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is a 450 watt power supply enough for a 5750?, at the moment i have a 350 and it dont

post #1 of 13
Thread Starter 
i bough my xfx5750 today and all i get is black screen and no beep although the fans are working. because of this i switched back to 8500gt and it works fine. is irt because i need a more powerful supply ?
Thanks ,
Rownoid
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Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
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600 Watt OCZ Stealth Xtreme 
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My Rig
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CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
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post #2 of 13
It depends on the specific power supply unit, but yeah a quality 450W power supply would be more than enough to power a system that has one 5750 in it.
It's a computer!
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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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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 
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post #3 of 13
Thread Starter 
well i will buy one because my computer does nothing with the one i have at the moment could i of broke the card?
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
  hide details  
Reply
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
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Reply
post #4 of 13
Quote:
Originally Posted by Rownoid View Post
well i will buy one because my computer does nothing with the one i have at the moment could i of broke the card?
Nah.

Can you order from internet stores like eBuyer and scan.co.uk?
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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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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post #5 of 13
Thread Starter 
no i cant a the moment id probaly just pop to a store and get one, what would you advise ?
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
  hide details  
Reply
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
  hide details  
Reply
post #6 of 13
I'm running a 5770 on a 350W PSU. It's fine, ASSUMING it's a quality unit.
post #7 of 13
What parts do you have and what Power Supply do you have? (make/model)
Either your PSU is very cheap or your GPU is not compatible or faulty.
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X79-GCN
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Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
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post #8 of 13
I'm betting your current PSU is what came with your computer, which I'm going to assume is something store-bought, like an HP or Dell or Acer or something. In which case your PSU probably doesn't have a 6-pin PCIe power connector. And XFX tend not to include the Molex-PCIe adapters. So you don't have the card fully installed, which is why it isn't working.
post #9 of 13
Quote:
Originally Posted by Rownoid View Post
no i cant a the moment id probaly just pop to a store and get one, what would you advise ?
That's difficult because what I might recommend could be impossible to find at a local store since most local stores don't really know what PSUs are good and what PSUs are bad. All they know is what makes them the most money due to the profit margin (the price that they can sell it for in comparison to the price they paid to add it to their inventory).

It would be better to know the store's entire selection.
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... 
  hide details  
Reply
post #10 of 13
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
I'm betting your current PSU is what came with your computer, which I'm going to assume is something store-bought, like an HP or Dell or Acer or something. In which case your PSU probably doesn't have a 6-pin PCIe power connector. And XFX tend not to include the Molex-PCIe adapters. So you don't have the card fully installed, which is why it isn't working.
how would i fully install the card then bro?
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
  hide details  
Reply
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon x2 7750 A74ML-K XFX XXX 5750 2GB Integral 866 MHZ 
Power
600 Watt OCZ Stealth Xtreme 
  hide details  
Reply
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