-
Something is wrong with the hardware, first of all, rule out the CPU, there is heat dissipation, the explanation is okay, and secondly, it can be judged that it may be: memory, motherboard, display, one of the problems of the graphics card
-
1.Power protection, touch the low-voltage part of the component with your hand to see if the heating is abnormal (the power supply to the CPU part).
2.Plug and unplug memory, graphics card, and other plug-ins.
3.Tap the screen, there is no faint bright ripple around, there is a partial failure of the display, and there is no damage to the graphics card.
4.Fold it a few times and see if there is any response, there is a problem with the wiring, and there is no problem with the display part.
5.If you use a battery, see if the voltage is normal.
-
Summary. 1. Due to the poor contact of the memory slot, the screen suddenly goes black, and the machine cannot be turned on. Unplug the power supply of the notebook first, and if it is designed to remove the battery, you can remove the battery first.
Open the back cover of the notebook and remove the card slot of the memory; Align the part of the gold finger in the memory, that is, where there is a copper sheet, rub it back and forth with an eraser a few times, wait for the copper sheet to shine, and then insert it back after cleaning the ash, cover the back cover, and turn on the machine generally;
2. The graphics card cannot work normally due to virtual soldering and other reasons such as virtual soldering of the graphics card of the notebook, and the only way to replace the parts in this case is to the after-sales repair shop;
3. If the boot circuit of the notebook motherboard fails, such as clock, reset, power supply, MOS tube, etc., it may cause a sudden black screen, i o problems, and the computer cannot be started, black screen, etc., the solution: send the after-sales service or repair shop to repair the motherboard;
4. The screen line of the notebook is broken or the contact is poor, resulting in no image signal being transmitted to the screen for display; Try to use the cable to connect the output port of the notebook to check whether it can be output**, if it can be explained that the display screen and cable are faulty, it can only be replaced for disassembly and repair or replacement parts.
The laptop boots on a black screen, the indicator light of the display only lights up once, only the power light is on, and the CPU fan is normal.
1. Due to the poor contact of the memory slot, the screen suddenly goes black, and the machine cannot be turned on. Unplug the power supply of the notebook first, and if it is designed to remove the battery, you can remove the battery first. Open the back cover of the notebook and remove the card slot of the memory; Align the part of the gold finger in the memory, that is, where there is a copper sheet, rub it back and forth with an eraser a few times, wait for the copper sheet to shine, and then insert it back after cleaning the ash, cover the back cover, and turn on the machine generally; 2. The graphics card cannot work normally due to virtual soldering and other reasons such as virtual soldering of the graphics card of the notebook, and the only way to replace the parts in this case is to the after-sales repair shop; 3. If the boot circuit of the notebook motherboard fails, such as clock, reset, power supply, MOS tube, etc., it may cause a sudden black screen, I o has a problem, and the computer cannot be started, black screen, etc., how to deal with it:
Send the motherboard to the after-sales service or repair shop; 4. The screen line of the notebook is broken or the contact is poor, resulting in no image signal being transmitted to the screen for display; Try to use the cable to connect the output port of the notebook to check whether it can be output**, if it can be explained that the display screen and cable are faulty, it can only be replaced for disassembly and repair or replacement parts.
I wiped the memory module before, and then it was normal.
After a few days, the screen went black again.
Is the notebook soldered?
You can directly get the after-sales service to repair, if you are in warranty, there is still a discount.
Press the [NumLock] or [Caps Lock] button on the keypad on the right side of the keyboard to check whether the keyboard indicator can be lit up, if it can indicate that it can enter the system, but the **output part is faulty. If there is no response, it may be that the computer hardware is in poor contact. The details are as follows: >>>More
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. >>>More
There are many reasons and need to be ruled out a little bit. >>>More
After the laptop is turned off, the power light is still on, and the fan is also turning, there are two situations: >>>More
You can remove the memory first, erase the gold finger with an eraser, and then put it back on to try, if it doesn't work, you have to send it for repair. >>>More