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Question on PSU

G

GixJim

n00b
Joined
Aug 13, 2003
Messages
39
I have a new 64 bit machine (Specs below)

I went thru 2 power supplies , first one was a powmax 420 and the second one was a Zalman 400.

with both PSU's the system ran fine for a day or so then just shuit it self off and wouldn't restart. It would post for about 10 seconds then shut itself down 1 or 2 times but then after that it would do nothing, absolutely nothing happens when I push the power button.

What I am wondering is do PSU's have a fuse or something that will short out if something is wrong? I am just trying to figure out why I keep going thru powe supplies.

Thanks in advance
 
oops...got ahead of myself.... specs:

AMD 64 3000
ASUS K8V
Asus 9600 128
1 gig Kushman ram 2x 512
XP
Zalman PSU and Zalman CPU fan
 
Well you need to only buy name brand PSU's. All the others aren't worth $5 now matter how big they are. I would get an Antec, Fortron, or Enermax 400w PSU. Zalman PSU's are pretty good but i would still get a new one.

It could also be your motherboard shorting out. In fact after trying two PSU's and it doing that i'd have to bet on the motherboard more then the PSU.

Lastly what the hell is kushman RAM? lol
 
Something is taking out your PSs, either from the one end, your wall outlet, or from the other end, motherboard.

Some PSs do have an internal fuse that can be changed, but be careful if you open one up as they can hold a charge.

You don't need to dump big bucks on a PS to get a good one. There are many good PSs out there for under $40.

Here's one that I've put in the last several machines I built, including my main rig:

http://store.yahoo.com/akidacomputer/acpowsup50du.html

And a review for it:

http://www.techimo.com/articles/i145.html

But, I'd say check for fuses on your dead PS first.
 
Originally posted by Badger_sly
Something is taking out your PSs, either from the one end, your wall outlet, or from the other end, motherboard.

Some PSs do have an internal fuse that can be changed, but be careful if you open one up as they can hold a charge.

You don't need to dump big bucks on a PS to get a good one. There are many good PSs out there for under $40.

Here's one that I've put in the last several machines I built, including my main rig:

http://store.yahoo.com/akidacomputer/acpowsup50du.html

And a review for it:

http://www.techimo.com/articles/i145.html

But, I'd say check for fuses on your dead PS first.
Click to expand...

Even though that PSU is probably "ok" and got a descent review from Techimo i wouldn't go off of that. And you definately dont need 500w. A 500w psu for only $18 can't be that good. Its best to stick with quality brands like Antec and Fortron. They aren't big bucks really. You can get 300w-400w for $40-$70 and since the largest majority of PC failure is attributed to ESD and the PSU, thats the last place you want to save a buck and cut corners. The PSU can completely destroy your hardware.
 
Some PSs do have an internal fuse that can be changed, but be careful if you open one up as they can hold a charge.
Click to expand...
correct, but some fuses are soldered onto the pcb... i ve opened lotsa powersupplies in the past b4.... some fuses are removable from some sort of socket or clip and other fuses are plainly soldered into the board...of course u may try to desolder and solder in a new fuse but wut if it blows again?...wuts the point, might as well buy a new better one (altho this is completely against the fact i never bought brand name psu, but i never had any problems with them)...

if ur psu blew out twice in a row, it can either be ur outlet or ur computers problem.... get a surge protector strip and try to keep the current rating of the surge protector low so it doesnt allow too much current before killing the surge protector... or u cud find sum sort of machine that measures the stability of ur household outlets and/or get a electrician to check for u

also, try brand name power supplies on that system, if that blew too, then its ur computer...bring it to a computer shop that insurances their mistakes and pretend to be computer dumb so when they blow out their powersupplies, u act like u hav no idea wut happened so they take the losses and fix ur computer...lol, sry for those guys
 
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