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HMD powered off, check HDMI connection [Runtime 0.8/Win 8.1]

TinSLDR
Honored Guest
Hi masters,

One of my friends borrowed my DK2 and after he returned I kept meeting the typical error "HMD powered off, check HDMI connection" which never appears before. The LED on the HMD is orange and sometimes off. No settings changed in my PC after he borrowed and before he returned. I could only try to reinstall the latest GPU driver and Oculus Runtime but the error persists.
Could you help take a look at it? Your help is highly appreciated! Thank you in advance!

Below is the config log for your reference: 

{
"Time": "2016-03-25_18:03:26",
"SDK Version": "0.8.0.0",
"Local SDK Version": "0.8.0.0",
"Service Running Time": {
"Hours": 0,
"Minutes": 0,
"Seconds": 21
},
"Display Status": {
"Display Mode": 2,
"Win10 Native": {
"Capable": 0,
"Available": 0,
"ResultCode": -3005,
"Status": "DXGI 2 Preview requires Windows 10"
},
"IHVDirect": {
"Capable": 1,
"Available": 1,
"ResultCode": 0,
"Status": "Direct Display available"
},
"Legacy Direct": {
"Capable": 1,
"Available": 1,
"ResultCode": 0,
"Status": "OVRDirect available"
},
"Summary ResultCode": 0,
"Summary Status": ""
},
"System Specifications": {
"Operating System": "Microsoft Windows 8.1 Enterprise",
"Processor": "Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz",
"Graphics Adapters": [{
"Name": "NVIDIA Quadro K2200",
"Video Controller RAM (MB)": 4095,
"Driver Version": "10.18.13.6451",
"Video Mode": "1920 x 1200 x 4294967296 colors"
}],
"Total RAM (GB)": 32,
"USB Tree": [{
"name": "Intel(R) 8 Series/C220 Series USB EHCI #1 - 8C26",
"deviceid": "PCI\\VEN_8086&DEV_8C26&SUBSYS_30A117AA&REV_04\\3&11583659&0&E8",
"caption": "Intel(R) 8 Series/C220 Series USB EHCI #1 - 8C26",
"manufacturer": "Intel",
"Devices": [{
"manufacturer": "(Standard USB Host Controller)",
"name": "USB Root Hub"
}, {
"manufacturer": "(Generic USB Hub)",
"name": "Generic USB Hub"
}]
}, {
"name": "Intel(R) 8 Series/C220 Series USB EHCI #2 - 8C2D",
"deviceid": "PCI\\VEN_8086&DEV_8C2D&SUBSYS_30A117AA&REV_04\\3&11583659&0&D0",
"caption": "Intel(R) 8 Series/C220 Series USB EHCI #2 - 8C2D",
"manufacturer": "Intel",
"Devices": [{
"manufacturer": "(Standard USB Host Controller)",
"name": "USB Root Hub"
}, {
"manufacturer": "(Generic USB Hub)",
"name": "Generic USB Hub"
}]
}, {
"name": "Intel(R) USB 3.0 eXtensible Host Controller - 0100 (Microsoft)",
"deviceid": "PCI\\VEN_8086&DEV_8C31&SUBSYS_30A117AA&REV_04\\3&11583659&0&A0",
"caption": "Intel(R) USB 3.0 eXtensible Host Controller - 0100 (Microsoft)",
"manufacturer": "Generic USB xHCI Host Controller",
"Devices": [{
"manufacturer": "(Standard USB HUBs)",
"name": "USB Root Hub (xHCI)"
}, {
"manufacturer": "Compatible USB storage device",
"name": "USB Mass Storage Device"
}, {
"manufacturer": "(Standard disk drives)",
"name": "General USB Flash Disk USB Device"
}, {
"manufacturer": "(Standard system devices)",
"name": "USB Input Device"
}, {
"manufacturer": "(Standard keyboards)",
"name": "HID Keyboard Device"
}, {
"manufacturer": "(Standard system devices)",
"name": "USB Input Device"
}, {
"manufacturer": "Microsoft",
"name": "HID-compliant mouse"
}, {
"manufacturer": "(Standard USB HUBs)",
"name": "Generic USB Hub"
}, {
"manufacturer": "(Standard system devices)",
"name": "USB Input Device"
}, {
"manufacturer": "(Standard system devices)",
"name": "HID-compliant device"
}]
}]
},
"Drivers": [{
"Path": "\\system32\\OVRDisplay64.dll",
"Version": "1.2.8.0"
}, {
"Path": "\\system32\\OVRDisplayRT64.dll",
"Version": "1.2.8.0"
}, {
"Path": "\\syswow64\\OVRDisplay32.dll",
"Version": "1.2.8.0"
}, {
"Path": "\\syswow64\\OVRDisplayRT32.dll",
"Version": "1.2.8.0"
}, {
"Path": "\\system32\\drivers\\RiftEnabler.sys",
"Version": "1.2.8.0"
}, {
"Path": "\\system32\\OVRDisplay32.dll",
"Version": "C:\\WINDOWS\\system32\\OVRDisplay32.dll not found"
}, {
"Path": "\\system32\\OVRDisplayRT32.dll",
"Version": "C:\\WINDOWS\\system32\\OVRDisplayRT32.dll not found"
}, {
"Path": "\\system32\\drivers\\OCUSBVID.sys",
"Version": "1.0.14.0"
}],
"Video Device Tree": [{
"Name": "NVIDIA Quadro K2200",
"VRAM (MB)": 3970,
"Monitors": [{
"Name": "\\\\.\\DISPLAY1",
"Width": 1920,
"Height": 1200,
"Refresh Rate": 59
}]
}, {
"Name": "Microsoft Basic Render Driver",
"VRAM (MB)": 0,
"Monitors": []
}],
"Devices": [{
"HMDNRFVersion": "",
"TrackerNRFVersion": ""
}]
}
3 REPLIES 3

TinSLDR
Honored Guest
@cybereality Could you help take a look at it? Thanks!

cybereality
Grand Champion
It doesn't look like the DK2 is detected at all. I'd check the cables on the top of the headset and make sure they are totally connected. Also check on the back of the machine, for example to be sure the Rift is plugged into the video card and not the motherboard.
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TinSLDR
Honored Guest
Thank you for your suggestion! I checked the cables and they are connected well and the Rift is plugged into the video card just like before. I think probably there might be some problems with the cables. I will try to replace the cables and see whether it could be solved. Thank you again!