Question about HP Pavilion A642n (PE544A) PC Desktop

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Can this be saved?


We recieved an HP pavillion a642n from a family member and tried to add a new gig of ram because it was limited. My brother installed it - he has never had a problem before.

The computer flat out refused to start. He removed the gig and now it starts running automatically when the power is turned on (not the power switch, but the outlet power) you can turn it off using the button in the front but it sounds labored and the dvd and cd drives are slow to respond opening and closing. There is no response to the monitor while the tower is running.

Since this is not our computer we would like to salvage it, but it depends on what we need to do. It has been suggested that we need a new motherboard - what type would this be? Any help would be appreciated.

Thank you ver much,


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A replacment motherboard sounds correct but to find out the model most manuf. did not post the model on those mobos, there may be hope though I would look around the mother board for a model number still you could maybe find a good used one on ebay. if no model and the mobo will be replaced anyway take a look at what ram you have take off the heatsink off the cpu big metal & fan on top left of mobo most of the time under there will be a bracket with what type of cpu it is (a exp being pga 478 / socket A or socket 462 etc then look for a motherboard that will accomadate both ram and cpu reinstall windows from an oem disk (find one at a local repair shop $20.00 to $50.00 us) new mobo will / should come with drivers used (may not / usually not)

or you could replace ram, cpu, & mobo with a "combo kit" from tiger or neww egg and get a good upgrade

Posted on Oct 24, 2008

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Check that the memory be the right one.
Check that the memory module be sitted correctly into slot
Check your video card (be sitted and configured correctly in your bios)
Check the monitor cables and VGA connector at the back of your computer
Check your CPU (be sitted correctly)
Check your power supply.

If still the problem continues need to replace your motherboard.
Take the motherboard number and model written on the board
With this number you can find your replace.

You can also repair your motherboard

But usually is better to get a new computer instead of repair an old one due the cost or time required to get the parts.

Hope this helps

Have a great day!
Pablo :-)

Posted on Oct 24, 2008


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My hp a642n won't boot from any media. I inserted

old PC, very very old, and no mention of what media
i can thing, of many,
zip drives (1994 to 2003 era or more...)
USB sticks.
boot from net drive. (thin net)

I guess you meant the HDD boot tied, or HDD OS is dead from virus
so tried to boot to a CD? to fix it?
or ? I can think of vast other reasons to boot from non HDD but
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What are you doing./?
or post symptoms?
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the a642n is obsolete and old
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HP Pavilion a642n Desktop PC (says retired, like me, LOL)
searching for facts , on this old PC wow, obscure is the word
it seems " 3.11 (13-Sep-2004) BIOS last release"
its, 13 years old, Id retire it. find a 2010 or newer box.
but do say what you attempt to do and what media is it.?
both type of media and CONTENT.
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