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PC not booting up or turning on? is the computer dead? well in this video we will go through some basic steps you can take to try and fix your computer. No computer problem is the same and to a non-tech savvy person fixing or repair a computer can be a bit daunting.

Just follow these basic steps and you should be able to diagnose your own computer problem. There are many reasons why a PC won’t won’t turn on but it you follow this video you should have a working computer or found a solution to the computer problem that you’re having.

First off keep it simple and cheap.

1. Check for burning smell inside the computer or PSU (power supply) and check for any blown caps.
2. Do you have any spinning fans? or attempting to spin?
3. Do you have any lights on the motherboard? or any activity from the computer?
4. Check for any loose cables or components and make sure they are fully inserted. (make sure you are getting power to the motherboard.)
5. Try removing the CMOS battery for 30 mins and then put it back in. Or replace the CMOS battery with a new RC2032 battery. You can also remove the power cable and CMOS battery and hold the power button on to deplete the power from the computer. Hold for 30 seconds)
6. Check the power cable on another computer or better still if you have another cable try that on the dead computer. Replace if faulty.
7. Any beeping sounds coming from the computer?
8. Remove any unnecessary cable like CDROM drive and try and power on the computer.
9. Check the power button or bypass the power button on the PC case.
10. Check PSU with power supply test if you don’t want to buy a new one right away. If you have a spare PSU use that for testing. Replace PSU if needed. (You can jumper the green and black wires with a paper clip to see if it powers on.)
11. Check ram sticks one at a time and see if it boots or turns on.
12. If you have a black screen and the computer is on it could be a GPU graphics card issue.
13. CPU or Motherboard issue. how do you which one it is? well unless you have a test bench setup with that socket motherboard to test the CPU you will never know. Most of the time it’s the motherboard that’s failed. But at this stage, you need to decide to buy or build a new computer or replace the motherboard to test the CPU. I know when you brought your £1500 or $2000 computer 8 years ago you think it’s still worth that today but it’s not worth £100 today. Time to make some decisions on what you want to do.

Remember testing a dead computer yourself can be a costly venture and a computer tech should have all the right tools and parts to save you money in the long run.

I am sure I have missed some bits out but it’s hard to think of them when your filming.

Why not join our forum for a chat.


Yenstix says:

Just built a pc with misc parts from my room.. 2: questions does the mobo have to have a cosmos battery? , and my motherboard shows no lights and the powert supply wont start up. I know the psu works, HELP

Tomáš Szikora says:

I don't have this problem, none of my friends has this problem, I'm not a tech or anything. Then why am i watching this?

B0yardigi0rn0 says:

You know your stuff and you explain your points clearly. 5 Scooby cookies for you!

Walker’s pc games says:

Thank you,again,Brian

Steven Whiting says:

Interesting note about the blown caps. Back in 2007-2010 in my time as an IT engineer at the NHS, we had several Dell Optiplex's failing with blown caps. Calling Dell it turns out they were a batch built using knock off caps that came from a bent Russian factory. So Dell were having to replace the motherboards for free.

How true that back story was I never knew.

Will Mccartha says:

Can you do one of these for laptops. I have a dead laptop

bh ringer says:

So when are you going to do "live call-in"?

Perry Pelican says:

You might want to start by telling people to unplug the computer before poking around inside it and wear a wrist thing to prevent static from making the problem worse.

TimsComputerRepair says:

I like the video and the format.

Wally's 3d says:

Very Good information, Thank-you for Sharing

Eagle Ales says:

very helpful and full detail, how to fix. that's why i sub your channel and watch all video. learn more.you ARE THE BEST TECH PRO. thanks Brian.

Frank Roger says:

Very good information. Thank you.

Asger Vestbjerg says:

Thanks for sharing. Good roundabout??

David Raleigh says:

I like this format. Please keep doing these

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