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#1 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Computer will not power up.
Hi,
This is my first build. When I go to turn the PC on I get nothing its like the PSU is dead but I know it is isn't because the same PSU is inside the PC I am on now, which has a higher spec. So it is definetley powerful enough. All I can hear is a really high pitched squeaking noise coming from the PSU. It doesen't make this noise when I have it in this PC. I am totally confused by this could it be a faulty mobo? Thanks for you time. Ben. |
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#2 |
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Member (10 bit)
Join Date: Sep 2006
Location: New York City, New York // Greeniwch, Connecticut
Posts: 847
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Wait...so the PSU turns on...(is the fan in the PSU spinning)...or does the PSU just squeak? My guess is you have a bad PSU, (whats the make and model?)
__________________
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#3 |
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Staff
Premium Member
Join Date: May 2005
Location: Doncaster, UK
Posts: 3,563
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Follow the steps in this thread:
http://forum.pcmech.com/showthread.php?t=132409 Please post the brand and model of all your components, including the power supply. FK
__________________
-FK- "Take up our quarrel with the foe: To you from failing hands we throw, The torch; be yours to hold it high. If ye break faith with us who die, We shall not sleep, though poppies grow, In Flanders fields." - John McCrae, May 1915 |
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#4 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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@whubbard: There is nothing wrong with the PSU I am using it to power the PC I'm on now. It only does not work in the new build machine. So it can't be the PSU.
@Freakitchen: I'm going to try those steps on that thread and I'll report back. Thanks for the replies. |
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#5 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Right I tried that and I got nothing the PSU only makes this squeaking noise when it is connected to the new build. In any other machine the PSU does not squeak.
Ok components in the new build. ASROCK 775i65G Intel P4 630 1 x 1GB PC3200 Maxtor 160GB IDE and some DVD-RW PSU: WIN POWER ATX-400 I have a new PSU coming soon which is made by ColorsIT and it is 480W. I don't see how it can be the PSU which is failing here due to the fact that it is powering the PC I am using this second without any squeaking. Last edited by gallaghb; 11-02-2006 at 12:12 PM. |
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#6 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Is this a new PSU just for this new build or an used one from a different system? If it is from an old system and is a Dell/HP/Emachine/etc, it may not be compatable with the new motherboard.
__________________
"When sliding down the banister of life; look out for splinters pointing up."
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#7 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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The PSU is from a build by someone else no brand. It is from a system that is less than 9months old.
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#8 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Make sure you do the out of case build before going any further. Sounds like either the mother board is shorting out to the case or the motherboard is DOA. In either case, the PSU can get damaged.
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#9 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Ok I did the out of the case build and it powered up.
So what does this tell me? That the motherboard is shorting out to the case? How do I get around this? Thanks. |
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#10 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Check in the motherboard manual as to which holes on the board are for mounting screws(ATX boards have 9 mounting holes). Check the mounting area in the case to see if the standoffs match the pattern of holes on the mobo with NO extras. Try without the I/O sheild, the tags that stick out could be touching something incorrectly.
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#11 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Ah, finally. Thanks!
There was a misplaced standoff. 8-) Now though the PC starts but I get no monitor output. Any ideas? This is really annoying because I only have 1 PSU atm. I have to take it out of this PC and put it in the other one just to try a suggestion. :P |
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#12 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Try resetting the CMOS on the mother board. Should be a jumper or pull the battery for a few minutes. (power unplugged)
Are you using the on-board video or an add on video card? If a card, there may be an extra power connection to the card. New thought: Make sure that the 4 pin power connection for the motherboard is plugged in along with the 20 pin connector. Last edited by flanzig1; 11-02-2006 at 03:00 PM. |
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#13 |
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Not so new
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Make sure the video card is seated properly and has an additional power cable attached (if so equipped).
__________________
“To me there are three things everyone should do every day. Number one is laugh. Number two is think -- spend some time in thought. Number three, you should have your emotions move you to tears. If you laugh, think and cry, that's a heck of a day.” - Jim Valvano |
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#14 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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I am using onboard video I do have a video card I could put in it to try. Will try these suggestion and report back.
Thanks. |
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#15 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Cleared the CMOS and tried using a video card I have. Still nothing and also I am getting no beeps.
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#16 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Try booting without ram/drives/use on-board video then try the video card. If still no joy, may have damaged the mother board from the shorting out by the extra standoff.
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#17 |
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Member (10 bit)
Join Date: Sep 2006
Location: New York City, New York // Greeniwch, Connecticut
Posts: 847
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Did u also make sure that it didn't need an extra power connector?
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#18 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Booted without RAM and drives and nothing. Any other things to try? Or should I assume the motherboard has been damaged?
The video card I tried did need an extra power connector which I plugged in. Last edited by gallaghb; 11-02-2006 at 03:39 PM. |
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#19 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Only thing left is to recheck that the PSU is still good. But my feeling is the mobo is toast.
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#20 |
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Member (10 bit)
Join Date: Sep 2006
Location: New York City, New York // Greeniwch, Connecticut
Posts: 847
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I think the board has been damaged. Where did you get it from, you can still probably RMA it
Lol: Flanzig...we posted at almost the exact same time! |
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#21 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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lol, the PSU still works its powering this PC again...
I can return the mobo its less than a week old. ![]() Thanks for the help guys. Much appreciated. |
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#22 |
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Member (10 bit)
Join Date: Sep 2006
Location: New York City, New York // Greeniwch, Connecticut
Posts: 847
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No problem. Hope all goes well with the new Mobo.
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#23 |
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Staff
Premium Member
Join Date: May 2005
Location: Doncaster, UK
Posts: 3,563
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Hang on a moment.....In post #9 you stated that the system powered up out of the case. By powered up, do you mean you got a display and post beeps, or just that the fans started up? If the former, then the problem still lies with a shorting problem in the case. If the latter, then you have a faulty component.
Try pulling the RAM, and starting up (out of the case). Do you get any beeps? FK |
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#24 |
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Member (10 bit)
Join Date: Sep 2006
Location: New York City, New York // Greeniwch, Connecticut
Posts: 847
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He already pulled the RAM and tried all of that.
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#25 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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I didn't get any beeps or display out of the case as I didn't connect speaker or monitor, but I will try that now.
I didn't pull the RAM when I built out of the case though. Last attempt I guess then. |
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#26 | |
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Staff
Premium Member
Join Date: May 2005
Location: Doncaster, UK
Posts: 3,563
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Quote:
FK |
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#27 |
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Member (10 bit)
Join Date: Sep 2006
Location: New York City, New York // Greeniwch, Connecticut
Posts: 847
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Good Luck, I have my finger crossed. However if it does work, I will have no idea at all at whats wrong.
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#28 | |
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Staff
Premium Member
Join Date: May 2005
Location: Doncaster, UK
Posts: 3,563
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Quote:
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#29 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Should of asked about getting a display on the out of case test. Sometimes one needs 6 eyeballs to see the obvious.
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#30 |
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Member (6 bit)
Join Date: Nov 2006
Posts: 59
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Yeh well got nothing anyway. Guess the mobo is faulty afterall. Will return it asap.
Thanks again. |
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