LinuxQuestions.org
View the Most Wanted LQ Wiki articles.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Hardware
User Name
Password
Linux - Hardware This forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

Notices

Reply
 
LinkBack Search this Thread
Old 07-15-2013, 08:33 AM   #16
Pastychomper
Member
 
Registered: Sep 2011
Location: Scotland
Distribution: Debian
Posts: 42

Rep: Reputation: 6

I once had a situation as you described, and it eventually turned out to be the power cable - there was a bad connection somewhere in/around the wall plug. It took months to track it down, but at least it was cheap to fix!
 
Old 07-15-2013, 04:43 PM   #17
brunobbn
LQ Newbie
 
Registered: Mar 2013
Location: Brazil
Distribution: Arch Linux
Posts: 29

Original Poster
Rep: Reputation: Disabled
Guys, I did the memtest86+, and it didn't report errors. So now we are sure that the memory is not the problem. But We've checked the Motherboard, Memory and the temperatures, and now? What hardware may be causing those shutdowns?
 
Old 07-15-2013, 05:12 PM   #18
brunobbn
LQ Newbie
 
Registered: Mar 2013
Location: Brazil
Distribution: Arch Linux
Posts: 29

Original Poster
Rep: Reputation: Disabled
Pastychomper, tanks, I'll replace it and will check if the problem will occur.
 
Old 07-16-2013, 02:35 AM   #19
H_TeXMeX_H
Guru
 
Registered: Oct 2005
Location: $RANDOM
Distribution: slackware64
Posts: 12,928
Blog Entries: 2

Rep: Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266
I think it is the PSU, how much power does it provide and is it enough:
http://www.extreme.outervision.com/p...ulatorlite.jsp
 
Old 07-16-2013, 08:35 AM   #20
brunobbn
LQ Newbie
 
Registered: Mar 2013
Location: Brazil
Distribution: Arch Linux
Posts: 29

Original Poster
Rep: Reputation: Disabled
H_TeXMeX_H I don't think it is the PSU, when I bought this PC, 2 years ago, I wore the same hardware that I have now + nvidia geforce 9500GT, and my PSU was 500W, my video card broke, so I removed and it still working with that PSU until now, when it started to shut itself down I bought this new PSU "CORSAIR CX500" 500W as well.So, the system never shut itself down when I had a graphic card, why the PSU can't provide the enough energy anymore? I did the simulation in the site that you wrote, and I got this.

Minimum PSU Wattage: 274 W

Recommended
PSU Wattage: * 324W

My desktop configuration is: CPU: AMD PHENOM II X4 3.2GHz BLACK EDITION, MARK VISION 4GB DDR3, HD: 500GB 5400RPM, GPU: Nvidia 7025a (onboard), DVD drive, 1 80mm fan.

Last edited by brunobbn; 07-16-2013 at 07:08 PM.
 
Old 07-16-2013, 08:50 AM   #21
H_TeXMeX_H
Guru
 
Registered: Oct 2005
Location: $RANDOM
Distribution: slackware64
Posts: 12,928
Blog Entries: 2

Rep: Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266
Try this CPU test in mode 1:
http://www.mersenne.org/freesoft/#source
If it passes for 13 rounds, then the only thing left is the motherboard if the PSU is new and known good. Do you have a spare mobo to test with ?
 
Old 07-16-2013, 07:44 PM   #22
brunobbn
LQ Newbie
 
Registered: Mar 2013
Location: Brazil
Distribution: Arch Linux
Posts: 29

Original Poster
Rep: Reputation: Disabled
Unfortunately, I don't have another motherboard to test it. How do I start the program? I tried to execute "./prime.c" "./prime.h" but it didn't works. Tanks

Last edited by brunobbn; 07-17-2013 at 06:50 AM.
 
Old 07-27-2013, 02:32 PM   #23
brunobbn
LQ Newbie
 
Registered: Mar 2013
Location: Brazil
Distribution: Arch Linux
Posts: 29

Original Poster
Rep: Reputation: Disabled
someone?
 
Old 07-28-2013, 02:18 AM   #24
H_TeXMeX_H
Guru
 
Registered: Oct 2005
Location: $RANDOM
Distribution: slackware64
Posts: 12,928
Blog Entries: 2

Rep: Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266Reputation: 1266
You don't have to compile it, there are binaries as well:
ftp://mersenne.org/gimps/

Run it and then answer N=Just stress testing, press enter on the threads question, and then the torture test number is 1 for only CPU testing (plus a bit of RAM).

Last edited by H_TeXMeX_H; 07-28-2013 at 02:20 AM.
 
Old 07-29-2013, 11:05 AM   #25
dt64
Member
 
Registered: Sep 2012
Distribution: RHEL5/6, CentOS5/6
Posts: 141

Rep: Reputation: 18
Have you ever tried disconnecting all cables from the motherboard and reconnecting them?
Recently I had a similar issue, so eventually I replaced the motherboard and everthing was ok. Out of curiosity I put the old "broken" motherboard back in and it worked as brilliant as it could be. Unfortunately I still don't know what it actually was but it still works...
 
Old 07-29-2013, 04:28 PM   #26
911InsideJob
Member
 
Registered: Jul 2013
Distribution: Mint KDE
Posts: 74

Rep: Reputation: Disabled
That's actually good advice for a lot of things dt64: check the connections first. Fixed my car more than once by doing that. These new lead-free motherboards can actually grow "tin spurs" that'll bridge gaps between contacts. Unplugging them and plugging them back in just scrapes the connector clean but it works. CRC QD (quick dry) electronic cleaner might help too... just in case you got some pizza grease and coke in there. LOL
 
Old 07-30-2013, 11:35 AM   #27
selfprogrammed
Member
 
Registered: Jan 2010
Location: Minnesota, USA
Distribution: Slackware 10.2, 13.37
Posts: 215

Rep: Reputation: 45
(After writing this, I see that some other posts already have covered some of this.)

Power supplies have automatic shutdown on several criteria. Which exact conditions will trigger a shutdown should be listed on the box and manuals.
Overvolt : one of the outputs has exceeded a valid voltage.
Overcurrent : one of the outputs is drawing an excessive amount of current.
Undervolt : insufficient mains voltage

In addition the motherboard can command the PSU to shutdown. This is a signal wire in one of the PSU motherboard power connectors. If those wires has a bad connection then any vibration can cause the PSU to shutdown.

1. Disconnect and remove drives, video card, PSI cards, and USB equipment from the motherboard.
2. Turn on PSU (with just motherboard connected), and note if it will run.
I assume the front panel power switch is still connected. (see post below for alternative PSU power on/off.)

If it does shutdown now, then
2a. check the power going into PSU as being valid voltage. Sometimes a transformer on the pole goes bad and you only get 90 Volts. If low then check against PSU requirements.
2b. Wiggle the cables between the motherboard and PSU. If it does shutdown when cables are wiggled, then either broken wire, bad solder joint in PSU, or bad connector
2c. Bad power switch to motherboard, or bad connector to faceplate switch. A short here could switch off power. Check that the power switch wires are actually on the correct pins.
Cross connecting the power switch wiring to something else could cause this kind of problem.
A broken faceplate power switch may create false button press.
Tap on (but not push) the power switch, front and backside, the switch terminals, and its wiring. If it does shutdown then replace that switch (or wiring). You can tap with something non-conductive. (see post below for alternative PSU power on/off.)
2c. Otherwise, suspect excessive current draw by motherboard. This can be due a voltage regulator, or CPU failure, or northbridge failing. Feel around for something excessively hotter than the normal hot. Dampen your fingers (not wet, just damp enough so you don't get burned) and quickly tap heatsinks and tops of chips. If your finger sizzles then that is it. Don't get water in connectors or on chip pins.
2d. Overclocking will make some chips run hotter than normal, and will increase current drawn from PSU.
2e. Note. some recent designs may normally run so hot that your finger sizzles. You must know if you have one of these kind of extreme boards. They have large cooling systems that MUST be working, and probably require the covers in place to cool things adequately. The PSU must be choosen appropriately for such a system.


3. PSU does not shutdown with only motherboard.
So add back components one at a time, and testing for PSU shutdown.
Video card.
Hard drives, one at a time.
Sound cards.
If shutdown with card in place, then
3a. Bad card. Check for excessively hot device.
3b. Mostly likely the PSU has insufficient current for the video card you have choosen. Many top end video cards have excessive current needs on particular cables. Many cheap PSU manufacturers will fudge their specifications. The wattage of the PSU is not the only important factor. Total up the current requirements needed for each voltage (motherboard, video card, drives, plus extra devices). An AMD system will have a different current specification than an Intel system, which can affect which PSU you choose. Your PSU must be able to supply that current at the specified voltages and more. Notice that there may be multiple independent voltage outputs on some PSU units (like two independent +12Volt outputs). Try to have 40% to 150% extra capability in the PSU, otherwise you will be running the PSU at its limits.

9. After this point you need a tech with a voltmeter, at minimum.

Last edited by selfprogrammed; 07-30-2013 at 12:36 PM.
 
Old 07-30-2013, 12:25 PM   #28
dt64
Member
 
Registered: Sep 2012
Distribution: RHEL5/6, CentOS5/6
Posts: 141

Rep: Reputation: 18
Point 2 above will not work unless you tell the PSU to start. This is usually done by the mainboard but can be done manually as well.
See http://www.youtube.com/watch?v=u0OKmIuNtmI for how to do so.
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Can't Shutdown Computer! juboba Linux - Software 4 08-03-2007 01:29 PM
Computer does not shutdown jxrod2000 Suse/Novell 5 12-17-2006 10:19 AM
Could not shutdown the computer wlaw Linux - General 4 10-13-2006 02:29 AM
Do you shutdown that computer ? pleasehelpme General 32 05-16-2005 10:59 AM
how to shutdown my computer saiz66 Slackware 13 04-30-2003 09:19 AM


All times are GMT -5. The time now is 07:43 PM.

Main Menu
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration