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First PCI-E X16 works 1/8 times.

polarbeardav
Level 7
I'm prett sure that the first PCI-E slot is damaged since it only allows me to boot up once about ever eight times. Using the other slots it works flawlessly, but I shouldnt have to ignore the fact that my MOBO CHF5 is broken. Any ideas before I have to RMA?
Asus Crosshair Formula V
AMD Phenom II X6 1100T BE 3.3Ghz + Swiftech HD H20.320
Corsair Vengeance DDR3 8GB 2X4gb 1600 (clocked at 1333)
Team DDR3 8GB 2X4gb 1333
HIS Raedon HD 6850
Diamond 7970
Thermaltake 775W
Windows 7 Ultimate 64
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4 REPLIES 4

NemesisChild
Level 12
When you say it won't boot, does it not post and/or does Windows fail to load?
Just to be certain it's the board, do you have another graphic card to test in the first slot?
Also, if you haven't already, use a can of compressed air to blow out any dust or particles that may be in the slot.
Intel i9 10850K@ 5.3GHz
ASUS ROG Strix Z490-E
Corsair H115i Pro XT
G.Skill TridentZ@ 3600MHz CL14 2x16GB
EVGA RTX 3090 Ti FWT3 Ultra
OS: WD Black SN850 1TB NVMe M.2
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ASUS ROG Strix Helios GX601

chrsplmr
Level 18
Good advice from NemesisChild then if not,
Mason @ Asus RMA Guide

Oh, Thanks for your help!
Asus Crosshair Formula V
AMD Phenom II X6 1100T BE 3.3Ghz + Swiftech HD H20.320
Corsair Vengeance DDR3 8GB 2X4gb 1600 (clocked at 1333)
Team DDR3 8GB 2X4gb 1333
HIS Raedon HD 6850
Diamond 7970
Thermaltake 775W
Windows 7 Ultimate 64
Switch 810

polarbeardav
Level 7
So I've thoroughly tested everything out (diff graphic cards, diff slots, diff cpu) and the only problem with the board is that first PCIE X 16 slot. I'm RMAing.
Asus Crosshair Formula V
AMD Phenom II X6 1100T BE 3.3Ghz + Swiftech HD H20.320
Corsair Vengeance DDR3 8GB 2X4gb 1600 (clocked at 1333)
Team DDR3 8GB 2X4gb 1333
HIS Raedon HD 6850
Diamond 7970
Thermaltake 775W
Windows 7 Ultimate 64
Switch 810