PowerPC :: Screen Bleeding-will It Wreck Computer
Mar 15, 2010
I cracked my laptop screen and along some of the crack lines there is a blue, magic marker looking bleeding going on. It has been getting progressively worse. The menu bar on top is fully covered in blue. The blue coloring migrates. My question is, will this destroy the inners of the computer in any way? I am trying to wait for the updated MacBook Pros, but don't want to wait if I am risking frying all my info. I can still use the computer, I just have to move screens around so I can read around the blue blood.
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Apr 18, 2007
I have an eyelash-sized dark streak on the center, bottom (dock area) of my Powerbook G4 15". At first, I thought it was dirt, or another external blemish, but if I move the cursor over it, it obstructs the view of the blemish (instead of appearing beneath it.) Also, I have a small, almost white, faded dot which appears to grow and expand larger if the Powerbook is running for longer than 4-6 hours.What is frustrating is that neither show up under screen captures. Is my monitor full of external stains and blemishes which I cannot remove, or is there something actually wrong with my display?
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Dec 15, 2008
so my LCD has these crazy lines
[URL]
Anyone know if I can go to the AppleStore to fix this? I've had this Penryn since March. Also any idea how long?
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Jun 1, 2009
I just bought a new unibody Macbook (YAY), but when i play full screen movies, at the bottom of the screen you can see the light shooting up. Is that worthy of a replacement? Or is that normal on a LED screen? I just purchased it yesterday, so I can just go exchange it if its neccessary.
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Jul 15, 2009
I've had my new 13" MBP for about a month now and I am noticing what looks like backlight bleeding spots at the bottom of my screen. It is most noticeable on the bottom left and appear blue-ish on a black screen at maximum brightness. It is getting irritating when I am watching movies at night. I have the 9CBD screen. Others have said they have no problems with this screen model. So is this normal or is it a defect? If it is a defect, what can I do to fix this? My 14 day grace period is over, so I'm assuming an easy exchange at the Apple Store is out of the question?
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Jul 22, 2009
I did a search and could only find information about the last rendition of mbps, and I see they had problems with bleeding along the bottom part of the screen. I just got my umbp a week ago, but I've been so busy finding a place to live for grad school that I haven't had the chance to use it. I looked at it in the dark yesterday, and I'm super anal. I saw a small amount of backlight bleeding on the bottom left corner of the screen, perhaps half an inch on the left side of the screen, just in one area (not along the entire left side).I wish I could take a picture, but my digital camera is nowhere to be found. Is a small amount of backlight bleeding acceptable, or should I exchange for a new umbp?
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Jul 1, 2008
I just got a new 1.6 MBA but it is going back tomorrow. It has screen bleeding showing like mountains on the bottom and top of the screen. In addition, it is HOT (CPU 63-83 C). Way hotter than what I tested at the store (CPU 40-60 C). In addition, it has a tiny flicked (ripped) paint at the back which I am somehow ok with. I just wanted to share this with you and know if any of you facing similar issues? I have never ever seen screen bleeding in MBAs before since the MBA has the "best" screen ever. I hope that I'll get a better replacement.
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Jan 1, 2010
I have not seen any posts comparing these two symptoms together, but I am wonding if both exist on the same screens, or if they are infact seperate issues. I returned a 27" iMac i7 because it had both slight yellowing and terrible backlight bleeding. I have seen multiple machines first hand (3 Core 2 Duos week 41s) at different stores (Apple and Best Buy) that had no yellowing and no backlight bleeding. I won't get into how to check for yellowing, you can read about that issue here: [URL]
But to check for backlight bleeding is both easy and impossible not to see if you have it. To check for backlight bleeding, a quick way is to bring up a site like http://www.blackle.com/ or any other black background, and check for an inconsistent white glow on the edges of your screen. I had serious backlight bleeding in the lower corners of my screen, which happens to be where the yellowing was happening. I don't know if they are related, but hopefully we can determine if there is any correlation here.
I did order a second machine, because I know Apple knows how to make a 27" iMac with a perfect screen (as advertised), since I have seen 3 of them in the wild. Hopefully they will be back to the quality that they had is their early production units very soon.
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Nov 6, 2008
just after I thought I'd got rid of all of my Apple notebooks I had to get a new Macbook Pro. And equally sadly, just as I've rid myself my the last of my utterly crud Airs I find that I'm going to have to lug the MBP around much more often that I thought - which means that if at all possible, I will need something considerably more portable. So it was with a sense of resignation that I found myself hovering over the 'buy' button on a 1.8/SSD Gen 2. But then I thought "**** it, I've got far better machines than anything Apple can crank out, why can't I hackintosh these instead?" - namely my Sony Z's, forthcoming TT's, existing TZ's and SZ's as well as the Voodoo Envy133 that I finally caved on and ordered. And I'd love to hear of anyone installing a rock solid Hackintosh install with no functional issues on any of those machines - because from what I've read, there seem to be problems.
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Feb 8, 2009
Everytime I turn it on I get a black box asking to shut down or restart the mac. I have managed to get it to turn on to powersave and managed to update the software. Thought it might help but just made it worse - it won't boot up at all now past an apple symbol with a little swirly thingy underneath (I apologise now for my lack of intelligence when it comes to computers/knowledge/names of things!) The first time I managed to boot the computer up it came up with the grey screen and a little folder flashing between a face and a question mark which I assume meant it couldn't find anything but that appears to have gone away now. I bought this computer new from Apple about 2 - 3 years ago and no disks were provided with it.
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Nov 1, 2006
So I've got a powerbook G4, thats 8 days past its warranty. Conveniently, it now won't turn on. It won't wont boot from CD. If I turn it on, I get a gray screen that usually just turns my computer back off, if thats not the case I get a screen that shows the finder icon and a question mark and then turns off.
All it will do is boot into open firmware mode. Currently the install disc is inside of it and I've tried booting the cd using "cd:, bxi" and "dir hd", and it can't open both. Does anyone know how to wipe the HD, and start the installer using firmware? Otherwise, I think I'll have to take out the harddrive and plug it into an external case and then wipe it.
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Aug 10, 2008
i have an ibook g4, and was using it just fine the other night, then when i came back to it a few minutes later it had shut off completely. now when i boot up, the computer freezes at the spinning gear startup screen or at the blank blue screen immediately after the spinning gear. it will boot in single user mode, but it won't boot up with my os x install disc. does anyone know any unix i could try to use to get my mac up and running again, or has anyone had this same problem and knows a fix for it?
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Jul 4, 2009
Alu 24" 2.4ghz when they first came out with aluminum, got it at the store. since august 07 My imac had a small yellow tint, i noticed, when i got it and it was not worth anyhting screaming about, i also noticed it had bleeding issues ath the bottom and sides. I wanted to return it or trade but i was convinced out of it.
Now i noticed that from left to right their is a prominent yellow tint streaking it's way across and fading around the half way point.It is irritating and sad to see this display on this mac was ok, at first but it is geting slightly worse.I have apple care, can i trade this/replace it at an applestore, or would they need to fix it?
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Nov 19, 2009
I've got an 27" i7 which has got a significan amount of light bleedthrough from the LED backlight in the upper right side of the screen, about 5 inches from the far right. I don't have access to the display currently, but will take a photo when I get home.
It's not an annoyance when the screen is displaying bright colours, but when the screen is supposed to be black, the amount of bleed is quite visible (this is bleed down into the screen, not through the joins/seams of the unit).
Very much similar to the examples shown in this thread:
[URL]
Specifically like [URL] except for being on the top right side of the display.
Does anyone else have these issues? I realise that it is impossible to get it perfect, but this could turn into an annoyance for me, and just want to know if anyone else has a similar issue.
I also dont' want to run against Murphy if I have to send it back, as the one I have isn't suffering from anything else...
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Jun 22, 2009
So I got my 24" Cinema Display 2 weeks ago and just noticed this backlight bleeding on the bottom right and its really pissing me off when I watch movies or use frontrow.Does anyone know the best way to go about with an exchange or something?
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Feb 9, 2010
How common is this? I prefer darker backgrounds and this may be an issue.I'm over the yellow and the buzzing, but this too? Don't take me the wrong way - I love my Macs but I can't say I'm crazy about this..See attachment. Ignore the image noise, the big spot that bothers me is on the top to the right.
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Mar 4, 2009
All the screens I have seen have at least a stripe of bleeding on top and some screens have more bleeding on the bottom in addition to that!I just opened my machine today with week5 production and it has a very thin (thinner than others) stripe of bleeding on top and kind of two blobs on the bottom corners.As for the lines (for the curious ones) they are there but this is the best screen I have ever seen since it is way harder to notice them compared to the rest. It is a model 9C90.
Would I return it you might ask, well, I am kind of sick of waiting more for a MBA since this is my second machine since the release of revB so I am kind of 50-50 now on keeping it.BTW, I bought this from Amazon so I was wondering if any of your returned a MBA due to the lines/bleeding issue and got a full refund from them.
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May 13, 2012
I hear the computer physically turn on, but a blank screen remains. I recently purchased a new battery for the computer for the battery status read replace soon about a week ago. I sense that maybe there is a shortage in the wiring that connects what shows on the screen to the computer, but I'm not completely sure.
Info:
MacBook Pro
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Jul 5, 2012
I tried uploading pictures with my s.card and then I plugged in my back up storage disk to transfer pictures and then my computer stopped working as if it was overloaded or something.... I tried forcing quit but that didn't help any. So I just shut it down in hopes that when it restarted it would work but now when it restarts the login screen comes up and after I type my password it just stays on snow leopard default screen(purple sky) and stays there.
Info:
MacBook Pro (13-inch Mid 2010)
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Jun 27, 2014
Computer starts (keyboard lit, music plays, caps lock light on), but no screen. I need to open and close 2 - 30 times before the screen will turn on. Once on, the computer works perfectly. I've tried PRAM and safemode reset.
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Feb 4, 2008
I am looking at purchasing an Ibook G4 but the description of the item includes this:"When you switch it on it begins to load up i.e. the blue screen with the Apple logo, but then the screen goes black or flickers. Said friend has kindly wiped the hard drive for me so now when you switch it on it makes the �opening� noise then you get a blue screen with alternating �?� and the Finder logo."
I have a feeling this may have been a temporary fault with the screen connector being loose and possibly damaged.But i assume the alternating "?" and the "finder logo" is simply a lack of OS?
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Oct 6, 2008
Our eMac seems to be developing a green tint in the bottom right hand corner of its screen. I've done some quick searching online and it seems that a few people have suggested a cold boot so it runs the degaussing process on a startup.
I left the eMac off for about an hour, unplugged. It did the degauss once it was plugged back in and "seems" to have removed nearly all of the green tint.
There are a few threads on various forums when I search on Google about this issue but they have no conclusive reasons why this is happening.
Could my eMac be developing a fault at all? I'm not too sure if anything magnetic has been placed on our table near the eMac so this may be the reason.
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Dec 26, 2008
just installed 10.5.6 on their last gen. iBook.She left the iBook plugged in to the mains and came back to find that the iBook was alternating between the grey Apple screen and a light blue desktop screen where she could see the cursor. Sometimes it would also switch to a blue screen without a cursor.
I've tried holding shift during startup - no effect.
I've tried rebooting NVRAM - no effect.
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Apr 30, 2007
My iBook will not display anything on its screen. Rather, it just remains black. One time, the screen did come on, but then shortly after booting, it flickered a lot and then went black again. A year ago, something similiar happened and when I took it to be serviced (when I had AppleCare), they had to send it away and have a new logic board installed. Now this machine is out of warrenty and and I am not sure what to do, or even if it is the same problem. Any suggestions?? Thanks!
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Sep 23, 2006
Ever since I sold it here on MR and got it back, there has been a problem with my 12" Dual USB iBook G3 500MHz's screen (lord, that's a long name). Whenever the screen is tilted back farther than 45 degrees or so, the backlight shuts off. I can open the casing and fix it if it's possible. Does anyone know what the problem with it is? I'm trying to get it fixed up and ready to sell back to my friend as his first Mac, and I'm trying to get every problem resolved
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Dec 5, 2007
Thing is I got hold of a 1ghz 17" iMac almost for free, it had a dead logicboard (I checked it with a voltage-meter), but I figured I could fix it and have a small hobby project-thingie going on. Well I just got a new logic board today, for a 1ghz 17" iMac g4.
Things is I only get a bright grey screen from my Mac when I boot. I've tried connecting it to a external display and that works fine. Everything is there.
I then reinstalled Tiger on it, with the computer connected to my external screen. And I still have the same problem. (I have now disconnected the ext. screen and is controlling the iMac from my MBP). So at least it isn't the installation.
So what is the problem? I can via an Apple Keyboard control the brightness on the blank screen, which would indicate that it does react to input of some degree.
I've read that if the inverter is dead or anything else is dead, you would get a rolling grey screen, flicker or something like that and not a steady bright grey. One thing I'm thinking is. What if somehow this logic board was for a 15" 1ghz imac g4? Can I check this?
I read that long thread about guys buying hi-res displays for their MBPs, and they had to replace some display profile? Could I maybe fix it with a different display profile-file?
I'm really confused by all this, and would appreciate any help I can get.
Model: PowerMac6,1
CPU-Type: PowerPC G4 (3.3)
and
the gfx chip is a GeforceMX4 with 32mb.
The display is a mode 9c27, manufacturer 610, serialnumber 00000, manufacture date: B84D7200.
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Aug 11, 2006
i have a mac ibook..and the screen is like halfway on there..and halfway not..the left two inches of the screen is blue...and everything is blurry except the background
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Jan 25, 2007
will replacing the DDR3200 in my Powermac G5 with DDR4000 give any noticable increase in performance?
System stats:
dual core 2.5 GHz processor
2.5ghz crucial ram
500GB WD HD
ATI 9600 video card
OSX Tiger 10.4
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Feb 8, 2008
I have a Powerbook G4 with an error message when I boot. "You need to restart your computer. Hold down the Power button for several seconds or Press the restart button". Restarting the computer doesn't work.
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Dec 24, 2008
I have an old-ass desktop PC that I wanted to upgrade (especially a gaming machine), so I was looking through a good case. However, I really LOVE the Mac Pro/ PowerMac G5 cases. The silver one with lots and lots of holes in front And then I saw some PowerMac G5's on sale at my local authorized mac reseller, for a very nice price. it got me thinking, I can buy that PM G5, take out the innings, put it to my old desk-top case to use at home (since it's dual 1.8ghz or something like that, which should be very powerful) and use that CASING of PowerMac to build my new computer. So here's my REAL question:
1. would that be a good idea?
2. Would all the components, ATX Motherboard, a nice graphic card that's big, (thinking of GTX 260 or ATI 4870) fit inside? And also, what's the built-in power supply at?
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