P4317Q, flashing lock icon

Question

My Dell P4317Q is displaying a flashing lock icon in the center of the screen. This is true both with the PC switched off and switched on. Here is a video showing the behavior.

I tried following the instructions at https://www.dell.com/community/Monitors/Read-this-first-before-posting/m-p/4270177#M93324. As it turns out, the power button and the four options buttons are not working either, so I could not perform a factory reset or run the self-test from the on-screen display. I downloaded the softMCCS program described in this post and performed a factory reset on the display, to no avail.

The display is two years old, so it should still be under warranty. Bought from Staples for $1,100.49.

MNajork · Answer

Here is the test report generated by softMCCS:   softMCCS Report - 12/16/2018 ************************************** Platform OS version and build................ 10.0 Build 17134 Physical memory..................... 33491.80MB Virtual memory...................... 25721.42MB Screen resolution................... 3840x2160 Device data......................... 0x140110DE.00.01.01 Program version..................... 2.5.0.1070 Basic display information Product name........................ DELL P4317Q Product ID.......................... DELD084 Serial number....................... J0DKG69N16HL Manufactured........................ 2016 ISO week 38 Preferred timing.................... 3840x2160 at 60Hz DDC/CI.............................. Supported MCCS version........................ 2.1 Device controller................... Mstar 86, Level 260 EDID information Version............................. 1.4 Extension blocks.................... 1 Raw data............................ 00: 00FFFFFFFFFFFF00 10AC84D04C483631 10: 261A0104A55E3578 3AFA23A5554E9A27 20: 0E4849BD4B00D1C0 81808140950F9500 30: B30081C001014DD0 00A0F0703E803020 40: 3500AD113200001A 000000FF004A3044 50: 4B4736394E313648 4C0A000000FC0044 60: 454C4C2050343331 37510A20000000FD 70: 0017501E633C000A 202020202020013F MCCS capabilities string Parsing errors...................... 0 Recoverable errors.................. n/a Capabilities string................. (prot(monitor)type(lcd)model(p4317q)cmds(01 02 03 07 0c e3 f3)vcp(02 04 05 08 10 12 14 (05 08 0b 0c) 16 18 1a 52 60(01 11 12 0f 10) ac ae b2 b6 c6 c8 c9 d6(01 04 05) dc(00 ) df f0(00 08) fd e2(00 0e 12 14 19) e5 f1 f2)mccs_ver(2.1)mswhql(1)) DDC/CI communication speed Address switching................... n/a Capabilities acquisition............ n/a VCP table update.................... 4641 ms. Mandatory tests for MCCS Version 2 compliance Null message response............... n/a Capabilities string................. Unconfirmed prot() field...................... Supported type() field...................... Supported mode() field...................... Supported cmds() field...................... Supported vcp() field....................... Supported mccs_ver() field.................. Supported VCP version......................... Verified Display controller ID............... Verified New control value................... Verified Timing report (recommended)......... Supported Preset and auto-setup function tests Restore factory defaults............ Verified Restore luminance/contrast defaults. Untested Restore color defaults.............. Untested Enumerated control codes Non-continuous controls............. Unconfirmed Continuous controls................. Unconfirmed 0x02 Max=0x0002 Current=0x0001 RW NC New control value 0x04 Max=0x00FF Current=0x0001 WO NC Restore factory defaults 0x05 Max=0x0001 Current=0x0000 WO NC Restore luminance/contrast defaults 0x08 Max=0x00FF Current=0x0000 WO NC Restore color defaults 0x10 Max=0x0064 Current=0x004B RW C Luminance 0x12 Max=0x0064 Current=0x004B RW C Contrast 0x14 Max=0x000C Current=0x0005 RW NC Select color preset {05 08 0B 0C} 0x16 Max=0x0064 Current=0x0064 RW C Red video gain 0x18 Max=0x0064 Current=0x0064 RW C Green video gain 0x1A Max=0x0064 Current=0x0064 RW C Blue video gain 0x52 Max=0x00FF Current=0x0000 RO NC Active control 0x60 Max=0x000E Current=0x000F RW NC Input source {01 11 12 0F 10} 0xAC Max=0x0002 Current=0x08B4 RO C Horizontal frequency 0xAE Max=0x0000 Current=0x176F RO C Vertical frequency 0xB2 Max=0x0008 Current=0x0001 RO NC Panel sub-pixel layout 0xB6 Max=0x0005 Current=0x0003 RO NC Display technology type 0xC6 Max=0xFFFF Current=0x45CC RO NC Application enable key 0xC8 Max=0x0000 Current=0x5605 RO NC Display controller type 0xC9 Max=0xFFFF Current=0x0104 RO C Display firmware level 0xD6 Max=0x00FF Current=0x0001 RW NC Power mode {01 04 05} 0xDC Max=0x00FF Current=0x0000 RW NC Display application {00} 0xDF Max=0x00FF Current=0x0201 RO NC VCP version 0xE2 Max=0x00FF Current=0x0000 TBD TBD Manufacturer specific - 0xE2 {00 0E 12 14 19} 0xE5 Max=0x0012 Current=0x0000 TBD TBD Manufacturer specific - 0xE5 0xF0 Max=0x00FF Current=0x0000 TBD TBD Manufacturer specific - 0xF0 {00 08} 0xF1 Max=0x0023 Current=0x0023 TBD TBD Manufacturer specific - 0xF1 0xF2 Max=0x0001 Current=0x0000 TBD TBD Manufacturer specific - 0xF2 0xFD Max=0xFFFF Current=0x0063 TBD TBD Manufacturer specific - 0xFD

DELL-Chris M · Answer

For my notes, click my username and via private message send me the monitor service tag number.

Review page 40 of the P4317Q online User's Guide =

* Turn the monitor off
* Disconnect all cables (including the power cable) from the rear and side of the monitor
* If a mechanical monitor power button, press the button in for 30 seconds (clears any residual power in the circuits). If not a mechanical power button, just wait for 30 seconds
* Reconnect only the power cable
* Press the power button
* Follow the instructions on page 40

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P4317Q, flashing lock icon

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