Question about HP Pavilion a1410n (ER890AA) PC Desktop

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Trying to find a power button

Need to find a power button to fit e machine desktop t2682 to motherboard p4m800pro m478. do i look under the computer or motherboard or where. I'm lost

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  • gregie3577 Apr 17, 2009

    i already replaced the motherboard, in the process my daughter pulled the end off the power button cord that plugs into the motherboard and i was trying to find a replacement cord that goes from the power button to the motherboard.

  • Leng Yang May 11, 2010

    I'm not sure if you have a Microcenter or Frys located close by to you but that is where I would recommend going to find that plug. You'll basically need to splice and crimp in a new head/plug. Or you if you have a donor case some where, try to cut that plug off (with a bit of wire along with it) and splice that in using both ends of the wires. Not sure if that'll work or not but that's what I would do. Short of buying a whole new case OR getting a new power switch (not sure if they sell them like that).

  • Leng Yang May 11, 2010

    So you are trying to put a new motherboard into your computer?


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I don't know how to connect small cables like USB cable and power cable..Please help... In USB:(Vcc+,Vcc-,Ground,e.t.c) In Power(Power SW,e.t.c)


Since your using P4M800PRO-M478, I recommend you to read the manual to refer about the pinouts for all the connectors for your motherboard.

Just in case you don't have the manual, here the link for you to download.

Don't forget to rate my solution, thanks!!

Jan 11, 2009 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

Switching ddr to ddr2 memory

re-examine the memory chips.... sometimes swapping slots (still ddr2 slots) will fix the issue. the other possibility might be that you have to set them up in the bios ... if you happen to have the manual for that board.... make sure there isn't supposed to be a jumper on the motherboard that needs to be changed as well.... some ideas to try... in the mean time i'll go look and see if i can find the manual myself and perhaps i'll have found it.


Dec 19, 2008 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

Power supply burn

If the supply was the previous problem, the motherboard may be destroyed as well. Try it with just the motherboard, PC speaker, processor/cooler and power supply. If there are beeps, then the motherboard is ok and it may be the memory.

Nov 04, 2008 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer

P4M800PRO-M478 doesn't function

I had told you I changed one Fet that positively had burned. I placed a IRFZ48N, a more powerfull transistor, unecessary of couse but the only I had in my old things. But the board doesn't function and so I searched for more damages and yesterday I found two resistances of 0 ohms opened. I changed its by a jumper and power on the MB. Today it is running with a Pentium 4 2Ghz, the OS Windows XP SP2.

Jul 09, 2008 | EliteGroup P4M800PRO-M478 Motherboard

1 Answer


check the processor and the ram either they are working properly

Apr 11, 2008 | Mercury P4VM800M7 Motherboard

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