My Computer Has Started to Shut Down Randomly. Could it Be the Fan?

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For some reason, my computer randomly shuts down a lot. It’s been happening more and more. It started around the start of summer. It usually would shut down for no reason. Yesterday, it said Over Temperature. This shutting down thing is annoying. When I’m trying to do work, I lose it all and the computer shuts down. I asked my cousin, he said that it could be my fan. I haven’t checked yet, I’m going to ask you first, is it my fan? Or is it another problem? 

Maybe.

The “Over Temperature” is definitely a clue, and the fan is a definite possibility.

But first we should talk about … dust bunnies.

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Why do I get a black screen on my computer after a while?

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My computer switches to a black screen after about 5 to 15 minutes of use. Then I have to turn it off to get another 5 to 15 minutes of use. Can you tell me what part of my computer is causing this black out?

I get questions that boil down to this symptom quite often.

Unfortunately, it’s very hard for me to offer concrete help.

The problem is that there are so many possibilities that could lead to this symptom. There’s simply no single “part of my computer” to point at.

There are many things to look at, and look for, so I’ll review the most common causes and remedies.

Read moreWhy do I get a black screen on my computer after a while?

Why Does My Computer Crash at Random Times?

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My PC is not quite a year old yet but it recently started to crash, even while just running Word. Antivirus (both) check everything in order. What could possibly be the matter here?

A “crash”, for the purposes of this discussion, includes things like random blue screens, random reboots, freezing up and just randomly shutting down or going to a completely black screen without warning.

I actually have several articles on crashing randomly, but because this is such a common scenario I want to update my approach a little.

In particular, I find one cause to be the most common.

I’ll look at that, and then review what else might be going on.

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Why does my computer crash when I try to back up?

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My husband keeps telling me that I need to backup my computer so that we don’t lose our photos or files from my home business. A couple of years ago, we spent $100 to buy an external hard drive. We used it, but it would freeze my computer. It would literally take a day or two before we could get the machine to work again. We contacted the company and they sent out a different software download. We tried for a year to get that blasted external hard drive to work. My computer would shut down within five minutes of plugging it in.

We bought a new computer and tried the same external hard drive with the same results. We then purchased a program from my husband’s college called Crash Plan. The same result as the hard drive happened. We uninstalled the program. Last week, my husband again pleaded to me to have me backup my files. We purchased a plan for $50 through iDrive. It actually started to backup files – good progress! 50 hours later, we were only at 25%. My computer was hot to the touch and the fan was running so loud that you could hear it upstairs. We paused the program just to let the computer rest. We let it rest for two days. I turned it on this morning and it froze three times within the hour. Even Ctrl + Alt + Delete wouldn’t work. Why will my computer not back up files? There honestly has to be a better way.

Backing up shouldn’t be this hard. All of the things that you’ve tried should work.

Your computer shouldn’t crash after you plug in an external hard drive or run a backup. Technically, a computer should never crash. The only thing that has me puzzled here is that the crash happened on two different computers.

So, let’s talk about what could be going on here.

Read moreWhy does my computer crash when I try to back up?

Why is my computer’s fan coming on?

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My computer fan kicks in for no reason. It never did this before, but it does now. I know that a dirty computer fan could cause overheating, but I checked and blew out the fan with compressed air. Nothing came out. What could be the problem?

The problem is still heat related. The question then becomes: where’s that heat coming from?

Read moreWhy is my computer’s fan coming on?