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Our Power point Projector keeps shutting off like it is over heating- we are not sure why. It does reboot and start up again- but then again goes off in a few minutes. Any clues of what to look for

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There should be a filter next to the fan, you can take it out and clean off all the dust. this will help it cool better. also, make sure wherever you use it, it has clear space round it and away from raditors etc

Posted on Feb 20, 2008

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My Pryon with Windows 7 occasionally unexpectedly shuts down even though there was no power surge. It reboots alright. What should I do?


I didn't know what a pryon was til I looked it up. Is it a desktop? If so you might have to clean out the inside. Blow out the heat sinks and the power supply( both directions) and any dusty looking areas. If it's a laptop you could try and make sure you aren't covering any of the cooling ports when using it. Like sitting in bed with it on the blankets.

Nov 21, 2014 | Computers & Internet

1 Answer

Hello, I have a gateway pc that all of a sudden turned its self off, then a 2 seconds later powers up; but it does get to the point of reboot, just to the point where the fans start to spin, then it shuts...


it shows that the power supply may gone bad, not able to bear fan's load,
2nd option is processor gone heat up and restart
3rd motherboard may be faulty

Nov 24, 2010 | Computers & Internet

2 Answers

Computer does not fire up. I do have steady green light on power supply. All motherboard connections appear to be tight.I have come home before to a beeping noise in the past. After resetting the machine...


That beeping noise may be due to over heating.
Most machines today have a temperature setting that will turn the machine off once the temperature reaches a certain point.
Safety feature to avoid damaging your cpu and components.
The shut down and restarting allows the CPU to cool down briefly.
Thus allowing you to start the machine again. Usually it will shut down again once the temperature threshold is again reached.
Good test is let the machine sit for 30 min. If it immediately starts up and shuts down a few minutes later. Heat build is usually the problem.

Typically this is due to heat sink or Fan on the computer CPU.
Check to be sure both are connected to the CPU and functioning.
If you have a fan on top of the heat sink above the CPU. Make sure it is working correctly. Dust build up over time will eventually kill the fan bearings or reduce airflow. Heat sink can and will become clogged with dust also. Replacement fans are easy to find. Heat sinks are even easier to clean.
Depending on your machine and CPU position replacing the fan can be a challenge. But can be done in a few minutes with minimum tools.

Each bios has different post codes and it is difficult to tell what is happening with out knowing the bios of your particular machine. Listen for the beeps and check your computer manual.
You can also google for this. Here is a web site that lists a few bios P.O.S.T codes.
http://www.computerhope.com/beep.htm
Once you know the beep sequence you can look it up. Usually points to the problem and you can go from there.

Good luck!

Oct 06, 2009 | Computers & Internet

2 Answers

Emachines w2828 keeps shutting down reboot/Screen Freeze


I dont thing this is a virus problem but a heat problem. if you dont mind getting inside the box see how clean it is and put your hand on the power box case .. then unplug all the hardware except the mother board then turn the unit on, if it goes on then plug 1 hardware at a time.

Sep 04, 2009 | E-Machines eMachines Desktop PC

2 Answers

Computer keeps restarting...


it sounds like your hard drive is bad. You can buy a new hard drive or you can try SpinRite I love this program and has fixed so many issues.
you can find SpinRite here http://www.grc.com/sr/spinrite.htm

Apr 23, 2009 | HP Pavilion 520N PC Desktop

1 Answer

Constantly reboots itself


The Gateway GT5220 has an AMD Athlon 64 processor. It has been documented that Windows XP SP3 doesn't play well with some AMD CPUs. I'm pretty sure this is one of them. I would suggest attempting a system recovery using a restore point on a date BEFORE you installed SP3. If that doesn't work, you might consider recovery using the original Gateway Restore CD. It will likely wipe the system, but that might be the only choice.

I would NOT start with the total reload option. We have a couple others before you get there, so try the restore point and then let me know the results. We'll go from there...
Regards,
Char1ieJ

Nov 04, 2008 | Gateway GT5220 PC Desktop

1 Answer

My computer keeps rebooting and will not even let me start it up in safe mode.I blew the dust out of it and it restarted and let me into the desk top for about 5 minutes but then shut down before I had a...


Constant rebooting of a computer can be cause by alot of reason the most common for this is due to oevrheating, to check if this is a overheating problem try to open the case of the tower and put a electric fan in front of the tower to coll it down then power ON thecomputer and if it booted up fine with a electric fan blowing on the tower we're sure that you need to add some colling device on the computer tower, But if still do the same thing the problem here is the power supply unit it needs a replacement already....

Oct 22, 2008 | HP Media Center PC 873n (P9875A#ABA) PC...

2 Answers

Start up issue...


I have the same T3256 emachine. It starts up then quickly shuts down. Sometimes it'll run for a few minutes and then shut down. I too replaced the power supply for 80 bucks with the same result. Then I thought, the switch is not a toggle on/off switch, its a push in, spring loaded type. I opened the front of the machine, removed the switch from the snal clips, open the switch (boy its small) vacuumed all the dust out when i replaced the power supply, and simply claned the internals of he switch. bw careful, there's a small spring that is easy to lose! I just did the cleanup thing again today. the firs cleaning lasted 6 months and it didnt start for nearly 4 years. So dont give up!! All I did was just scrape the contact wih a pointed knife until it was shiny again. Be sure to clean both sides.

Sep 18, 2008 | E-Machines eMachines Desktop PC

2 Answers

The power light keeps flashing orange


I had my Optiplex GX520 at work shut down abruptly every time I turned it on it in the morning. This would always happen within the first 30 minutes. I would then get the flashing amber light. After starting the PC again, it would stay on all day (over 8 hours) without shutting down again. I found that the power supply was over-heating.

Two things need to be done. First, in order to get the amber light to stop flashing, un-plug the computer from the wall for 30 seconds then plug it back in. OR hold down the power button for 10 seconds or so. The light should stop flashing. Then press the power button again and the PC should start.

But why did it abruptly shut down in the first place? The power supply has a fan-speed-control circuit in it to keep it running slow and quiet when the power supply is cool. It gives the power supply lower voltage when the power supply is cold and higher voltage as the power supply gets warmer. This circuit either is not working correctly or the fan getting sticky over the years and needing more voltage to get it moving when it is cold. I found that the fan was not starting at all and causing the power supply to over-heat.


To keep the fan moving at full speed, I cut the wire to it and wired it to the +12v output directly. Not the fan goes at full speed all the time. And yes, it is nosier. But at work it doesn’t matter.

The best solution would be to just get another power supply from Dell if possible. Or buy a +12v, 70mm fan from Digi-Key and replace the original.

Jun 27, 2008 | Computers & Internet

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