PC turns on but no display | laptop black screen

When we  use the computer and we  know that the computer is  a that machine in which there is a fault come at some point or the other. In such a condition, one of the most common problems in the computer is "No Display",.In which the computer is on, the Power Led is glowing, computer all parts are working, but the Display on the computer screen is not showing. Blank/Black Display Shows. This type of problem is called the problem of No Display/No Screen. In this article we are going to explain step by step for how to fix the no display problem in this article.

Pc turns on but no display | laptop black screen

When the problem of No Display comes in the computer, first of all it is to be noted that whether any Beep sound come or any Led Blinking by computer or not, if yes then definitely there is issue in the computer. In such a situation, try to find out the fault by searching that problem

Here we will follow below some steps for fix No Display problem

In the first step, confirm that the Display Cable VGA, HDMI is not faulty, once it is disconnect from the computer and monitor port and reconnect it. confirm also computer keyboard is working or not. By pressing the Num Lock button, see if the Indicator Led of any of these is burning or not, if yes, it means that computer/laptop is completely okay, the problem is in cable. if not, then confirm that the problem is with computer other Hardware parts. confirmed also whether the power SMPS is proper working or not, its entire supply should be OK.

Power SMPS:- If computer SMPS (Power Unit) is on and all led is blinking and Processor fan, SMPS fan and other cooling fan is working fine means  SMPS is OKay. Sometimes this happens if the SMPS is giving more/low output power then the problem may come. If SMPS is working fine then we will follow other steps to fix that problem.

MotherBoard:- First remove the computer case cover and check all the physical of all the components on the motherboard whether any components like IC, north/south bridge, resistors, capacitors etc are burnt or cracked or not. If all goes well, here's where we'll take the next step.

Ram:- Before removing the RAM from the motherboard slot, do physical check of Ram as well whether any component is burnt or dust is not frozen on ram, then along with the entire RAM Stick, the Pin has to be cleaned by with pencil Rubber. Then the condition is to be checked by putting only single RAM in other slots one by one. If the display comes on putting any single RAM, then check the remaining RAM as well. The RAM which is facing problem on installation, that RAM will be Faulty. If the problem is still not solve then we will follow next step.

Computer Processor:- Now by removing the CPU Fan and turning on the computer, you have to check the heating condition of the processor, if processor Proper Heat is happening then turn off the system immediately. Even if the processor is heating up or not, once the processor is carefully removed from the processor socket, try to check the pin that Carbon-Dust etc. has not frozen on it, if so, then clean it and put it back in the socket. Put it on, if everything is fine then put it on the socket in the same condition.

Attention:- Pinless Processor and its Socket have two cuts made which have to be fitted on the socket and 1 or 2 Pin Missing remains on one corner of the Pin Side of the Pinless Processor and the same hole is made on its Socket as well. have to be assembled and fitted on the socket. Calling Paste is already applied on the fan part above the processor, which should be left or if available, clean it well before fix the fan.

If the processor is not overheating up, then the problem is with the motherboard circuit, replace it with a new one, or contact to  chip level engineer for repair it

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Dear respected friend i  hope that after following all the steps mentioned above correctly, you will be able to troubleshoot and fix the problem of No Display in the computer very easily, even if you are facing any kind of problem. You can ask me by comment. 

  

 

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