No power to mouse, keyboard, or monitor

hallo' everybody

a few days ago my mouse , keyboard , an monitor wasn't getting any power from my tower . at first i thought it was my power supply an i replace it but nothing happen.. so it wasn't that and i returned it . tha cpu an my other fan was spinning as usually . i can hear tha hard drive working , my cd / dvd drive open an close .

my keyboard an mouse lite up as usual when i first turn the computer on an nothing else and my monitor it just goes to power saving mode . weird things is that my mouse would work when the keyboard isn't plug in , but not tha opposite way around .

i some how got my monitor to work but not the mouse or keyboard , but it would just freeze on the " hp invent screen " . on the screen it show the push " esc" to reboot , F1- (i forgot sorry T.T) F10 to system . i have a few more day of school left before i can go check on it at my parent's house.. so i can't really do anything till i go down on saturday .

my system specs is -

HP Pavilion a450n
Pentium 4 / 3.0 GHz:
HyperThreading Technology
800 MHz front side bus
mPGA478

Chipset
848P
1Gig of ram
160 GB Ultra DMA 7200 rpm Hard Drive
GeForceFX 5200 AGP2 8X card: graphic card
ASUS P4SD-LA PES revision 0.01 - motherboard

thank you for taking your time to look at this
 
Back