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#1 ucma

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Posted 15 November 2014 - 08:50 PM

its a compaq presario 2100 laptop (almost 8+ years old, sparingly used for the last couple of years), running on windows XP-home edition.

 

it has had its battery replaced and now the new one too has almost lived its life.but i was having no problems connecting it to the mains and it worked seamlessly.

 

after checking into updates and refreshing it was left idle for almost a couple of months and when i tried to boot it up it had a blank screen all through and booting lights and fan unit going on and off after an interval of approximately 15-20 seconds until the time i had to manually shut it down by long pressing the start button.

 

The cables and connections are all secure and tight jointed.

 

Trying to boot it up in safe mode(F8) also was not rewarding as it maintained status quo,  except the thing that the blinking lights and fan unit has stopped going on and off and has to be manually shut down as it does not display anything for a considerable time.

 

should i take this as a sign that the system has booted itself?

 

the system was in no way used for the internet in past and had been refreshed and scanned(with updated MSE) with no virus definitions whatsoever.

 

can i boot it externally and if that is a probable solution then how?

 

as i am not a hardware/software person, i have not tried anything on it and am waiting for an expert advice to act on.

 

 

 

 

this is the first time it has given me any trouble.

 

thank you in anticipation.

ucma



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#2 Ezzah

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Posted 16 November 2014 - 07:53 AM

Being such an old laptop, it could be a number of things. A dying power supply, frayed wires (unlikely), malfunctioning motherboard... I doubt it's a virus infection, it shouldn't cause those symptoms anyway, and since you've used it sparingly, it's very unlikely.

 

Is it possible for you to pull it open and take a look inside? I would suggest going to a local computer store to get it checked, or even a completely new laptop. Eight years is a long ass time.


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#3 quietman7

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Posted 16 November 2014 - 09:11 AM

When was the last time you cleaned the inside of your computer? Dust restricts the airflow and prevents proper cooling. This in turn can cause overheating and faulty processor fans which can result in unexpected shutdowns, random restarts, booting problems, etc. If you use a notebook, they get dirty too and need to be cleaned.
  • Clean out the vents on the computer with a can of compressed air using short bursts to ensure that they are not clogged with dust.
  • Unplug the computer and everything from the back of the unit (be sure to note where to plug it back in).
  • Open the case and clean out any dust and debris you find inside. Be careful not to aim the compressed air directly at the circuit board or electronic components.
  • Important! Be sure to discharge any static electricity BEFORE you touch any of the components by touching the bare metal inside surface of the case. Do this FREQUENTLY while you are working.
  • Check all the electrical connections and make sure the fans are all operational.
  • Remove the cards and RAM modules, clean the contacts and reseat them.
  • Check the heat sink on the processor to ensure it is not blocked with dust or debris.
  • Remove the CPU's cooling unit and clean the fins on the heat sink that sits under the CPU with a can of
    compressed air.
  • Feel the CPU heatsink when it powers down. It should be warm to very warm but not hot.
  • Inspect the thermal compound between the CPU and heat sink as it can deteriorate over time so. You may need to remove it, scrape away the old thermal gel that makes contact with the processor, then apply a very thin coat of fresh thermal grease on the surface and fit the heat sink back in place again.
  • Inspect the capacitors on the motherboard for leaking, bulging, foaming, or discoloration.
  • The airflow inside the case is from front-to-back and from bottom-to-top. Carefully arrange the cables so that the airflow will be unobstructed when closing the case.
  • Continue to monitor the temperature of your CPU, motherboard, hard disks, voltages, and fan speeds.
  • FOR LAPTOPS: Obviously, you cannot open the case. However, dust will build up inside a laptop as well. Use the compressed air to blow out all of the ventilation holes.
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