The voltage issue is MOBO sensor related and not uncommon, never trust your mobo sensors to tell you anything more then you actually have voltage. They are not reliable and prone to error. When I worked for an Intel shop, they used to tell us to ignore all BIOS and sensor information other then it told you if it worked or not, little else.
Memory is a great option but check out BIOS settings in relation to your AGP card. Apeture sizes can vary, 64 is a good size but 128 as long as your card has more memory will be more stable. Make sure BIOS setting for caching video is OFF that is an old setting and can cause issues with newer cards on a older mobo. Also your BIOS may have AGP speed settings, if its set to "Turbo" or "Fast" change it to normal, again this can help.
Upgrading on a Teir manufacture is always an issue. They maybe great stable machines from the factory, they are not so great when changed.
You may have to buy HP certified memory, I may not be the biggest kingston fan, but they sell certified memory for almost every teir's system.
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Thanks guys. I'll give these a shot. Unfortunatelly I'm away on a business trip so I'll have to look at her computer when I get back.
The second I saw it had onboard I groaned because I got her hooked on computer games (she's obsessed with L4D) and I'm trying to get her computer to even attempt to play it.
It looks like however I may have to donate the innards of my computer to her and just get an i7 for myself.
Good luck on this one, my wifes computer has given me no end of grief when I try to change anything on it (Dell).
Besides, look at it this way, you said you wanted an i7, what better excuse than this?
LOL :)
ST
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Everest would also be reading those values from the Mobo which wasn't changed...the only way to really tell if your volts changed due to PS would be a multimeter before and after changing, and you would need to monitor during load and idle
- this is exacly what I was thinking, everest is reading the voltage off the MB and that was not changed-hence the same voltage reading with two different PSU's.