I just wanted to chime in here. In my computer repair class, I've
ordered several of the different kinds of power testers at Tiger Direct
(and no, I don't work for them or get anything from this). I've found
all but one work very well. The one that DID NOT work well was the one
with the knob dial on it (which I didn't see any longer on that site).
All the other ones worked well. In class, I make the kids test with all
of the testers to make sure (as a redundancy and to show them different
components in action) that they all are working properly. We have yet
to find ones that don't work well. And...they are reasonably priced.
Here are the ones I've used:
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1723554&CatId=1797
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1647108&CatId=1107
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1699977&CatId=1107
Date: Mon, 26 Jun 2006 08:44:43 -0400
From: Rich Koziol <[EMAIL PROTECTED]>
Subject:
Re: Figuring out why my system is hanging up
On 25 Jun 2006 at 18:09, Bernie Cosell wrote:
On 25 Jun 2006 at 22:35, Kylde wrote:
simple test: FIRMLY unplug and reconnect all connectors on the
motherboard, after that I'd suspect PSU
I'll do that --- as for the PSU ["Power supply unit"?] it is only about a
week old, so I wouldn't think it would be the problem [but it could be a
lemon, I guess]. How do you check for a flaky power supply?
You may have disturbed one of the plugged in devices - expansion
cards are very easy to do, but do all others.
I'd go one more step, when you unplug devices. If possible run an
ordinary eraser over the contacts. If not or in addition two, when
there's a problem, I'd spray a small amount of contact cleaner and
insert/remove a couple of times.
As to PSU testing, well I do not know of any "reasonably" priced
testers, which would do anything useful. A good tester would have to
apply load to all the sections of the PSU and be left on for a while,
looking for voltage levels and have some logic to trap departure from
nominal.
When I was having problems, that I suspected a PSU of, I bough a
gizmo made by Anatec that was to test a PSU. IT did not work at all.
I was too mad to even return it and spend time on the phone
explaining.
Never assume that a new electronic product is functional. I have
seen enough NEW things that were bad and wasted lots of time looking
for something else. Once I even got two new devices that were both
bad and almost pulled my hair out, as you certainly do not expect
both to be bad :-))
--
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