Questions tagged [dead-pixel]

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16 votes
1 answer
7k views

Why does the screen display dead pixels at 144 Hz, but not at 60 Hz?

I'm using Asus TUF Gaming F15 which is working really fine for me, but recently I noticed that at 144 Hz there is a black horizontal stripe (dead pixels) at the bottom of the screen. When I change the ...
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0 votes
0 answers
289 views

What kind of pixel defection is this? Can it be fixed?

I recently purchased a monitor which unfortunately comes with a very strange defective pixel. However, I also came across a very old post which describe the symptoms perfectly, though sadly with no ...
0 votes
2 answers
168 views

Can spots of inactive black pixels transmit to the other part of the screen?

I've found a very old laptop in my house (probably 14 years). I remember the screen was damaged because of pressure on the upper right corner. Something came between the lid and the base of the laptop ...
1 vote
0 answers
109 views

Dead pixel count growing when the computer is shut off?

My computer is a Samsung Chromebook 3. I have a clump of dead and stuck pixels on the bottom left of my screen. I know that dead pixels can be nearly unfixable, but a few things i have tried have ...
0 votes
0 answers
230 views

Calculating how many dead pixels I have on my Monitor

I think I have a (or several) dead pixels on my Acer 24" Monitor (Model Name: HA240Y Part Number: MM.T97SI.001) Their policy says: Dead Pixel Warranty Policy The table below shows the allowable ...
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0 votes
0 answers
90 views

Teleporting broken pixel on Windows 10

It is different from the other post about fake dead pixel. The bright pixel appears randomly on the upper left of the screen. It can be covered by my mouse It does not appear on lockscreen or booting ...
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5 votes
1 answer
2k views

Why does the dead pixel on my monitor keep reviving and dying?

I have an Asus ROG STRIX 49 inch ultra wide monitor... and unfortunately I have a dead/stuck pixel I tried many programs online(JScreenFix, PixelHealer, UDpixel, etc...) as an attempt to remove the ...
0 votes
0 answers
451 views

Thinkbook 14S IWL screen flickering issue

I purchased a Thinkbook 14S IWL from USA and realized that it has a screen that flickers randomly. Here's a video of the same: https://www.youtube.com/watch?v=wfNUeFf9D6I&feature=youtu.be I have ...
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1 vote
1 answer
665 views

Is this a dead pixel on my new screen?

I have a dot on my screen that looks a bit like an anti-aliased circle. I took a picture of it: To me it looks like it's not only one pixel that's dead, but a whole bunch but they're also not ...
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0 votes
1 answer
58 views

Is screen replacement the only solution?

From the last 3 Month my laptop screen is having some pixel issues but from the last 10 days the pixels are turning bluish green. I think this is stuck pixel issue and I have used deadpixelfix.pl and ...
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6 votes
1 answer
7k views

What are these LCD defects if not dead pixels?

Over the past weeks, a line of black/turquoise pixels has appeared on the left of the LCD screen of my 2-year old Lenovo laptop, and has slowly spread into the stain photographed below. However, it ...
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5 votes
1 answer
10k views

What is the cause of these "dead" pixels which are visible even when the screen is off?

After partially disassembling and re-assembling an old dell Inspiron 1525, I noticed a row of four apparently dead pixels which weren't there before. This row gradually grew to a largish blotch which ...
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1 vote
1 answer
39 views

Picking up a used MSI All in One - what quick tests can be run on it?

This is the specific model in question. It looks good, and the price is right. The seller has also offered to allow me to test it before handing over the money. However, I don't think he'd be very ...
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14 votes
1 answer
9k views

Dead or stuck pixel? Weird pixel behavior

I have a very weird problem. I recently discoverd a blue dot on every dark/black image i opened. A dead pixel? It couldn't be, a dead pixel does not receive any energy and would be a black pixel on ...
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3 votes
3 answers
502 views

White-Black dot on Laptop Display

I have noticed a dot on my laptop screen. The behaviour of this dot is changing under different background colors. I just want to know if this is a DEAD PIXEL of anything else and is there any fix for ...
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0 votes
0 answers
53 views

What happened to this pixel?

I have what seems like a dead pixel on my screen, but when I take a picture of it and zoom in it looks different. Original Image
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21 votes
1 answer
7k views

When I see a black pixel only on a blue screen, is that a stuck pixel or dead pixel?

I have pixel on my LCD that appears black only on a blue background; it works fine on other colors. Is this a "stuck pixel" or "dead pixel"?
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1 vote
2 answers
16k views

LCD Horizontal Line with Changing Color : Dead Pixels or Stuck Pixels?

My monitor recently started showing a black horizontal line yesterday. I tried searching for some solution on the internet and found some good suggestions. Now, recently I noticed that the color of ...
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1 vote
1 answer
224 views

Howto repair dead-pixels automatically?

My camera has some dead-pixels. The images are in JPG format. Only on some images (but still more than 300 images) they turn completely red on dark background. I want to automatically determine pixels ...
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2 votes
1 answer
2k views

Limiting desktop size in Linux

I have a display and the right-most edge of my monitor is busted! So to make it work, I'm trying to somehow restrict my desktop to the pixels that actually work. This would mean: The pointer shouldn'...
3 votes
1 answer
5k views

can dead pixels magically heal themselves?

I had an area of dead pixels on my Lenovo laptop, which appeared out of nowhere and grew over time. The area was completely black - couldn't see through it, and after recent travel with laptop - I ...
2 votes
1 answer
2k views

Is it possible that an LCD monitor gets pixels damaged in transit?

Is it possible that an LCD monitor gets pixels damaged in transit? I bought a used LCD monitor without testing it first, and when I got home I found it had three contiguous stuck pixels on its ...
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3 votes
1 answer
4k views

How do I remove something that's stuck in my laptop's screen? [duplicate]

Possible Duplicate: How to remove dead Thunderflies from an LCD monitor I have Dell laptop with a matte screen under warranty. A bug has crawled under the glass/plastic(?) on my screen. It was ...
2 votes
1 answer
3k views

Can dead pixels appear with age of an LCD?

I'm curious if it's common for dead pixels to have more of a chance of appearing as it ages. I have a 3 year old laptop and just noticed 3 dead pixels in one corner. I don't believe I've noticed them ...
2 votes
1 answer
1k views

Dead or stuck pixel during booting

Greetings to all the experts,currently i'm facing a problem on my monitor,it can't show anything during booting,this bugged me as i can't look into BIOS setting,this is the video i've captured. part ...
35 votes
5 answers
4k views

How could I safely fix my walking "dead pixel" bug?

I need suggestions. I've got a live little bug inside my macbook pro screen for 2 days now. I've tried to film it using my iPhone, but it ain't that good. :( Should I try to open it? o_O C'mon, ...
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1 vote
4 answers
2k views

Do lines across an LCD screen indicate that it's time for it to be replaced?

I have a 5 year old thinkpad which has suddenly developed a horizontal line across the screen. The pixels on the line look 'slow' ie. they change colour only after a while and that too not ...
2 votes
2 answers
6k views

LCD Stuck Column (TAB Fault?)

I have a column of red pixels (one pixel wide) that is always red (unless I'm looking at something white) on my laptop LCD screen. I read on Wikipedia about TAB faults: http://en.wikipedia.org/wiki/...
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84 votes
5 answers
113k views

Removing dead thunderflies stuck inside an LCD monitor

This summer my flat was "attacked" by hundreds of tiny thunderflies, some of which managed to get behind the screen of my LCD. A few of the cursed creatures went and died right in the middle of the ...
1 vote
1 answer
5k views

Dead pixels or cracked screen?

I purchased this Toshiba Satellite A500 about a week and a bit ago and this mark has appeared on the screen. Is it dead/stuck pixels or is it cracked within? I haven't done anything to crack the ...
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1 vote
5 answers
664 views

Chaotic behavior of a dead pixel on my iMac 24"

Since I bought my iMac last year, I have a white pixel on the left of my screen. I'm ok with that, one pixel is not much and I know about dead pixels policies. My problem is about understanding this ...
15 votes
4 answers
7k views

Any way to fix a stuck pixel in an LCD screen? [duplicate]

I have an older LCD monitor, and it has recently developed a single green pixel that's always on. It's not really annoying if the screen is bright, but it's very noticeable when there's something ...
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