Hardware :: TIbook Backlight Blanking Out?
Nov 15, 2007
So here's the deal. I have an 800mhz tIbook that I had to replace the DVD/CDrom drive and hard drive to get working properly.After I did that I've been having issues with the backlight. It worked fine for a couple of days then started blanking out. The machine would boot and it would be on for a second, then blank out (just the backlight, not the LCD itself). So I know it's CAPABLE of working. I took the machine apart a few more times and couldn't find a pinched wire or bad contact or anything.
Thoughts on what the issue could be? It's driving me up a wall. The only thing I can think to do at this point is to replace the backlight inverter board (the thing attached to the CD-Rom drive) as well as the wire that connects it to the logic board.Is there anything that I'm not thinking of? I'm so annoyed because it did work just fine for a day before doing this!
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May 26, 2008
My former, babied, 400mhz overclocked by Daystar to 550mhz Titanium Powerbook has a fried logic board. Can I put a the old low resolution Tibook screen on a 1ghz Tibook body with a higher resolution screen?
Would it just power on at the lower resolution or is this just idiotic?
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Nov 7, 2009
I have a late 2007 2.2ghz MBP. It seems that the video cable is failing, as I often open it up from sleep and get only half an image on the screen. Image capture does not capture this, so I know that it is hardware related. It does not happen on my external monitor.
It is getting more frequent, and has been going on for about a month, The warranty expired in late September (lucky me!)
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Jun 19, 2012
Several months ago, Safari started blanking. I'll have several tabs open and they'll all go white and when I click on one it reloads and I go to the next one and it's white. I go back to the first one and it is white. Sometimes I get a page reforce load message. I have cleared cache. I have restarted. It doesn't happen all the time but seems to happen in the evenings more than at other times. I have Qwest/Century Link high speed dsl. This is so totally irritating.
I have also noticed that when I click on a link that tries to play a youtube video or if I go to youtube, I have to wait awhile for the video to play - it starts and restarts several times before it actually works. I watched the activity monitor and the Safari Web content process will go from 11 up to around 140 while this is happening and when it drops back down is when the video will actually play with no problem. This can take up to several minutes. It's like a car spinning it's wheels trying to get traction.
Info:
iMac (24-inch Mid 2007), Mac OS X (10.6.8)
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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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Mar 5, 2008
I am (or was) sure that I could - be a recent experience with a new (TN panel) LG LCD monitor 20.6inch 1600 x 1050 native res. (LG L204WT) has sown some doubts. Basically, the external monitor would go blank after a few minutes or secs after scrolling around opening windows etc. Not to powersaving mode but just blank. Only unplugging the DVI cable, rebooting the powerbook and reconnecting the DVI would bring it back to life, only for same thing to happen.
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Dec 23, 2008
I have an old Titanium Powerbook that wont startup. I haven't used it in about a year.
I've tried keeping it on charge for a day with and without the main battery inserted (which was knackered before I stopped using it anyway).
Any thoughts on what could be wrong with it? An internal battery problem?
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Sep 13, 2009
I have a very old PowerBook that did have OSX running on it fine. Recently it has stopped working completely and when you startup it takes you to a blue screen with a question mark and a finder icon flashing on top of a folder. If you give it long enough it will just shut off. I have tried booting from a CD but I can't seem to get that to work. I boot up holding down the option key and it brings me to a window with a picture of my hard drive and a picture of the CD drive but when I click the cd drive and then click the forward button it merely acts like it's refreshing the list and doesn't actually boot from the CD at all. I've also tried holding down C during boot up but it ignores that and just goes to the same old flashing question mark and finder icon screen. The CD I am trying to boot from is the same OSX cd that I originally installed OSX on this computer from so I know it works.
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May 11, 2007
Fixing up my old TiBook to sell and discovered the CDRW is playing up reads some dics OK but makes a horrible crunching noise when ejecting, not good. The original drive is a Matshita CW-8121 but I can't find any for sale, what can I replace it with that's current and supported? And pref cheap on Ebay.
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Apr 24, 2009
I have the 1GHz Ti Book, 15", 1GB PC133 memory, 60GB 4200 RPM drive, Tiger, and it's awesome. Battery is basically dead (10 min). I do typical web/email stuff.I also do some music recording and it works fine. Watching video is difficult on [URL] though. I need to upgrade to Leopard as I want to start doing Web Development using Rapid Weaver. The new version of Rapid Weaver requires Leopard. So, while I'm planning on purchasing a new machine soon, I wonder if it's worth spending the money to:
1) buy Leopard for my TiBook (are there performance issues?)
2) buy a 7200RPM drive (for performance)
in order to run Rapid Weaver 4.0 or not.
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Mar 18, 2009
I'm in the process of repairing a TiBook, 1GHz DVI. I need a new LCD, but I'm not sure if I need one from the specific DVI model, or if any 15" screen will work (from a TiBook). I think I'm going to need the DVI LCD, but the other LCDs are a lot cheaper, so I wanted to ask.
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Dec 18, 2007
So my Pismo died shortly after I added an addtional 133Mhz 256MB RAM module to it. Don't know if the daughter card CPU connector socket is no longer making excellent contact, or I just static electricity shorted it (RAM transfered to new TiBook works just fine, so probably something more serious like logic board or PS gradually dying was what lead to kernal panics and finally only booting up to chime sound and black screen)...but long story short after lots of searching/troublshooting, I got a used 'dealer refurbished' 1Ghz TiBook from Wegener Media. Cost more than a alum PB, but it's the fastest dual boot (yes, I know, but I still want OS9.2 bootability) laptop in Apple's line. Only problem when I received the system, I did Apple Profile on it, and found no Airport Card installed. Sent an email to Wegener and got a reply that there were at least 9 different configurations of 1Ghz Tibooks, and that Airport Cards where a "CTO (configure to order) optional, not stock, item"...in Wegener's words.
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Aug 11, 2008
I've searched high and low for any and all alternatives to working with my, shall we say, "experienced" Powerbook Titanium, despite it's age(it's not old, it's chronologically advanced!). After looking things up and being able to think of nothing, I figured I'd finally register here and hope for some good advice from people who possibly know more about Mac hardware than I do.I received my laptop in June of 2002(it was likely bought either that month or April) from my father. As far as I was aware, it was a brand new Powerbook bought from Comp USA...with the latest specs and peripherals at the time. After 7 years of using and loving my laptop(despite the fact the battery is completely dead, both hinges are broken and removed to keep the wires from accidentally being cut until I can afford new ones, and the CD drive no longer working), it's come to a point where I'm needing to try to breath even a little new-found life into my true love...or be stuck using "The Rex", my overbearing Desktop PC with its snooty Windows XP and massive noise-creating fans.
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Feb 27, 2009
I have a 400 mhz Titanium powerbook I'm trying to resurrect for my teen daughter. Just replaced the internal pram battery, the external regular battery, and the a/c cord, all with brand new parts. The book was dead, and now I have power but not much more.
When pressing the power button I get one chime, and then I can hear the fan working, but no hard drive sounds. The screen is black.
Eventually, when left sitting, the thing will turn itself off. It seems as if it is not booting completely, but then I can't see anything. I am used to hearing hard drive pops and whirrs though, and nothing here.
1. I tried resetting the PMU with the button on the back of the unit.
2. I tried resetting the pram with cmd/opt/p/r before power, but no matter how long I hold I only ever get one chime.
3. Tried booting with my OS Tiger retail CD (which is what is installed) and the drive barely spins, and the screen remains black. Holding C doesn't help.
4. The new battery is charging normally.
5. I tried removing the two ram sticks, moving them around from slot to slot, and using one ram or the other. Nada.
6. Tried forcing shutdown by holding power button 10 secs, then rebooting. In fact, that's how I have to shut it down when I need to, since I can't see anything.
This laptop has been in storage for about a year. This is the same problem I had when I put it away. I think perhaps the laptop might have been knocked off the coffee table and fell about 2 feet to the floor a short time before these problems. I heard it, but the kids won't admit it. *grin* It worked fine for about a week or so, then began losing video at startup.
I just spent about $75 in parts. Should I maybe try a new PMU board before chucking the thing? Any other ideas what might be happening?
I've read till my eyes are blue, and can't seem to find a boot issue with one chime on this machine.
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Dec 7, 2010
My tibook .867Ghz was working fine this morning, but now when I restarted it this afternoon, the colors are all off (lots of green and rapidly vibrating pixels in background). The computer works, I can run programs and so forth. There are no changes to the displays settings, still 1280x854 and colors "millions". When I switch to thousand or 256 colors there is no significant change.
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Mar 9, 2007
My TiBook 15" G4 (OSX 10.4.8) has an Airport slot but no Airport card. I got a Sonnet Aria Extreme card but it shows nothing on the TiBook � not in the menu bar or in System Profiler. I've tried restarting with and without the card inserted. The Sonnet support guy suggested everything I had already done and then came up with "Check under the keyboard to be sure the cardbus connection was intact." Seems fine. I'm assuming the card has the Broadcom chipset because they swear it works fine on the 15" TiBook G4.
Also, Airport software is updated, but doesn't show or function because it doesn't see any wireless capability.
Like everybody else who gets frustrated, I've also done everything again 4-5 times, just in case the computer or the card might forget that it doesn't work.
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Dec 15, 2010
I kept my macbook (late 2008) turned on overnight on lowest brightness and when I tried turning the brightness back on this morning, the backlight flashed on for less than a second and then turned off again. Somehow I managed to get it to work, but whenever I move my macbook even slightly the problem reoccurs. I've done some research on my problem and I suspect that it's hardware related (maybe the inverter or the inverter cable?), but maybe the LCD itself is broken? Does anyone else have any experience with this?
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Oct 20, 2007
My iBook G4 is out of warranty and the backlight goes out. Sometimes its seconds, sometimes minutes, sometimes days. Its really annoying because besides that, the computer works perfectly. I want to take it apart and see if theres anything I can do to it (is there?) I know its risky, but I am willing to do it, so don't tell me anything about the risk involved. I would just like to know if its possible (thinking it might be a loose wire or something?) and if it is possible, does anyone have any tips or point me to a good tutorial on how to do this? I just really want to get this fixed, especially with Leopard 6 days and 6 hours away (and 45 minutes and 30 seconds).
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Jan 22, 2009
I have a 2.2 Santa Rosa 15" MBP, and an odd thing happened last night. I wasn't running any unusual applications, and had a few things open and was browsing in Firefox. All of a sudden my screen went black, and wouldn't come back up.
The computer is still running just fine, and it didn't go to sleep. The LED backlight is fine, as the Apple logo is lit up and if I change the brightness I can see the backlight changing (the "black" screen gets less "black", if that makes sense), however the actual display panel isn't projecting any picture at all.
I've restarted a dozen times, reset PRAM, and did the unplug battery and hold power button trick, all to no avail. There's no flicker of a picture or anything... it's as if the monitor is completely dead (aside from the backlight being fine).
If I plug in an external monitor, I can use the computer just fine. So it's not like the video card is dead all the way.
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Feb 8, 2009
I know that the base 2.0GHz MacBooks do not feature the backlit keyboards of the higher-end models, but I was wondering if the actual backlight is physically in these lower-end models and just disabled in firmware or software? Or is it missing entirely?
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Jul 22, 2009
I have a powerbook g4 17 in a1107. The back light does not work. I am not at all sure what the display resolution is. If I install an lcd screen with anything other than the original resolution, will the notebook be able to support it?
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Mar 17, 2010
It keeps randomly going off and on even in the middle of me typing. Why does it do that, and how can I change it?
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May 13, 2010
I was using firefox today (all I had open was facebook and gmail) and iCal was open in another space. All of the sudden my macbook screen went black, but the backlight was still on and the music was playing. I hit the space bar a few times and moved around the mouse and the screen came on for a second or 2, but then went black again. It wouldn't come back, so I had to hold down the power button. When it restarted, everything was normal, except that now the fan is going fast and loud, and my computer is getting hot with only firefox open to macrumors.
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Jan 25, 2010
i just got my computer back from bestbuy, they replaced the hard drive so i need to customize my mac again.
the only issue i am having is with the keyboard back lights; they wont go on. I read apples help diy thing and followed the 2 or 3 directions they gave me and still no luck.
i know this problem is amazingly simple but i used a PC for the last 15 years so i'm overlooking something.
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Mar 17, 2012
the light on my 15" display has grown dimmer; is that something that is correctable?
Info:
MacBook Air, Mac OS X (10.7.2)
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May 12, 2012
After the system update why won't my keyboard backlight wont shut down.
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Jul 2, 2009
I just got one of the aluminum MB Pros and had to install Windows XP on it.
What I find annyoing is that I can't turn the keyboard backlight off: The F8-key (as suggested by Apple's support) nor the way it works under Mac OS (dimming completely by pushing F5, turinung it off with the next key press) do the trick for me.
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Feb 19, 2009
I own a MacBook Pro 5.1 (late 2008) and since a couple of hours my keyboard backlight suddenly turned off and I can't reactivate it anymore. When pressing the corresponding buttons which regulate the intensity of the backlight I get only the backlight icon on screen with a not available button attached to the lower corner. Is anyone familiar with this problem by chance? This happens under both OS X as well as Windows XP.
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Dec 1, 2010
I have a Macbook Pro (Newest gen.) and sometimes the keyboard backlight wont turn on. I suspect it to happen when I have had the Macbook on standby, but I don't know for sure if that is what does it.
Then i press the backlight-adjust buttons on the keyboard, this OSD-symbol turns up: http://peecee.dk/uploads/122010/Scre..._big_thumb.png
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Dec 8, 2010
The backlight on my MacBook went out suddenly today, no idea why. Is there some way to replace it without having to replace the entire display assembly? It is very difficult to get the assembly apart, but I will be on break from school and will have plenty of free time to fix it if it will save me a few hundred bucks. So is it possible to replace the backlight only, or is it a part of the lcd panel?
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