Troubleshooting Desktop Will Not Power on with a Dell Optiplex GX520 Computer

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Күн бұрын

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One thing we can all agree on is when our desktop computer decides to not power on, this typically is likely to happen on a desktop computer that is old like the dell optiplex gx520; considering the hardware is weak and does not feature surge protection or other like features that prevents power shortages from happening on a computer.
Troubleshooting a desktop that will not power on is first understanding the common factors of a no power like computer, one is the power button after all is the first part that triggers the power; second you have the power supply which is what gives the entire desktop power; and lastly we have the main motherboard which is what connects all components.
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Considering you will be keeping a desktop with you for a longtime besides needing to repair this dell optiplex, is recommended to have tools with you to help you not just open the computer but also diagnose them; for example if you have a power tester which I shared with you and if you have additional parts handy with you like a power supply.
First begin by using your common sense if you have no special repair kit or diagnostic tools with you and that is to rule out which of the three was working fine just a day ago, then run down the list by determining which of the three is the second least cause of the problem and more so if you have indicators saying so; which at this point leaves you with the most likely computer component that is the problem.
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With this basic understanding proceed without tools or with some if you have any, in my example here there is no freaking way the power button just died when it looks new right; so that left me with either the power supply or the motherboard.
Good thing is that common sense told me that motherboard is not likely to die suddenly unless of course is obvious like having no led on which would then seem dead, in my example here with this dell desktop which is also seen on other motherboard that the power led indicator turned on when the power supply was connected yet I had no power; strangely enough everything was leaning towards a bad power supply which had probably shorted due to storm or lighting or just plain being cheap without prevention features.
Considering I'm a computer technician keeping an extra power supply is normal in my type of business, so I quickly disconnected the old with the new and boom there was power; at this point I proceeded with installing a new power supply which offered surge and shortage features to make it much more difficult for it to die in the near future.
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Пікірлер: 58

@roosterlanka 2 жыл бұрын

Great video recommend to everyone who has the same problem of pc not turning on. This video gives good tips to make it easier.

@HernandezMasterMind 2 жыл бұрын

Glad it helped

@shirleybell9768 Жыл бұрын

Oh wow I did exactly what you said and now my computer is working again. It’s an old one but Didn’t think I can do it but I did 🙏🏽 Thank you.

@HernandezMasterMind Жыл бұрын

Glad I could help. please subscribe

@phyllisturner130 2 жыл бұрын

This video was very informative. I think my problem is the power supply. Thank you.

@HernandezMasterMind 2 жыл бұрын

you are welcome. glad it helped. please support the channel by subscribing and sharing. thanks.

@DonovanPoole 2 жыл бұрын

Thank you for the video. My desktop has a rear button next to the power cord, it works and turns on fans. My fix was to unplug main power cord at the back. Then follow the power cables inside from supply to the motherboard connection, unplug and plug it back in. Power button now works! I think something tripped with a storm surge recently

@HernandezMasterMind Жыл бұрын

nice. sometimes is a glitch on the board and the power. a simply 10 second reset releases all electricity stuck and may work but not likely for most people so good news on your end.

@koedits5215 3 жыл бұрын

Thank you 🙏🏾

@HernandezMasterMind 3 жыл бұрын

You are so welcome

@ViscidSpark 2 жыл бұрын

Thanks

@HernandezMasterMind 2 жыл бұрын

Welcome

@davidkemp5264 Жыл бұрын

great video,easy to understand. My Dell desktop would power-up when unpluging power,then wait and hit the start button and replugin same time,now it starts for a second or two then goes out.Replaced battery and button seems ok,motherboard ?

@HernandezMasterMind Жыл бұрын

anytime you get power from power supply. and the computer does not turn on. or even better it does like in your example and goes out again. then for sure is the motherboard the problem. because we got power.

@chuckhowland5146 Жыл бұрын

My 7yr old Dell desktop would not power back up after update, it would freeze on Dell logo screen. It turned out to be the bios wanted a prompt to proceed with windows boot. I had after market Bluetooth keyboard and mouse. I had to remove that and insert original usb keyboard and hit the F12 key at the logo screen . This brought up bios and just had to hit enter to select windows boot and it came up normally.

@3rkowtf669 2 жыл бұрын

Great video, in my case when the power button is pressed and held it flashes amber light but it will not turn on, the only way to Kinda turn it on is to hold the power button and press the reset button on the back, that way it will stay “on” but the power button remains solid amber light, still trying to figure out…

@HernandezMasterMind 2 жыл бұрын

hi. sounds to me like a button that has buildup dirt or moisture which prevents the button to have normal contact to the on and off function. my recommendation would be to remove the entire button from the front cover. then clean it with rubbin alcohol hently. also do that to the button board. this should allow a normal touch. plan B is to order a new front cover from ebay and replace with yours and that is only if the button does not want to come off. here is a great product sample that may work if after cleanup is still not working ebay.us/RhyYWL

@amyhintz471 2 жыл бұрын

I just unplugged, then hed the power button down for 30 sec to get rid of flea power, then plugged it back in and it worked.

@HernandezMasterMind Жыл бұрын

nice. sometimes is a glitch on the board and the power. a simply 10 second reset releases all electricity stuck and may work but not likely for most people so good news on your end.

@aldrintablang4258 Жыл бұрын

Can you help me in my issue when i plug the avr on the wall outlet it automaticaly open with fan in low fan then off then open with high fan then off then i cant power up

@HernandezMasterMind Жыл бұрын

hi. considering you have power. it tends to be a motherboard malfunction in my opinion.

@billcarsonasmr5022 Жыл бұрын

I checked with a new working power supply but still only a led inside the pc is on but the pc cant be turned on . Any help ?

@HernandezMasterMind Жыл бұрын

indicates to me that the motherboard may be dead. find your matching board here ebay.us/no14ap

@thapelomolholoboto378 Ай бұрын

my desktop swicthes on all the fans turn on but the screen mouse and keyboard are off what should I do

@firstclassedits1704 22 күн бұрын

Did your problem get fixed

@HernandezMasterMind 2 күн бұрын

when the pc acts as if there is power, which is. and turns on which is. but nothing displays. the most likely cause is a fried processor which need to be replaced with a new one.

@davidaburns7496 2 жыл бұрын

When I turn my ox on it goes right back out I replaced the cord it worked for a lil while but it is doing it again, turns on but goes right back out

@HernandezMasterMind 2 жыл бұрын

hi. you replaced the power supply? this behavior sounds like a fatly board.

@davidaburns7496 2 жыл бұрын

@@HernandezMasterMind ok so the light on the motherboard is it suppose to be red

@davidaburns7496 2 жыл бұрын

@@HernandezMasterMind and what type of motherboard do I buy for a optiplex390 dell

@HernandezMasterMind 2 жыл бұрын

@@davidaburns7496 you can get a motherboard for gx520 at ebay.us/blbJK3 and if you need a board for the optiplex 390 go here ebay.us/jg9D5V

@nihilisticnirvana Жыл бұрын

My UPS battery started leaking and so I removed it from my PC setup. After that my CPU isn't turning on. What do you think is the issue?

@HernandezMasterMind 11 ай бұрын

Hello. Good question. Well...the processor could have shorted due to lack of proper power. Or it could simply mean is stuck on boot. What I recommend you do is the following... disconnect power from wall outlet. Then press and hold power button for 20 seconds. After release it. Now before you turn pc back on. Let's do a re-sitting of the processor and to do that is open desktop and remove cpu. Go ahead with cleaning both processor and socket with pressure air. Lastly put it all back and turn on

@user-co7yg8gf1o 5 ай бұрын

My computer is not working properly the light is on I don't know if I should clean the fan or not

@HernandezMasterMind 5 ай бұрын

describe the problem better? if it does not turn on is either the motherboard or the power button. sometimes the power supply not the other two. if you confirm that button and power supply is good and still dead then mb.

@adagnutech Жыл бұрын

what is the disctop ram

@HernandezMasterMind Жыл бұрын

cant understand your question. ram is memory inside the desktop.

@appiahracheal8901 Жыл бұрын

I turn it on I only see orange light inside but it can't turn on

@HernandezMasterMind Жыл бұрын

could be an indication of a bad motherboard. shorted board. orange light or blinking light indicates is not getting the proper power. try changing the power supply first and see if it works. if not the confirm is the board.

@miguelvideo4you149 8 ай бұрын

WHERE TO BUY A POWER SUPPLY ???

@HernandezMasterMind 8 ай бұрын

your best option for this model is ebay because of the year

@lingampalliraju2842 Жыл бұрын

Hai sir Iam facing orange light problem

@HernandezMasterMind Жыл бұрын

try changing the power supply. if it still does not work. it seems like a motherboard is bad.

@ytcinnamonplayz2550 2 жыл бұрын

It’s my power supply

@HernandezMasterMind 2 жыл бұрын

not bad. on average the power supply goes bad. cheaper than a mother board. happy it helped you. please subscribe for future videos

@luciusloo9908 Жыл бұрын

my computer wont turn on but the troubleshooting button is lighting up

@HernandezMasterMind Жыл бұрын

seems like a bad shorted board. or need to reset the power. try disconencting power cable from wall. then press and hold as mentioned for 60 seconds. connect back and power on?

@Ang13Rod 2 жыл бұрын

I think when I turned my breakers off n back on I messed up my PC. But when I plug it in the back a green light turns on for like 3 seconds but won't power on

@HernandezMasterMind 2 жыл бұрын

it seems as if the motherboard shorted. Power Supply tend to have power. One way to best determine which of the two is it. Replace the power supply first. if after the same and no power then is a bad motherboard.