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Intel DH67DG 3 beeps @ startup

Joined
Jul 2, 2008
Messages
8,069 (1.40/day)
Location
Hillsboro, OR
System Name Main/DC
Processor i7-3770K/i7-2600K
Motherboard MSI Z77A-GD55/GA-P67A-UD4-B3
Cooling Phanteks PH-TC14CS/H80
Memory Crucial Ballistix Sport 16GB (2 x 8GB) LP /4GB Kingston DDR3 1600
Video Card(s) Asus GTX 660 Ti/MSI HD7770
Storage Crucial MX100 256GB/120GB Samsung 830 & Seagate 2TB(died)
Display(s) Asus 24' LED/Samsung SyncMaster B1940
Case P100/Antec P280 It's huge!
Audio Device(s) on board
Power Supply SeaSonic SS-660XP2/Seasonic SS-760XP2
Software Win 7 Home Premiun 64 Bit
Before I start digging, does anyone have first hand knowledge with this motherboard and this problem? This system will run just fine when first assembled, but if it is powered off, it will only (repeatedly) emit 3 beeps and refuse to start. If I move the RAM to the other slots, it fires right up.

CPU: i5-3450 (3rd generation on this board, I'm going to check into BIOS etc according to Intel's instructions)
RAM: Kingston KVR1333D3N9/2G (I've tried different, no difference)
 
Joined
Jul 2, 2008
Messages
8,069 (1.40/day)
Location
Hillsboro, OR
System Name Main/DC
Processor i7-3770K/i7-2600K
Motherboard MSI Z77A-GD55/GA-P67A-UD4-B3
Cooling Phanteks PH-TC14CS/H80
Memory Crucial Ballistix Sport 16GB (2 x 8GB) LP /4GB Kingston DDR3 1600
Video Card(s) Asus GTX 660 Ti/MSI HD7770
Storage Crucial MX100 256GB/120GB Samsung 830 & Seagate 2TB(died)
Display(s) Asus 24' LED/Samsung SyncMaster B1940
Case P100/Antec P280 It's huge!
Audio Device(s) on board
Power Supply SeaSonic SS-660XP2/Seasonic SS-760XP2
Software Win 7 Home Premiun 64 Bit
Of course, now it won't do it.:confused::rolleyes: It appears to be a problem with the MOUSE!!!! Its cord has some cuts....

I've had a history of seemingly insignificant peripherals causing major instability. I had a keyboard give me all kinds of headaches until it finally died and my problems went away.
 
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