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monitor screen almost goes black i can see the images and its all the same but its too dark to see

Last response: in Graphics & Displays
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November 20, 2013 2:34:24 AM

its been a long time probably 6 months since i am having this problem. that time it used to be rare but now its more frequent. while i am doing anything my monitor goes black though not completely but i cannot see anything properly . i press the power button on the monitor and start it again and it works fine for few seconds but again the same sometimes when i restart the monitor it works great for some hours but then it happens again . if it helps i now take out the power cord that supplies to my monitor and then put it back and it somehow works better than switching off and on the monitor from the power button
my sys info if helps :
Intel(R) Graphics Media Accelerator Driver Report


Report Date: 11/20/2013
Report Time[hr:mm:ss]: 02:28:25
Driver Version: 6.14.10.4926
Operating System: Windows XP* Professional, Service Pack 2 (5.1.2600)
Default Language: English
DirectX* Version: 9.0
Physical Memory: 2039 MB
Minimum Graphics Memory: 8 MB
Maximum Graphics Memory: 224 MB
Graphics Memory in Use: 7 MB
Processor: x86
Processor Speed: 3000 MHZ
Vendor ID: 8086
Device ID: 2772
Device Revision: 02


* Accelerator Information *

Accelerator in Use: Intel(R) 82945G Express Chipset Family
Video BIOS: 1214
Current Graphics Mode: 1024 by 768 High Color (60 Hz)



* Devices Connected to the Graphics Accelerator *


Active Monitors: 1


* Monitor *

Monitor Name: Plug and Play Monitor
Display Type: Analog
Gamma Value: 1.0
DDC2 Protocol: Supported
Maximum Image Size: Horizontal: 12.0 inches
Vertical: 9.0 inches
Monitor Supported Modes:
640 by 480 (60 Hz)
640 by 480 (72 Hz)
640 by 480 (75 Hz)
720 by 400 (70 Hz)
800 by 600 (56 Hz)
800 by 600 (60 Hz)
800 by 600 (72 Hz)
800 by 600 (75 Hz)
1024 by 768 (60 Hz)
1024 by 768 (68 Hz)
1024 by 768 (70 Hz)
1024 by 768 (75 Hz)
Display Power Management Support:
Standby Mode: Supported
Suspend Mode: Supported
Active Off Mode: Not Supported
Raw EDID:
00 ff ff ff ff ff ff 00 3a ac 01 00 01 00 00 00
01 0b 01 03 08 1f 17 00 ca f0 64 98 57 51 91 27
21 4f 54 af ce 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 64 19 00 a0 40 00 26 30 18 88
36 00 30 e4 10 00 00 18 00 00 00 fe 00 0a 20 20
20 20 20 20 20 20 20 20 20 20 00 00 00 fe 00 0a
20 20 20 20 20 20 20 20 20 20 20 20 00 00 00 fc
00 0a 20 20 20 20 20 20 20 20 20 20 20 20 00 0e

* Other names and brands are the property of their respective owners

and the monitor tab one
display type: analog
serial number: NUL0001
DDC2 protocol : supported
gamma : 1.0
connector type : VGA
device type: CRT

sorry for the long question but help if u can :) 
oh its a very thin chirag monitor probably and lcd but maybe even led i don't have any idea about that plz help
November 20, 2013 3:12:50 AM

check your windows power/screensaver options. it may be windows has set the display dim counter really low.
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a b C Monitor
November 20, 2013 3:25:31 AM

I think that the answer is quite simple. I think that your backlight failed.
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November 20, 2013 3:27:13 AM

@americanbrain that did not help it was set on always on
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Best solution

November 20, 2013 3:29:30 AM

^^ You are probably right. OP please check with an external/different monitor. if the screen stays bright on external then it most likely is the backlight or if its CCFL then the CCFL power "driver" (a little PCB that works the fluorescent bulb). You can usually find them on ebay for pretty cheap and are pretty easy to install.
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November 20, 2013 3:31:08 AM

americanbrian said:
^^ You are probably right. OP please check with an external monitor. if the screen stays bright on external then it most likely is the backlight or if its CCFL then the CCFL power "driver" (a little PCB that works the fluorescent bulb). You can usually find them on ebay for pretty cheap and are pretty easy to install.


thx i may check that out
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November 20, 2013 3:31:47 AM

Avro Arrow said:
I think that the answer is quite simple. I think that your backlight failed.


so what do i do? buy a new one and install it?
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November 20, 2013 3:33:15 AM

it depends if it is the backlight itself or the power driver for the light. The backlight is built into the screen so you would need to replace the whole screen. if it is just the driver card that is usually cheaper and easier.

Is you machine a laptop? I can't work it out from your OP.
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November 20, 2013 3:35:58 AM

and a question if u guys don't mind why is it that sometimes it works for hours and days and sometimes not even for a few seconds?
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November 20, 2013 3:37:40 AM

americanbrian said:
it depends if it is the backlight itself or the power driver for the light. The backlight is built into the screen so you would need to replace the whole screen. if it is just the driver card that is usually cheaper and easier.

Is you machine a laptop? I can't work it out from your OP.


no its a pc i modified recently but am having this problem from the previous unmodified one
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November 20, 2013 3:45:09 AM

that monitor is TERRIBLY small huh? 12" wide for a desktop. Upgrade your monitor sir....
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November 20, 2013 3:48:45 AM

americanbrian said:
that monitor is TERRIBLY small huh? 12" wide for a desktop. Upgrade your monitor sir....


well its not possible for me atm so how do i fix it ..oh and sorry sir its not 12 its 19" long and 24" wide the screen not the monitor >.<
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November 20, 2013 3:51:31 AM

the fix would cost the same as a decent second hand monitor. Where do you live (country only)? In the uk I can find you one with ease super cheap (like £25). I could probably find a cheap one in the USA too. let me know.
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November 20, 2013 3:53:23 AM

americanbrian said:
the fix would cost the same as a decent second hand monitor. Where do you live (country only)? In the uk I can find you one with ease super cheap (like £25). I could probably find a cheap one in the USA too. let me know.


am in india and i don't trust 2nd hand parts around here
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November 20, 2013 4:00:00 AM

sorry, but in truth you probably would have great difficulty sourcing the part for your fix anyway. and it would be second hand too. So whatever you want to do is fine.

The cheapest easiest solution is to find a cheap old monitor that is working. I have seen 17" flatscreens here in the UK for £15. I appreciate that that may be hard for your to come by/justify. but you would be paying that for the part needed here anyway.

If you don't mind telling me roughly where in india you are I will try to find something on OLX classifieds in your area. It looks like you can get super cheap monitors there just like gumtree here in the uk or craigslist in the usa.

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November 20, 2013 4:06:31 AM

americanbrian said:
sorry, but in truth you probably would have great difficulty sourcing the part for your fix anyway. and it would be second hand too. So whatever you want to do is fine.

The cheapest easiest solution is to find a cheap old monitor that is working. I have seen 17" flatscreens here in the UK for £15. I appreciate that that may be hard for your to come by/justify. but you would be paying that for the part needed here anyway.

If you don't mind telling me roughly where in india you are I will try to find something on OLX classifieds in your area. It looks like you can get super cheap monitors there just like gumtree here in the uk or craigslist in the usa.



the first thing is it is not the money that matters but the monitor my father holds me responsible for anything that happens to my computer so i cannot replace the monitor i want the parts to fix it and the second thing is i don't want to waste money on any part that won't do any good to my monitor >.< oh and i stay in kolkata,west bengal region help if u can
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November 20, 2013 4:11:19 AM

and if u guys don't mind can u plz answer y does my com's monitor just works fine for few days and then the same problem again?
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November 20, 2013 4:18:39 AM

it is the electrodes in the backlight/driver. They wear out over time. If the resistance increases as the electrodes wear out the driver strains more to compensate. over time either the electrodes get so worn that the backlight fails entirely, or the driver breaks after repeated strain.

It works exactly like a fluorescent light bulb (the long thin ones) how many times have you seen a flickering one of those? sometimes they flicker a little, but they eventually get worse and worse until they don't work at all.
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November 20, 2013 4:20:25 AM

americanbrian said:
it is the electrodes in the backlight/driver. They wear out over time. If the resistance increases as the electrodes wear out the driver strains more to compensate. over time either the electrodes get so worn that the backlight fails entirely, or the driver breaks after repeated strain.

It works exactly like a fluorescent light bulb (the long thin ones) how many times have you seen a flickering one of those? sometimes they flicker a little, but they eventually get worse and worse until they don't work at all.


so i need to change any one of them but can't guess which one correctly right?
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