Question about HP Pavilion a420n PC Desktop

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Just installed 2 gb pc 3200 in hp pavilion a 420n

Computer does not boot after turning it on, just makes a beeping noise.

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Remove the sticks and put them back again, make sure you hear the "click", the click means that the sticks are where they should be in possion,¨

Btw, you bought sticks that are suported by your Mobo i asume?

Posted on Dec 07, 2008

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if you have a video board add on card, reseat after unplugging power cord.
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Remove and reseat the memory card(s).

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If the beep is a very high pitched tone, turn off the computer. Your CPU is overheating. The thermal paste may not be spread correctly on the CPU or the heat sink isn't properly installed.

Otherwise, it's probably a memory error. This machine takes 2 GB of memory as 2 single GB memory sticks. Try booting the machine with only one DIMM installed. Try each stick individually before getting replacement memory.

I hope this helps.

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I purchased 2 GB chips to try to increase the speed of my desktop. After putting in the chips my computer won't boot back up, my monitor is black and the computer is making a constant beeping nois


OK. First, I'm assuming that you have a Dell Vostro 200 as per the topic title. That said, you machine has a maximum memory capacity of 4GB. So, if you added the 2 - 2GB DIMMS in slots 3 and 4, leaving your original memory in the machine, you will have problems. You must be using DDR2 667 or 800 MHz RAM and the two DIMMS must be in slots DIMM1 and DIMM2 ( closest to the processor). No more than that can be installed.

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Both ram sticks must be identical to work together. A different manufacturer of one can cause all kinds of problems. Did you go to 'setup' to make sure the machine recognized the second stick? The cure is likely to be purchasing another stick identical to the other new stick. Hope this helps!

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restart your computer continues press F8 key it will show the option select safe mode
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HP pavilion a400n PC not booting....


1. Did you you run the Win 7 simulation prior to upgrading to Win 7? 2. How much RAM does your PC have? I just checked your specifications http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&lang=en&cc=us&product=391284&dlc=en&docname=c00057188
Your computer takes a max of 1GB RAM and the minimum required for Windows 7 is 2 GB. This PC is not fit for Win 7. Sorry.

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Hi,
Its highly unlikely that its the hard drive as a computer will still show a post or splash screen without a hard drive being installed.
Is the computer making any beeping sounds?

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try the new memory one by one and the memory should be PC2 3200 MB/sec and DDR2 SDRAM and as there r 4 slots try diffrent slots also

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I just had the same problem to deal with. My computer automatically turned on, and just when you thought it was gonna work, there was a single, loud beep. I immediately unplugged the computer. Make sure all the cords and chips are properly and securely connected. My problem was that my memory cards were loose. Maybe that'll help.

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