on again.

3. Laptop battery failure. It can't be turned on, but the power button is charged so it's on.

There's a problem with the screen.,It's good to replace the screen.。。

You use the boot disk to see if you can light up the screen.,If it doesn't work, remove the memory.,Hard disk are removed and tried.,If it doesn't work, send it for repair.。。。

1. When the computer is in sleep mode, the computer will run in a low-power state, and the display screen will be turned off at this time. If you need to wake up, you can press the power button or the space bar of the keyboard; 2. The computer should have a bug in the system that causes feign death or crash, and the computer is still in the running state and the display screen has no content. You can force the shutdown, and press F8 to enter the advanced boot mode after restarting, and select the [Last Correct Configuration] option to enter the system.

3. Eliminate whether the power supply or battery is energized, if possible, use a multimeter to check whether the rated voltage is reached, so as to eliminate the fault of the adapter. Then see if the battery is dead. 4. Then look at whether the cable of the display is in poor contact, generally the display screen does not respond at all after plugging in the power supply normally, such a situation generally requires strong hands-on ability and a professional toolbox, if it cannot be repaired by itself, it is recommended that the computer store solve it.

5. If the graphics card or memory is not in good contact, generally try to remove the graphics card or memory module, wipe the metal place with an eraser, and then plug it back in, which can generally be solved. 6. Eliminate the above reasons, it is likely that the display screen is broken, you can try to close your ears to the edge of the screen after turning on and listen carefully, whether there is a sizzling sound, and then there is no sound, roughly the orange is the problem of the high-voltage circuit board, if it has been silent, it may be a lamp problem.

Hello, this situation can be caused by a variety of reasons, I will list several common scenarios and how to fix them:1Laptop Power Issues:

Try pressing the power button for more than 10 seconds to completely power off and discharge the laptop, and then press the power button again to turn it on. If your laptop is already in sleep mode, try waking up your computer by pressing the power key. 2.

Display Setup Issues: Try pressing the FN+F8 or FN+Other F keys to switch the screen output signal to extended mode or mirror mode. Sometimes, when a laptop is connected to an external display, the screen output is switched to extended mode or mirrored mode, causing the built-in screen to not be displayed.

3.Graphics driver issues: Try updating your graphics drivers, or uninstall and reinstall the latest graphics drivers.

Sometimes, an old or corrupted graphics card driver can cause the built-in screen to not display properly. 4.Hardware failure:

If none of the above methods can solve the problem, then it is likely that the hardware failure of the notebook itself. It is recommended to unplug the battery, power supply, and all peripherals, and reconnect the laptop after sitting for a while to see if the built-in screen can display properly. If the high index fruit still cannot be displayed normally, you need to contact after-sales service or professional and technical personnel for repair.

In conclusion, it's a good idea to rule out simple issues like power, settings, and drivers before considering the possibility of hardware failure. If you are not sure about the specific reason, it is recommended to contact the equipment manufacturer or professional technicians for consultation and guidance.