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No POST after swapping hardware to new case - Page 4

post #31 of 33
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Ok this is getting a bit frustrating, I got another brand new unit from corsair and it's doing the same thing. I hook everything up just like the old psu (which works) and it doesn't POST. What the heck?
Sabertooth X58
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Sabertooth X58
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-975 Extreme Edition ASUS Sabertooth X58 1GB ATI Radeon HD 4850 12GB DDR3-1066MHz SDRAM 
Hard DriveOptical DriveOSMonitor
1TB RAID 0 (2 x 500GB SATA HDDs) Blu-ray player & Lightscribe SuperMulti DVD burner Windows 7 Home Premium 64-bit HP 2709m 27" Widescreen LCD 
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Logitech Ultra Thin Illuminated Corsair HX750 Antec 900 Two Logitech-MX Revolution Wireless Laser Mouse 
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HP Gaming Surface with VoodooDNA 
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post #32 of 33
As said before, sounds like a dud motherboard to me.
     
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Intel Core i5 3570k @ 4.6GHz Asus Sabertooth Z77 MSI GTX970 Corsair Vengeance LP 8GB 
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CPUMotherboardGraphicsRAM
Intel Core i5 3570k @ 4.6GHz Asus Sabertooth Z77 MSI GTX970 Corsair Vengeance LP 8GB 
Hard DriveHard DriveCoolingCooling
Samsung SSD 120GB Samsung 2.5" HDD 500GB EK Supremacy Clear CQC w/White LED's 360mm Alphacool Rad 
OSKeyboardPowerCase
Win 10 CM Storm mechanical Antec 620W Corsair Obsidian 450D 
MouseMouse Pad
Corsair M65 RGB Roccat  
CPUGraphicsRAMHard Drive
Intel i5 4210H Nvidia GTX 960M 2GB 8GB  1TB+8GB HDSDD 
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Win 10 
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post #33 of 33
There was something awhile back about certain PSU's causing some boards not to POST, due to an issue with the +5 vsb standby voltage. I remember a Corsair unit (don't remember WHICH one) had a direct incompatibility problem with a DFI board, and this was discussed at length on the dfi forums. The culprit was something with the +5vsb.

Just to make sure this isn't another issue, just keep the system exactly where it is, and swap the PSU, without plugging in any other hardware besides PCIE connectors, ATX12v 8 pin and ATX20 pin. The system should post fine with the old PSU, but not with the current PSU, if it is indeed a PSU problem, as you aren't moving any other parts around. Perhaps ask Corsair for a new HX850 unit; they're pretty nice guys over there and may cover you.

If a completely different corsair unit has the same problem, then it's best to just RMA the board, as it has developed some fault somewhere, possibly with some sort of voltage tolerance, but anything could be causing it. That's your best choice at the moment.

BTW, have you tried using the new PSU in a DIFFERENT system?
SB Rig
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SB Rig
(13 items)
 
  
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i7-2600k Gigabyte P67A-UD5 B3 R9 290X 16GB 
Hard DriveOptical DriveOSMonitor
WD 2 TB, WD 1 TB, 250gb Liteon ihbs212 blu-ray burner/reader XP+W7 Benq XL2720Z 
KeyboardPowerCaseMouse
Ducky Shine 69/Year of the Goat/Shine 5 Seasonic Platinum X1000 Corsair 760T Logitech G502 with r0ach approved ™ sensor 
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Puretrak Talent 
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