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power supply gone bad?

post #1 of 49
Thread Starter 
I have an ACE ATX 12v 24pin 520watt power supply, I was wondering why the damn thing makes this loud type of 'grinding' noise until my computer logs on to windows?
It goes away if I hit it, but then comes back again until my computer has logged in, any idea's why this noise has paid my power supply a visit?

I think its coming from the fan.

Product information: http://www.overclock.co.uk/product/A...-Box_8844.html

I have only had this power supply for 2months max.
    
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post #2 of 49
I wouldn't know what that is either, but all I can say is this: I wouldn't touch that PSU with a 10-foot pole. I wouldn't even recommend this PSU to a mortal enemy of mine. Is there any chance that you can do your system a favor and replace it with a quality power supply? And can you put your overclocks back to 100% stock in the meantime? I mean, you're only asking for severe issues later on.
It's a computer!
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It's a computer!
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post #3 of 49
Very likely since its a no-name and cheap PSU. Never heard of ACE it is likely a very poor quality PSU and you are very lucky haven't got the chance to take all of your component with it. Do yourself a favor take the ACE power supply and kill it with fire and buy a new PSU like the Antec Earthwatt 430W or the Cosair 430CX.
post #4 of 49
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
I wouldn't know what that is either, but all I can say is this: I wouldn't touch that PSU with a 10-foot pole. I wouldn't even recommend this PSU to a mortal enemy of mine. Is there any chance that you can do your system a favor and replace it with a quality power supply? And can you put your overclocks back to 100% stock in the meantime? I mean, you're only asking for severe issues later on.
ive already put my CPU and RAM back to stock (did yesterday before reformatting to win7) I have an ADT 350watt power supply, I do not know if this is any better?? I cannot find a picture.

I have no money
    
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post #5 of 49
That's what we like to call a "generic" power supply.

If we open it up we're going to see something based on a design that's at least ten years old, using a half bridge topology, with components that will max out in the 200-300W range, with a +12V capacity of 6-12A at maximum provided by fast recovery diode instead of Schottky. With terrible soldering, off-brand capacitors, no transient filter. Every non-critical component removed, and every essential component replaced with the cheapest possible alternative. Expect terrible voltage regulation, out of spec by 200W, with ripple off the charts by 50-100W, efficiency in the dumps (if it's over 70% it's because there's so few components for energy to be lost from), and the switching transistors or +12V rectifier will explode between 200W and 300W. There will likely be no protections, and if there are any they will be minimal and likely poorly implemented.

If it blows it's going to take every component in your system with it.
post #6 of 49
Quote:
Originally Posted by jdcrispe95 View Post
ive already put my CPU and RAM back to stock (did yesterday before reformatting to win7) I have an ADT 350watt power supply, I do not know if this is any better?? I cannot find a picture.
I doubt it. One of my first clues about the ACE unit is the price tag. I mean, a quality 520W should cost at least £70.

Fortunately for you, you don't need anything more than a quality 400W which should cost roughly £35. For example, there's the 430W Corsair CX430:

http://www.overclock.co.uk/product/C...ail_34892.html

http://www.ebuyer.com/product/240998


Edit: For the love of your system, please listen to Phaedrus2129. You can either spend between £35 and £40 now, or you can wait until this junker of a power supply destroys your system.
Edited by TwoCables - 1/9/11 at 11:28pm
It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
post #7 of 49
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
That's what we like to call a "generic" power supply.

If we open it up we're going to see something based on a design that's at least ten years old, using a half bridge topology, with components that will max out in the 200-300W range, with a +12V capacity of 6-12A at maximum provided by fast recovery diode instead of Schottky. With terrible soldering, off-brand capacitors, no transient filter. Every non-critical component removed, and every essential component replaced with the cheapest possible alternative. Expect terrible voltage regulation, out of spec by 200W, with ripple off the charts by 50-100W, efficiency in the dumps (if it's over 70% it's because there's so few components for energy to be lost from), and the switching transistors or +12V rectifier will explode between 200W and 300W. There will likely be no protections, and if there are any they will be minimal and likely poorly implemented.

If it blows it's going to take every component in your system with it.
Thanks, for telling me that my whole computer rely's on this POS PSU!!
I had to cheap out on the PSU because I had £250 to build this machine.
ahhh %"£$ .... This computer has to last 3 years
    
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Intel ATOM N450 @ 1.66Ghz <unknown> Intel GMA3150 256mb 2GB DDR2-800 
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Hard DriveOSMonitorKeyboard
160GB 5,400RPM 2.5" Windows XP Professional SP3 LED (Non-gloss) 1024x600 intergrated 
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post #8 of 49
Quote:
Originally Posted by jdcrispe95 View Post
Thanks, for telling me that my whole computer rely's on this POS PSU!!
I had to cheap out on the PSU because I had £250 to build this machine.
ahhh %"£$ .... This computer has to last 3 years
Then is there any way you could come up with £35 to £40 so that you can afford a quality 400W?

If not, then there might even be one that costs less that Phaedrus2129 knows about. I don't know. But yes, the PSU is the most important part of a computer system since everything is absolutely depending on it.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
post #9 of 49
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
I doubt it. One of my first clues about the ACE unit is the price tag. I mean, a quality 520W should cost at least £70.

Fortunately for you, you don't need anything more than a quality 400W which should cost roughly £35. For example, there's the 430W Corsair CX430:

http://www.overclock.co.uk/product/C...ail_34892.html

http://www.ebuyer.com/product/240998


Edit: For the love of your system, please listen to Phaedrus2129. You can either spend between £35 and £40 now, or you can wait until this junker of a power supply destroys your system.
what about if I get insurance for my computer? (which costs nothing) unless the computer blows up. but then I can get it replaced for a small fee (about £20-£40)
I really need time, I need to save up, then shave up, then get my psu when I have the monies.

Would you say my computers hanging by a string?

Off to school now, see you later, I will check back about 3pm (if my computer hasnt hit the sack by then)

its been doing this grinding noise for about 2weeks now, every 3-5/7 days in the week.
Edited by jdcrispe95 - 1/9/11 at 11:41pm
    
CPUMotherboardGraphicsRAM
Intel ATOM N450 @ 1.66Ghz <unknown> Intel GMA3150 256mb 2GB DDR2-800 
Hard DriveOSMonitorKeyboard
160GB 5,400RPM 2.5" Windows XP Professional SP3 LED (Non-gloss) 1024x600 intergrated 
PowerCaseMouseMouse Pad
6 cell battery Samsung Wireless mouse 3000 / touchpad anything 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel ATOM N450 @ 1.66Ghz <unknown> Intel GMA3150 256mb 2GB DDR2-800 
Hard DriveOSMonitorKeyboard
160GB 5,400RPM 2.5" Windows XP Professional SP3 LED (Non-gloss) 1024x600 intergrated 
PowerCaseMouseMouse Pad
6 cell battery Samsung Wireless mouse 3000 / touchpad anything 
  hide details  
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post #10 of 49
Quote:
Originally Posted by jdcrispe95 View Post
Would you say my computers hanging by a string?
Potentially.

I don't know how that insurance thing works, but you need to weigh the value of your components and your data against the risk of getting caught while robbing a bank. I'm not sure if you'd get more than one squad car just for stealing fifty quid, so your odds might actually be pretty good.

(for the record, sarcasm )



Anyway, yeah, replace it ASAP by any means possible.
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