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Won't start My computer won't completely start. When I turn it on, the fan whirs a few times and then it shuts back down. Compac Presario PC130A

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Sounds like u need a new PSU,

Posted on Apr 14, 2008


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Posted on Jan 02, 2017

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Back up to your external hard drive all of the items on the computer's hard drive that you would like to keep. The hard drive will be completely erased during the recovery process. Open the "Start" menu and then click "Shut Down" to turn off the computer. Allow the computer to completely shut down. Press the power button to turn on the computer and then press the "F11" button when "Press <F11> for recovery" is displayed on the bottom of the screen. Select "Recovery Manager" from the utility screen. Click "Advanced Options" and then select "System recovery." Click "Next" to proceed. Follow the on-screen instructions to complete the recovery process.

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Unplug from AC, open the case, clean if necessary, reseat the memory mods, use Electronic Contact Cleaner spray on contacts, plug in, push the on/off button. Does it begin to start, and in a few seconds completly shuts down? No LED's , no fans, nothing? Sounds like a PSU failure. Mine went out in 6 years.

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Does it beep? if it does, whats the beep pattern...ie long long short, or short short short

if nothing else, something is causing a short...check the usb ports (real common) the contacts break from wear and short out, have your power supply tested.

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Replace the fan. The system will overheat and shut down if the fan is not working. Most systems won't boot up it the fan is not working.

Remove the power cord, remove the case and see which fan is not working. On desktops there will be a fan in the power supply where the power cord plugs in and one that sits on the motherboard where the cpu and heat sink are located.

Get on ebay and order another fan based on your computers make and model.

http://www.ebay.com

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I bought a new charger for my laptop as my charger broke, and the little blue light comes on but the laptop won't turn on. I have the right charger, but it still won't turn on. The power light...


The first thing to do is check that the charger is putting out the correct voltage, which should be ~18 volt. Then try to start it without the battery.
If your voltage is OK and the battery out makes no difference, then I would suspect that you have a motherboard problem that must be fixed. If the computer starts up if you wiggle the DC plug where it goes into the computer, then it's the DC jack that is looks and must be re-soldered.

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I have a compaq notebook model CQ61-412NR and i already have the usb fan hooked up under it, but it still keeps getting very hott and shutting down. is it safe to take the cover off the back to clean the...


When the CPU in the computer or laptopoverheats then it will shut down (i.e. thermal overload) and won't boot upagain until it has cooled down. If this is the problem is not fixed then theCPU will eventually fail.
A faulty fan causes this problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged withdust the remove the dust and make sure the vents are clear and dust free. Use acan of compressed air to do this.

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My compaq CQ 61-420 US notebook won't turn on It was on and we left the room for a few minutes and came back in and it was off and won't come back on the 3 lights in the bottum left flash 3 times...


Greetings! Whenever you're dealing with a laptop computer that does not power up the first thing you want to do is disconnect the AC adapter from the laptop.The next step is to remove the battery from the laptop. Then reinsert the battery and reconnect the AC adapter. Press the power switch at this point and see if the laptop will power up normally.

Laptops are also prone to overheating. If the laptop powers up after it has cooled down and then fails again you may be dealing with an overheating issue. Try taking a standard can of compressed air and blowing out the ducts that supply fair to the cooling fan, as well as blowing off any "dust bunnies" or visible debris that have accumulated on the cooling fan itself.

Also make sure that the laptop is not sitting in an orientation that impedes the airflow to the cooling fan.

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It is overheating. It may be a few things, check the vents and make sure they are not blocked by anything (sometimes dust can block them as well). Also listen and feel at the vents to make sure you fell air blowing out (if not the fans may have died out).
The fact that it shut down means it is trying to save the components before they burn out. You should be able to turn it back on once it cools down enough. You can also use a fan to blow air through the vents to speed the process. If it continues to shut down, it will burn out eventually if not repaired. You can get by for a while by using a fan base (you sit the laptop on it and it has fans blowing air on it to keep it cool). You can purchase this at any bestbuy or staples.

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