Troubleshooting Computer Displays

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Sticky: A guide on how to troubleshoot 2 seconds to black by retiredcaps Started by retiredcaps, 07-23-2010, 09:04 PM	66 responses 238,447 views 0 reactions	Last Post by dnytwaryors 08-22-2023, 10:56 PM
Sticky: Inverter tester using old CFL by budm Started by budm, 04-08-2012, 11:51 PM	94 responses 234,917 views 0 reactions	Last Post by bob2weed 06-13-2021, 06:11 PM
Closed, Sticky: WARNING: Live heatsinks & single pole on/off switches in switching power supplies by Per Hansson Started by Per Hansson, 06-09-2021, 12:01 PM	0 responses 4,318 views 0 reactions	Last Post by Per Hansson 06-09-2021, 12:01 PM
Closed, Sticky: BIOS & FIRMWARE Attachment Upload WARNING! AVOID BANNING, READ BEFORE UPLOADING! by Topcat Started by Topcat, 12-30-2018, 03:16 PM	0 responses 9,958 views 0 reactions	Last Post by Topcat 12-30-2018, 03:16 PM
Acer ED270R no display/black screen, backlight is on and Win11 recognizes by C:\ Started by C:\, 09-26-2023, 12:28 PM	3 responses 1,075 views 0 reactions	Last Post by eenee 05-30-2025, 06:13 AM
Dell 34 inch U3419W Monitor with thin stripes on partial screen by ChristianBr01 Started by ChristianBr01, 05-23-2025, 06:06 AM	7 responses 114 views 0 reactions	Last Post by CapLeaker 05-29-2025, 11:36 AM
LG 34WR55QC dumps or firmware by zzztann Started by zzztann, 05-21-2025, 11:27 AM	0 responses 29 views 0 reactions	Last Post by zzztann 05-21-2025, 11:27 AM
Viewsonic VX2718-PC-mhd SG2701B01-8 by StefanNg Started by StefanNg, 05-17-2025, 01:43 AM	1 response 92 views 0 reactions	Last Post by StefanNg 05-20-2025, 09:08 PM
LG 34 GN73A by crazycavan Started by crazycavan, 01-04-2025, 04:24 AM	2 responses 87 views 0 reactions	Last Post by lotas 05-19-2025, 02:04 PM
Samsung S19B300B Firmware Need by babakmaku Started by babakmaku, 05-15-2025, 11:24 AM	2 responses 76 views 0 reactions	Last Post by babakmaku 05-18-2025, 01:40 AM
help SG2701B01-7 panel chinese, would this integrated circuit be equivalent? Chinese IC CS601C regulator. by valente222 Started by valente222, 05-12-2025, 03:42 PM	2 responses 106 views 0 reactions	Last Post by valente222 05-17-2025, 01:08 PM
Looking for schematic or help with lg-27ul550 by atunguyd Started by atunguyd, 05-16-2025, 02:05 PM	0 responses 55 views 0 reactions	Last Post by atunguyd 05-16-2025, 02:05 PM
Dell 2209WA - power supply - Fusible Resistor replacement by jinu_j Started by jinu_j, 05-03-2025, 10:51 PM	4 responses 83 views 0 reactions	Last Post by CapLeaker 05-04-2025, 11:58 AM
HP ZR22W burning mode by androw ezzat Started by androw ezzat, 05-03-2025, 03:01 PM	0 responses 42 views 0 reactions	Last Post by androw ezzat 05-03-2025, 03:01 PM
Acer X203H monitor, trying to ID power board part. by badcap400 Started by badcap400, 04-19-2025, 04:18 PM	2 responses 88 views 0 reactions	Last Post by badcap400 05-02-2025, 07:35 PM
Asus VE228HR firmware by Davi.p Started by Davi.p, 04-23-2025, 06:36 PM	3 responses 82 views 0 reactions	Last Post by Davi.p 04-25-2025, 02:45 PM
Neotec NT-2700 by Ace3581 Started by Ace3581, 04-24-2025, 12:54 AM	0 responses 47 views 0 reactions	Last Post by Ace3581 04-24-2025, 12:54 AM
ASUS VP249H Component identification C30cH by deep000 Started by deep000, 04-20-2025, 01:24 PM	6 responses 116 views 0 reactions	Last Post by lotas 04-23-2025, 03:17 PM
Samsung SyncMaster 740n Phase Control Issue by vincentedel Started by vincentedel, 04-22-2025, 12:33 AM	1 response 47 views 0 reactions	Last Post by eccerr0r 04-22-2025, 01:03 AM
Notebook screen LM156LFCL - Help me identify the components. by matheus30 Started by matheus30, 04-14-2025, 04:04 PM	1 response 73 views 0 reactions	Last Post by lotas 04-14-2025, 05:36 PM
Samsung S23A550H Not Displaying Input by canadaboy25 Started by canadaboy25, 12-07-2014, 02:06 PM	4 responses 4,343 views 0 reactions	Last Post by lab_rabbit 04-08-2025, 06:40 PM
Acer Predator X34 No Power by m_12adel Started by m_12adel, 04-01-2023, 08:22 AM	6 responses 1,482 views 0 reactions	Last Post by BowlOfSomething 04-08-2025, 04:13 PM
HP 27es - LED monitor - Monitor Flashing On - Off by ant3202 Started by ant3202, 03-20-2025, 07:30 PM	6 responses 145 views 0 reactions	Last Post by прямо 04-08-2025, 06:03 AM
MSI Optix MPG27CQ half screen working. Identify burned component by smic717394 Started by smic717394, 04-08-2025, 05:53 AM	0 responses 94 views 0 reactions	Last Post by smic717394 04-08-2025, 05:53 AM
Viewsonic G810 vertical deflection problem by Returning Buick Started by Returning Buick, 04-01-2025, 07:57 PM	0 responses 48 views 0 reactions	Last Post by Returning Buick 04-01-2025, 07:57 PM
Lenovo P24H-2L RTS5450M dump by PhonesLab Started by PhonesLab, 03-31-2025, 02:45 AM	0 responses 113 views 0 reactions	Last Post by PhonesLab 03-31-2025, 02:45 AM
Crua CR270C shorted input. by redbaron1007 Started by redbaron1007, 03-12-2025, 02:10 PM	4 responses 102 views 0 reactions	Last Post by redbaron1007 03-25-2025, 05:30 PM
LG monitor ips226v-pnx firmware need by soso technician Started by soso technician, 03-21-2025, 06:01 AM	3 responses 184 views 0 reactions	Last Post by soso technician 03-21-2025, 11:40 AM
LG 31MU97 no power by Anzial Started by Anzial, 08-16-2018, 03:42 AM	14 responses 8,765 views 0 reactions	Last Post by Vspeed 03-06-2025, 03:57 AM
Odyssey G9 Neo backlight partial failure. by gaelican Started by gaelican, 02-27-2025, 02:39 PM	0 responses 57 views 0 reactions	Last Post by gaelican 02-27-2025, 02:39 PM
EIZO CX270 - No signal but Backlight and Panel works, logo works, admin menu works. OSD doesn't. What?! by vf fa Started by vf fa, 01-31-2024, 01:40 PM	34 responses 1,116 views 0 reactions	Last Post by vf fa 02-27-2025, 02:57 AM
Need Aoc moniter e941Sw bios file by Mr.D Started by Mr.D, 02-21-2025, 02:27 AM	0 responses 46 views 0 reactions	Last Post by Mr.D 02-21-2025, 02:27 AM
LG - 29wp60g-b boardview by shashtol Started by shashtol, 02-20-2025, 10:11 AM	0 responses 66 views 0 reactions	Last Post by shashtol 02-20-2025, 10:11 AM
Monitor Dell U2913WM - No OSD, No input selection by CornholioGSM Started by CornholioGSM, 04-09-2019, 11:01 AM	1 response 1,557 views 0 reactions	Last Post by alexa11 02-19-2025, 07:03 AM
Dell 2408wfp no image by rocket Started by rocket, 05-06-2017, 08:57 AM	1 response 1,596 views 0 reactions	Last Post by Rainbow 02-18-2025, 08:32 AM
need help labeling Dell P2210f board diagram by guy960915 Started by guy960915, 10-22-2024, 11:51 AM	3 responses 160 views 0 reactions	Last Post by DanPoka 02-16-2025, 09:17 AM
Guide me through repairing a Dell p2210f LCD ccfl backlight monitor by DanPoka Started by DanPoka, 02-15-2025, 05:05 AM	8 responses 143 views 0 reactions	Last Post by DanPoka 02-16-2025, 07:21 AM
Main board schematic request: Dell U2415b by Mo Phoenix Started by Mo Phoenix, 02-15-2025, 11:36 PM	1 response 67 views 0 reactions	Last Post by truclacicr 02-16-2025, 01:20 AM
Dell P2720DC - Powers on only in test mode by CornholioGSM Started by CornholioGSM, 02-15-2025, 10:21 AM	0 responses 30 views 0 reactions	Last Post by CornholioGSM 02-15-2025, 10:21 AM
Strange 2 seconds to black issue - Dell P2210 by Misterkeeks Started by Misterkeeks, 03-25-2017, 04:00 PM	7 responses 2,337 views 0 reactions	Last Post by DanPoka 02-13-2025, 09:49 AM
Viewsonic VA2010wb (High Pitch Squeal At Power On) by RetroComputingGrotto Started by RetroComputingGrotto, 02-03-2025, 06:00 AM	9 responses 117 views 0 reactions	Last Post by momaka 02-11-2025, 08:27 AM
Main board schematic request: Dell U2415b by Mo Phoenix Started by Mo Phoenix, 02-06-2025, 12:59 AM	4 responses 82 views 0 reactions	Last Post by lotas 02-10-2025, 02:32 PM
AOC AGON AG352QCX 2 rows of brighter pixels every 7-8 rows by dokma Started by dokma, 01-31-2025, 07:21 AM	0 responses 62 views 0 reactions	Last Post by dokma 01-31-2025, 07:21 AM
bios Monitor LG 22MB65P-B by beal Started by beal, 01-15-2025, 02:09 AM	2 responses 82 views 0 reactions	Last Post by beal 01-19-2025, 04:00 AM

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