Monitor issue

[jnelsoninjax]

I have a YAMAKASI M280PU 28" 4K monitor as my primary display, and this morning after waking the system up from sleep it refuses to wake up. The LED is pulsing purple and the power button is render unusable. I have restarted windows and checked that the cables are seated properly, and unplugged the power from the monitor and reattached it and it goes right back to a blank display with pulsing LED. I have had zero luck finding a manual for this monitor, Googling the phrase YAMAKASI M280PU user manual gives me everything but the manual. I bought this monitor February 2016 and it has worked just fine up until today. Deos anyone have any ideas what I can check/do next?

[SnoopZ]

Have you confirmed it is the monitor at fault and not the PC by using a different display source?

[jnelsoninjax]

  On 26/10/2017 at 12:24, SnoopZ said:

Have you confirmed it is the monitor at fault and not the PC by using a different display source?

Expand  

I have 2K monitor as a secondary display, and it is working, so I'm fairly sure that the monitor is the issue.

[D!ABOL!C]

I know you mentioned reseating the cables, but have you tried plugging your primary display in to the port that the secondary display is and vice-versa? Maybe a bad port on the video card?

[jnelsoninjax]

  On 26/10/2017 at 13:17, D!ABOL!C said:

I know you mentioned reseating the cables, but have you tried plugging your primary display in to the port that the secondary display is and vice-versa? Maybe a bad port on the video card?

Expand  

The 4K is displayport connected and I switched it over to another displayport on the GPU and it still is making no difference at all.

[Mando]

  On 26/10/2017 at 13:22, jnelsoninjax said:

The 4K is displayport connected and I switched it over to another displayport on the GPU and it still is making no difference at all.

Expand  

try using a different DP cable, if a digital cable goes pop it works, or it doesnt. a 1 (works) or a 0 (doesnt work) basically  

 

the monitor is probs fine, the flashing LED means powersave mode/no input detected.

 

 

[jnelsoninjax]

  On 26/10/2017 at 13:44, Mando said:

try using a different DP cable, if a digital cable goes pop it works, or it doesnt. a 1 (works) or a 0 (doesnt work) basically  

 

the monitor is probs fine, the flashing LED means powersave mode/no input detected.

 

 

Expand  

When it goes into power save it flashes red not purple which it is now doing... I'll look around and see if I have another DP cable, may have to buy one from Amazon.  Just tried another DP and HDMI and the same results happen, no display and pulsing light.

Edited October 26, 2017 by jnelsoninjax

[jnelsoninjax]

The problem was even more simple: the power cord that runs from the converter to the wall was a European type plug with an adapter to make it work with in the US, I simply removed that cord and replaced it with a standard cord, and suddenly it works!

[jnelsoninjax]

Well this morning it did it again. I unplugged the power from the adapter and waited around 30 seconds for it to totally discharge and then plugged it back in and suddenly the monitor works. I am thinking that the power adapter is failing, would that be a safe assumption?

[Mindovermaster Global Moderator]

Could be the power adapter, or something finnicky with the PCB.