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Sources and UPSs

pc without video

exequiel
exequiel
231
hace 5 años
hace 5 años
hello I have a pc that does not give video, turns on but nothing, it works internal green LED, fan but nothing else I take out the memories and there is no absence of them, when I want to turn it off the power button does not turn off, I have to unplug it so that turn off, when the disarmament had an exempt amount of land so much that the aluminum of the heatsink could not be seen, it may be that which caused the failure, please help
jochu73
jochu73
31.275
hace 5 años
hace 5 años
If you turn on the green LED and not the red one, it is that you do not even start the POST (power on self test). Start by cleaning the inside with a brush and change thermal paste and clean the dissipated. Since you have access to the interior, look for swollen capacitors on both the motherboard and the source that your problem should be.
exequiel
exequiel
231
hace 5 años

thanks for the time borrowed my people go like

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Juanchvez
Juanchvez
607
hace 5 años
hace 5 años
Hello friend if it is a STATIONARY PC (DESK OSEA) try the following 1. disconnect it from the power press the power button for 10 seconds and then connect it and turn it on if it works then your source has problems you should check it or change it as appropriate 2. If with the previous process you do not find it then your process is damaged and you have to change it if you want to enjoy YouTube again IF IT IS LAPTOP THEN DO A REFLOW TO YOUR VIDEO CHIP IF YOUR PC WORKS YOU NEED A REBALLING THAT CERTAINLY IS NOT ANY CHEAP OR SIMPLE AND THERE IS NO WARRANTY THAT RESPONSES IF YOU DO IT THEN TAKE ADVANTAGE AND DO BACKUP OF YOUR DATA ...
Meygil2017tecnico
hace 5 años
hace 5 años
Hello friend, when your PC turns on with everything connected, it beeps and turns on the lights of the mause and keyboard? ... if so, it will indicate that the PC started correctly ps having the fault that it does not give video ... ps if it is so clean the connectors on the screen and the pc may be still very full of dirt .... ps for what you say I imagine that you have already done the cleaning and removed all the earth ... ps if it does not turn on or the light of the keyboard or mouse ps cleans the ram and cheka that everything is connected correctly .... ps check if your line is 115v place the red knob of the source of the pc at 115 if it is at 220v ps set it to 220. .. luck... comment, rate, greetings
exequiel
exequiel
231
hace 5 años

turn on the mouse and keyboard and it doesn't sound, the lus of the tv I use turns on and off constantly

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Meygil2017tecnico
hace 5 años

You say you use a tv as a monitor? .... ps if the mouse and keyboard turn on means that the machine is working ... ps connect it to a pc monitor find out if it turns on or presents the same fault .... greetings

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exequiel
exequiel
231
hace 5 años

if you do the same with my monitor what happens that I try with the tv to use the pc, but tv and monitor do the same thing turn on a second and turn off a second so continuously tv and monitor and nothing

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Meygil2017tecnico
hace 5 años

Ps rule out with another hard drive if not already the problem must be on the board or processor ... greetings

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Meygil2017tecnico
hace 5 años

I suggest you disconnect everything taking into account to take pictures of the connectors to guide you when assembling ... ps clean the entire board even take out the processor very carefully and when placing it taking into account its position this placing new thermal whore. Clean the soket with an equal brush the entire plate ... connect .. comment .. luck ...

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jesus-sanz
hace 5 años
hace 5 años
Check if you turn on the green and red all what he said to me is true but if you do not turn on the two LEDs it is still a problem with the card I recommend that you do a maintenance on the pc to generate check the socket to see if it is working well there is a lot of diagnosis for that case
exequiel
exequiel
231
hace 5 años

What I realized that does not turn on is the red LED on the front, should I turn on?

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exequiel
exequiel
231
hace 5 años

one more question, find a transistor with a small hole on its surface has three legs and the short medium without contact at all can be the problem how to test this component

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