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system having power on issues

bleuless

Senior member
I've been having these power issues and it just seems to get worse by the day.

sometimes when i turn on my computer, it powers on with the fans spining, the lights for power comes on, but it doesn't really come on, and sometimes shuts itself off after a moment. what i mean by it doesn't come on is that, the monitor stays off, and the HDD doesn't spin (i hear a higher pitch whine when it does turn on)

now, here's an interesting fact i found. I can look at the lights on my router to fortell if the computer will truely come on or not. the NIC is connected to my router which is right next to my computer, and if the computer is off, that port on the router will show no lights, and when the computer is on and working the leds on the routers will stay on. if the computer gets turned on, and the lights on the router for my NIC's particular port doesn't stay on and flashes on and turns off instead, then I know the computer won't come on.

its almost like the computer has a false power on state. and I need to turn it on and off, press the reset button serveral times, and go sacrifice a virgin then come back and try it serveral times, and IF i am lucky it'll work.

i have tried unplugging some unnecessary fans and see if that frees up some juice, but it doesn't make a difference. i've tried taking the nic out and let it boot, and no difference, i rearranged the cards in different slots no change. my co-worker tells me he has the same problem, and it is XP's ACPI thing screwing it up, and the only way to fix it is by reinstalling and choice NO ACPI option. I talk to my other friends and they have similiar problem sometimes, but for them it always seem to work after turning it off and back on again.

now, here are some stats from my bios menu, hopefully it'll mean something. btw, the computer is overclocked.

Vcore 1.84 ~1.87
VIO 3.53~3.55
+5V 4.97~4.94
+12V 12.46~12.52
AGP 1.53
DDR 2.83
5VSB 5.13
VBAT 3.12

help appreciated.
 
PSU
DURO
400W MAX
115VAC 7.0A 50/60Hz 230VAC 3.5A 50/60Hz
3.3V 5V 12V -5V -12V +5VSB
28A 30A 11A 0.5A 0.8A 3A

abit kr7a-133 family (forgot the exact model)
overclocked DDR 512 ram
overclocked AMD xp1600
GEForce 4200
3Com NIC
Sblive 5.1
USB 2.1 card

is this enough?
 
Originally posted by: bleuless
PSU
DURO
400W MAX
115VAC 7.0A 50/60Hz 230VAC 3.5A 50/60Hz
3.3V 5V 12V -5V -12V +5VSB
28A 30A 11A 0.5A 0.8A 3A

abit kr7a-133 family (forgot the exact model)
overclocked DDR 512 ram
overclocked AMD xp1600
GEForce 4200
3Com NIC
Sblive 5.1
USB 2.1 card

is this enough?
pretty much..the Duro isn't exactly quality(I believe it should be sufficient but most on here will say nay and possibly be correct) but..you need to get a good light and inspect that abit kr7a-133 family mobo's caps for bulging/leaking/oozing/marshmellowy stuff..gl
 
caps are the silverish cylinders about 1" tall right? they appear fine from a rough look. but i'll pay closer attention if you can confirm that is what i should be looking at.

oh, also, sometimes when the computer doesn't boot up normally and shuts itself off, I need to hold the power button in for a while, then let go, then I can power it on. If i don't hold the power button in like i mentioned, I can not power on the computer. i also hear a discharge (sounds like it, or it could be a fan coming to a stop) about 2 seconds after the system powers down completely. is this noise normal?
 
Originally posted by: bleuless
caps are the silverish cylinders about 1" tall right? they appear fine from a rough look. but i'll pay closer attention if you can confirm that is what i should be looking at.

oh, also, sometimes when the computer doesn't boot up normally and shuts itself off, I need to hold the power button in for a while, then let go, then I can power it on. If i don't hold the power button in like i mentioned, I can not power on the computer. i also hear a discharge (sounds like it, or it could be a fan coming to a stop) about 2 seconds after the system powers down completely. is this noise normal?

if the caps are fine get a quality psu..def sounds like the Duro is not so durable..😱
 
That would be the caps, those small tower looking like things. Dosn't sound normal as to the 2 secs after. Have you tried Checking to make sure you are getting good contact to the mobo with the power plug to the board? Check that when the setup is off and After waiting at least 1/2 minute, after you have unplugged the power from the wall.
Possibly, it could be a bad start switch, or perhaps a bad connection somewhere.
 
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