PowerPC :: Screen With Cyan Hue All Around
May 24, 2009
So we were out at dinner last night with family, and the subject of computers came up and we were talking about what we'd want if we were going to get another Mac. Well we came home from dinner and when we opened our PowerBook 1.67ghz to find that the screen has a strange Cyan hue all around it. Text boxes, the actual wallpaper graphic, etc... everything has this hue over it. Bad video cable/connection perhaps? Or do you suspect that it may be the entire video card and in-turn, the logic board?
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Nov 9, 2009
They started real small I thought it was just me then an hour later it expanded, 6 hours passed, it's a least 5 inches wide.. It started on the right, around where the time is shown.
What's happening? I have an early 06 iMac.
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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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Jul 8, 2008
I have a G4 Powerbook 1.67 that I don't take anywhere. It just sits on an iCurve as a home computer. Never been dropped, damaged, looks as good as new.
That said, the screen sometimes gives me these red moving pixels which distorts the screen image a bit (pic attached). And lately the screen has been going out at times with lines across the screen, then intermittent blackouts.
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Apr 5, 2007
My brother's iBook G4 (I think it's a 2003 model) has a problem with the screen. When the computer is turned on, the screen stays black, although the backlight is on (the apple glows). Sometimes, on start up, the screen works normally for a random amount of time before going fuzzy and then black again.
Any ideas on how to fix this? Is it likely to be a problem with the hardware in the actual computer, or just the screen? Or is it a software thing?
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Oct 6, 2006
I think my backlight went out?
I restarted and nothing. Still dim. I can barely, barely see things like if I hit expose, I can see shifting rectangles.
Also, I've been having this issue where the keyboard mostly stopped working -- if I hit kjjh, it'll come up as 3443 or something. It's usually fixed with a restart.
I have it covered by a year of applecare until feb 24, 2007 -- but I haven't registered it yet. Should I register and then call apple or what?
This comes at a REALLY bad time. I have design projects coming up everywhere and of course, despite my $250 external hard drive, i haven't been backing things up because I'm an idiot.
Can I hook it up to a external monitor just to make a backup of my hard drive?
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Jan 6, 2007
I work on an emac and I really like the display for the sort of work I do which is hack work making leaflets and pamphlets that get digitally printed or offset. The colour is accurate and the screen is not tiring. Generally I've been a bit wary of lcd. But I'm seriously thinking of replacing my 1.42Ghz emac with a late model 17" powerbook with a 128mb 9700 card. I'm wondering how this screen will compare with the emac. I'm not up to speed on the various types of lcds. I know for example that the early imac displays will be inferior to studio monitors. I'm expecting that the lcd's used on the late model powerbooks to be top range as it was a pro machine. In the end I don't know if it would favorably compare with an emac crt. The second question is, is it OK to use a powerbook all day as a desk machine, I'd use a big wacom and separate keyboard obviously. Would this sort of use be too much for a laptop? Am I likely to run into problems with overheating or other damage?
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Jun 5, 2007
I just took the screen of my old wallstreet and I was wondering can you get adapters to hook it up to a console or a computer.
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Nov 30, 2007
New here to MacRumors. As the title states, I have a G4 eMac(all white sort of cone shaped) that has a screen that is progressively getting worse. User says it has been gradually getting worse since the Summer. Has a very heavy yellow overtone on any window in the foreground, and some blue etching in the background. I did a search and found plenty of info re: the LCD iMac, but found nothing about this in the eMac? I ran the colorSync utility, and no dice.
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Jun 30, 2008
I recently got a powerbook, and am wondering if there is some kind of plug that can magically turn the laptop into a secondary screen for my new imac.
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Jul 19, 2008
I have an iBook with a cracked screen and a new Mbp. Is there a way to plug the iBook in so it's display will be shown ok the mbp?
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Jan 18, 2009
I just revived my 12" PowerBook and I just starting to notice how dim the screen has become. Even my iMac G3's CRT is much brighter than my PB. I really love this thing and don't want to stop using it, so I was thinking about options to fix the screen. What's the cheapest route? Can I replace only the backlight, or do I have to replace the screen? And where is the most reliable place to get a screen changed?
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Jan 30, 2010
I bought a used iMac G3 last week and everything is in working order, save for one thing. The right side of the display has a sort of faint yellow tint to it. The tint goes away on the right side of any window, menu, picture, text when in the area. It was doing this with OS 9.1 when I got it. I've since upgraded to Tiger (with proper firmware), and the problem persists. I don't think it's a magnetic issue, since it happens regardless of where the iMac is in the room. I've also played with the display options. It's still very much usable, just slightly annoying. A screenshot wouldn't show the tint, and my camera had it kind of blurry, so here's a crude mockup of what I'm experiencing: I don't know if I should toggle or tweak one of the ray guns inside, or what.
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Sep 22, 2010
I wanted to fix this hardware problem with my iMac G4 20". Basically the LCD screen has a redish tint in the corners, only really visible when displaying something bright/white. Also, when looking at the screen from an angle when displaying a black image, it looks completely red. What's the fault here? Is it the panel itself or the backlight?
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Jun 7, 2006
OK so i just noticed TODAY that my powerbook's screen is flickering. i didnt really notice it until i changed the background to a neutral grey and now i see a horizontal flicker. does it always do that? or is something going bad?i still have a year left on my apple care ( fortunately ) so if its dying ill certainly take it in to them.
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Jul 30, 2006
Does anyone know if I can swap a VGA Tibook LCD screen onto a DVI Titanium Powerbook? Is the higher resolution in the screen set up itself? I actually wouldn't mind at all if it would work because I actually like the lower res screens of the earlier tibooks. Just wondering if it can be done.. and I don't mean taking out the actual LCD screen itself from the Tibook case and frame, I mean actually SWAPPING the LCDs and plugging them in. I just wonder if the older LCD could be plugged into the logic board or not. It seems that they would fit the case. I'd really like a faster DVI Tibook with the lower res screen because the font sizes are larger.
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Sep 5, 2006
I have a 64MB ATI graphics card and can't get the screen resolution I want. It was fine and I had it set to how I like, until I plugged in an S-video cable to my T.V then all the settings changed and now I can't get back to the resolution I had before. I unplugged the cable and tried to change them but still no luck. When I select the desired resolution it makes the screen tiny in the middle of the monitor. The resolution is fine on the T.V. I have a real pet hate of low screen resolutions which is all I can use at the moment. I bought the card on ebay but think it is a PC "flashed" to MAC as the factory drivers CD is PC and MAC drivers are on a cd-r. Is there any way I can clear the memory of the card or the files that the card uses so I can "restore" it to how it was before I connected the s-video. It also asked me in the ATI app (the first time I opened it with the T.V connected) if I wanted to have the connection to the T.V as always on. I removed the app and reinstalled but it seems to have remembered the settings and doesn't ask this again. Is there any way to change it back so it doesn't remember?
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Sep 5, 2006
I have a PowerBook G4 15" 1.5GHz. As far as I can remember, the screen had almost no "play" when I bought it and now has about 1.25in of "play" when you adjust the screen angle. A guy in my dorms has one and it adjusts very smoothly. Lets say I'm closing the screen to put it to sleep, the screen will come forward for about an inch before there is any resistance from the hinges. What should I do? I bought apple care so I'm guessing that might come in to play. Is this something I can fix or do I just take it to an Apple store?
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Sep 8, 2006
i had applecare but they wouldn't cover it so the bill is 1300 to fix just the screen and labor. any other place i can go to to fix this?
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Sep 30, 2006
I've got a 15in aluminium powerbook, a couple of years old. So far I've had nearly everything go wrong with it. replaced screen, knackered hd, ram port failiure, and a battery that lasts 10 minutes.
I recently replaced the harddrive, as the standard issue one packed up a few times. I followed the instructions on ifixit.com website. To my delight I actually managed to do it, and the pb worked well for a few weeks. Then suddenly, the screen froze and faded to white. So far I've tried everything -
Resetting the pmu. Resetting the pram and nvram. Opened it up to check I reconnected everything.
and checked to see if the hd is still working starting it up from another computer, and it works fine. Everythings still there. Someone also said if you hold 'R' key down on start up it resets the lcd.
BUT STILL BLANK!!!!!!!!!
The screen still seems to turn black after a little while, indicating the energy saver is still on. I'm thinking I may have dislodged an lcd connection or something?
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Oct 28, 2006
I recently have been having start up problems, when I would hit the power button I would sometimes hear a healthy startup and everything would boot up and then I just get a black screen and you can still tell it has power. I would start and restart untill it would boot. Now the only way the machine will start is if I unplug the moniter cord and plug it back in then it will start.
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Nov 7, 2006
i have a friend who has a powerbook g4 (black keyboard) that was sold to him for very cheap, unfortunately the screen was torn off the base of the computer. Its in perfect running condition but he cant take it anywhere because the screen needs to be supported against a wall as it cant stand on its own. Is there any inexpensive way to fix the screen and restick back to the base of the laptop and if the only way to go is get a professional to do it, how much would it cost him to get it fix. He got the computer for 50 bucks so having the computer work perfectly even if he has to spend at most 300 dollars would be great.
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Dec 21, 2006
I've got an older 15" powerbook running Mac OS X 10.3.9 (i think). Lately my computer screen randomly turns itself off, the whole think going black, like it was asleep or off, but the computer keeps running just fine. Like i might have itunes playing or be burning a disc and that goes on just fine. The computer itself stays running. What I've been doing is putting the computer to sleep by closing the notebook, letting it rest for a few seconds and turning it back on by opening it back out. This fixes the problem for anywhere from 5 seconds to indefinitely, until it happens again. Lately its been happening more. The computer is 4 years old, but the model itself, probably 5.
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Jan 8, 2007
I'm honing in on the purchase of a powerbook. One area that has me a bit confused is the screen resolution of the 15" models. I can see two models that look identical in specs (apart from one having 128Mb of VRAM and the other 64. both are 9700 cards). Anyway one ad says it is 1280x854 widescreen and the other says it is 1440x960 widescreen. I can see these are the same proportions and maybe the 1280x854 can be set at 1440x960. The 1440 one is about 6 months old and the other one is about a year older so maybe some specs were changed. My question is, are these two different resolutions meant to be the native resolution on each machine respectively? Or do they both have the same native resolution and are just set up differently.
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