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My compaq pressario power is turning on but pcu is not starting up

It has windows vista home basic and it is making a noise where it will make a long beep twice and stop for about four or five seconds and then there will be one and stop again for about six to seven seconds and the cycle repeats and i will look to see if the processor light is on and it will light up for a split second when i turn the computer on and it wont light up any more

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  • Compaq Master
  • 27,725 Answers

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Remove added memory If you've recently added or tried to add additional memory to the computer and have started getting these beeps. Remove all new memory you've added to the computer. If the computer works fine after removing the new memory you're encountering either an incompatibility or defective new memory. Open computer and reseat memory Sometimes when the computer is moved or over time a memory stick can become loose causing the computer to be unable to read the memory or get errors as it's reading it. Try fixing this issue by opening the computer removing each of the memory sticks you have in the computer and then placing them back into the computer. Swap memory location If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer. If you have more than one stick of memory try removing all but one stick of memory and boot the computer. Remove the memory modules from their slots. Take the opportunity to clean the slots on the motherboards and the memory module connectors. Use compressed air to blow dust away and clean contacts with a soft cloth. Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components. Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r Allow the pins to dry. They will air dry in a matter of minutes If this does not resolve the issue try removing that stick of memory and try one of the other sticks of memory. Try another computers memory If you have access to another computer that uses the same memory, try using its known good memory in your computer. If another computers memory works you know that you have bad memory. If another computers memory does not work and it is compatible with your computer unfortunately your motherboard or the slots on the motherboard are defective causing it to be unable to properly read the memory, which means the motherboard will have to be replaced. Replace memory If it is determined the memory in the computer is bad we suggest that you replace it if you're not sure if a module is right for your system, use the Crucial Memory Advisor tool for a list of guaranteed compatible modules. First you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system You should always ask for a guarantee on the compatibility before making any purchase and try to buy for working pairs if possible b> Hope this helps.

Posted on Jan 01, 2013

  • 3 more comments 
  • Keith Hertel Jan 02, 2013

    I did that and now it is doing a one to two second beep and then there is a two to three second pause and then there is a three second beep

  • Brian Sullivan
    Brian Sullivan Jan 02, 2013

    so what are they 3 long beeps or 2 short one long check the video (graphics card ) even remove it clean the socket check the power and data leads replace it resart your computer the found new hardware wizard should activate make the keyboard usb or ps2 lead are properly seated

  • Keith Hertel Jan 02, 2013

    its a short and then a long beep

  • Brian Sullivan
    Brian Sullivan Jan 03, 2013

    single short beep and single long beep code for memory problems

  • Brian Sullivan
    Brian Sullivan Jan 03, 2013

    might be a faulty ram module www.memtest.org To test RAM check here - let it run 4+ hours or so. <-- best method or faulty memory slot http://www.youtube.com/watch?v=wGp5AiyJI...

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Posted on Jan 02, 2017

davecon
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SOURCE: It doesn't start up, only beeps and red light flashes

pls try to use another compatible memory stick.

then confirm the status of your micro processor

Posted on Apr 22, 2008

leecom72
  • 4806 Answers

SOURCE: hp xw6200, 6 beeps, and red power button...failed start up.

6 long beeps indicates that there is a problem with the memory, take them out, clean the contacts and the DIMM slots and reseat them.
Hopefully this will resolve the problem, if not new memory may be required
kind regards

Posted on Dec 14, 2008

Bay Ridge
  • 102 Answers

SOURCE: Beeping emachine desktop won't turn on

Hi shyguy,

Before I address your issue, I figured you ought to know:

Buying an emachine is one of the worst moves a consumer can make. Why? because despite the fact that they are cheap, they frequently have problems, which can take money out of your pocket. Not only that, but they can be a pain in the *** in general. The old saying "You get what you pay for" should certainly be followed to some degree when purchasing a computer.

Now that I got that out of the way, on to your problem. I have a feeling that your motherboard might be shot. Before I have you think that, I want you to see if you can open it up and check to make sure your RAM is seated in the slot properly. If that doesn't work, then I think your motherboard is most likely gone.

If you need any more assistance, I'd be glad to try and lend a hand. You can e-mail me at perdue1202@yahoo.com

Good Luck.

Posted on Sep 16, 2009

guitarman002
  • 80 Answers

SOURCE: computer wont start and i get a series of four

4 beeps mean your th'ers something wrong with your computer's memory. Make sure that the chips are seated firmly in their sockets If that dont help pull out the chips and reseat the chips
Hope this helps.

Posted on Sep 28, 2009

  • 28 Answers

SOURCE: Compaq Evo D510 errors

the RAM may be corrupted or not properly installed into the slot. also check if the processor fan is working properly.

Posted on Nov 19, 2009

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