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Display Port just quit working; Already did a hard Reset LG isn't helping

JeighNeither
By JeighNeither
in Displays
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So I already did the easy; "just unplug it and let it sit for a minute", and that's not working.  I've tried it multiple times.  HDMI works, but I need my 166 overclock or otherwise gaming on this is pointless for me.  This is the LG UWS 34" with Gsync.  Not sure what to do at this point.  Return it while I still can?  This happened the way it has for most ppl I see with this problem.  I'd walked away from my system; fell asleep for an hour, and woke up to a monitor that won't come out of sleep, or has "no signal" in Display port mode.  Thanks in advance for any help.

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166 or 165hz maybe you are running the wrong refresh rate.

CPU:R9 3900x@4.5Ghz RAM:Vengeance Pro LPX @ 3200mhz MOBO:MSI Tomohawk B350 GPU:PNY GTX 1080 XLR8

DRIVES:500GB Samsung 970 Pro + Patriot Blast 480GB x2 + 12tb RAID10 NAS

MONITORS:Pixio PX329 32inch 1440p 165hz, LG 34UM68-p 1080p 75hz

 

 

 

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Just RMA it.

CPU: Ryzen 9 5900 Cooler: EVGA CLC280 Motherboard: Gigabyte B550i Pro AX RAM: Kingston Hyper X 32GB 3200mhz

Storage: WD 750 SE 500GB, WD 730 SE 1TB GPU: EVGA RTX 3070 Ti PSU: Corsair SF750 Case: Streacom DA2

Monitor: LG 27GL83B Mouse: Razer Basilisk V2 Keyboard: G.Skill KM780 Cherry MX Red Speakers: Mackie CR5BT

 

MiniPC - Sold for $100 Profit

Spoiler

CPU: Intel i3 4160 Cooler: Integrated Motherboard: Integrated

RAM: G.Skill RipJaws 16GB DDR3 Storage: Transcend MSA370 128GB GPU: Intel 4400 Graphics

PSU: Integrated Case: Shuttle XPC Slim

Monitor: LG 29WK500 Mouse: G.Skill MX780 Keyboard: G.Skill KM780 Cherry MX Red

 

Budget Rig 1 - Sold For $750 Profit

Spoiler

CPU: Intel i5 7600k Cooler: CryOrig H7 Motherboard: MSI Z270 M5

RAM: Crucial LPX 16GB DDR4 Storage: Intel S3510 800GB GPU: Nvidia GTX 980

PSU: Corsair CX650M Case: EVGA DG73

Monitor: LG 29WK500 Mouse: G.Skill MX780 Keyboard: G.Skill KM780 Cherry MX Red

 

OG Gaming Rig - Gone

Spoiler

 

CPU: Intel i5 4690k Cooler: Corsair H100i V2 Motherboard: MSI Z97i AC ITX

RAM: Crucial Ballistix 16GB DDR3 Storage: Kingston Fury 240GB GPU: Asus Strix GTX 970

PSU: Thermaltake TR2 Case: Phanteks Enthoo Evolv ITX

Monitor: Dell P2214H x2 Mouse: Logitech MX Master Keyboard: G.Skill KM780 Cherry MX Red

 

 

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I wish!  I did get a full RMA return of a set of Arctic Wireless Pro's tho!  Just yesterday!

 

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47 minutes ago, JohnDongus said:

166 or 165hz maybe you are running the wrong refresh rate.

I have an LG 34B and it overclocks to 166, that's why I wrote that; I usually run a few clicks lower in the sweet spot.

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So for anyone that comes along with this problem at a later date; here is the fix.  You still need to unplug EVERYTHING, but the key is to let is sit a while.  I'd done a hard reset twice, but only left things unplugged for a few minutes.  The last time I let it all sit for 30 minutes; reconnected and the DP worked again ;)

 

Thanks for the replies

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13 hours ago, JohnDongus said:

166 or 165hz maybe you are running the wrong refresh rate.

No, if you read the few other comments you would see that's the overclock rate of this monitor; it has absolutely nothing to do with the issue.  It was figure of speech so to speak. 

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Update.  Apparently it wasn't much of a fix, as I have to do this every time I wake the system up.  I'm starting to suspect this is a Windows issue. 

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Try it at 144Hz. Also try a different DP cable if you have one. I've gotten a bad cables from LG before, and DP cables can be screwy in general. 

muh specs 

Gaming and HTPC (reparations)- ASUS 1080, MSI X99A SLI Plus, 5820k- 4.5GHz @ 1.25v, asetek based 360mm AIO, RM 1000x, 16GB memory, 750D with front USB 2.0 replaced with 3.0  ports, 2 250GB 850 EVOs in Raid 0 (why not, only has games on it), some hard drives

Screens- Acer preditor XB241H (1080p, 144Hz Gsync), LG 1080p ultrawide, (all mounted) directly wired to TV in other room

Stuff- k70 with reds, steel series rival, g13, full desk covering mouse mat

All parts black

Workstation(desk)- 3770k, 970 reference, 16GB of some crucial memory, a motherboard of some kind I don't remember, Micomsoft SC-512N1-L/DVI, CM Storm Trooper (It's got a handle, can you handle that?), 240mm Asetek based AIO, Crucial M550 256GB (upgrade soon), some hard drives, disc drives, and hot swap bays

Screens- 3  ASUS VN248H-P IPS 1080p screens mounted on a stand, some old tv on the wall above it. 

Stuff- Epicgear defiant (solderless swappable switches), g600, moutned mic and other stuff. 

Laptop docking area- 2 1440p korean monitors mounted, one AHVA matte, one samsung PLS gloss (very annoying, yes). Trashy Razer blackwidow chroma...I mean like the J key doesn't click anymore. I got a model M i use on it to, but its time for a new keyboard. Some edgy Utechsmart mouse similar to g600. Hooked to laptop dock for both of my dell precision laptops. (not only docking area)

Shelf- i7-2600 non-k (has vt-d), 380t, some ASUS sandy itx board, intel quad nic. Currently hosts shared files, setting up as pfsense box in VM. Also acts as spare gaming PC with a 580 or whatever someone brings. Hooked into laptop dock area via usb switch

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