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Rosewill 750w can't handle 6990.

post #1 of 23
Thread Starter 
SO. I finally got my Sapphire 6990. I open the box and sweet jesus its beautiful. I open up my case and go to install it. I knew it used 2x8 pin connectors, but I only had 4x6 pins. I used some 6 to 8 pin adaptors and plugged everything in. I pressed the power button and waited. All the fans were spinning and I could hear the fluid in my H50 moving. Thats when I got the beep code for no VGA detected. I did some troubleshooting, and found that my bios was WAY out of date. I flashed it and tried again. Still got the beep code. I tried in different PCI slots and still no go. I tried it in a different rig and it booted up just fine. I did the math and it should be able to power the card, even if its not fully powered.

TL;DR- My PSU can't handle the 6990 and I'm just butthurt.
Crashbomber
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1090t BE ASUS Crosshair 4 Formula Sapphire HD 6990 Gskill Ripjaws 1600mhz 4x2gb 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 1TB 7200rpm ASUS Black 18X Win7 Ultimate 64bit ASUS VE247H 24" 1080p 
KeyboardPowerCaseMouse
Rosewill RK100 Antec HCG-900 NZXT Phantom (black) Generic optical mouse 
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Generic. It has a kitty on it. 
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Crashbomber
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Phenom II X6 1090t BE ASUS Crosshair 4 Formula Sapphire HD 6990 Gskill Ripjaws 1600mhz 4x2gb 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 1TB 7200rpm ASUS Black 18X Win7 Ultimate 64bit ASUS VE247H 24" 1080p 
KeyboardPowerCaseMouse
Rosewill RK100 Antec HCG-900 NZXT Phantom (black) Generic optical mouse 
Mouse Pad
Generic. It has a kitty on it. 
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post #2 of 23
Then this is an excellent opportunity to do your system a huge favor and give it a quality power supply. Even a high quality 650W unit should have no problem with this system, but a low quality 750W obviously might.
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 
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 #3 of 23
strange one that m8

try a different psu in your rig.

key rule never ever skimp on a psu
Gaming Rig
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4790k @ 4.8GHZ z97 sabretooth mark s 290 Win 7 64bit 
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Saitek Saitek 
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Gaming Rig
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4790k @ 4.8GHZ z97 sabretooth mark s 290 Win 7 64bit 
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Saitek Saitek 
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post #4 of 23
This disappoints very much. Guess you'll need a new PSU.
BlueRaven
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Dead BIOS
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BlueRaven
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Dead BIOS
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Logitech G700 
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post #5 of 23
yes even though psu would not give any performance benefit, never skimp on psu
lotdash0t's PC
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ASUS 23" 1080p + ViewSonic 23" 1080p BlackWidow Ultimate 2013 Thermaltake Toughpower XT 775w Zalman Z11+ 
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lotdash0t's PC
(16 items)
 
  
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i5 4670k 4.5 GHz @ 1.385V Gigabyte G1 Sniper Z87 XFX 6950 unlocked 920/1400 8GB Vengeance Pro 2400Mhz  
Hard DriveHard DriveCoolingOS
Samsung 840 evo 120GB + Crucial M4 60GB 2TB Samsung Spinpoint F3 Noctua NH-D14 Windows 7 Professional x64 
MonitorKeyboardPowerCase
ASUS 23" 1080p + ViewSonic 23" 1080p BlackWidow Ultimate 2013 Thermaltake Toughpower XT 775w Zalman Z11+ 
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Razer DeathAdder 2013 Razer Goliathus Beyerdynamic DT770 Pro + Samson SR 850 + Xonar ... 
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post #6 of 23
Rosewill :\\
post #7 of 23
Quote:
Originally Posted by BaronOvHell View Post
Rosewill :\\
Yeah.

A couple of their units are ok, but not this one.
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 #8 of 23
Quote:
Originally Posted by BaronOvHell View Post
Rosewill :\\
This^^ .... I owned a Rosewill "Performance" PSU ... what a joke! lol
post #9 of 23
Considering the rest of your rig... the PSU was a part that needed quality upgrading anyways
    
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Windows 8.1 Professional Asus PB278Q Das Keyboard Ultimate 4 Seasonic 760W Platinum 
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CaseLabs Nova X2M Logitech G602 Razer Scarab Asus Sonar Impact II + AudioEngine A2 
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CPUMotherboardGraphicsRAM
Intel i7 4790k Asus Maximus Impact VII Z97 EVGA GTX 780 Classified Crucial Ballistix VLP 2x8GB 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 256GB Seagate 1TB SSHD Lite-On eNAU108-111 Thermalright Ultra Extreme Black 
OSMonitorKeyboardPower
Windows 8.1 Professional Asus PB278Q Das Keyboard Ultimate 4 Seasonic 760W Platinum 
CaseMouseMouse PadAudio
CaseLabs Nova X2M Logitech G602 Razer Scarab Asus Sonar Impact II + AudioEngine A2 
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post #10 of 23
From what I've read, my Green Series PSU's are supposedly descent. I haven't had any problems with mine but then again, I haven't put a 6990 in it. Hope things work out well!
Main Rig (ITX)
(11 items)
 
  
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Intel Core i7-4790k ASUS H97I-PLUS EVGA GeForce GTX 980 Ti FTW Corsair Vengeance DDR3 1600 2 x 4GB 
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Sandisk Z400s Seagate Barracuda 1TB 7200RPM 64MB Cache Seagate Barracuda 2TB 7200 RPM 64MB Cache Windows 10 Pro 
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Main Rig (ITX)
(11 items)
 
  
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Intel Core i7-4790k ASUS H97I-PLUS EVGA GeForce GTX 980 Ti FTW Corsair Vengeance DDR3 1600 2 x 4GB 
Hard DriveHard DriveHard DriveOS
Sandisk Z400s Seagate Barracuda 1TB 7200RPM 64MB Cache Seagate Barracuda 2TB 7200 RPM 64MB Cache Windows 10 Pro 
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EVGA 600B Corsair Obsidian 250D M-Audio Mobile Pre 
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