IBook internal LCD detected as VGA

The internal screen of my iBook is no longer recognized as a Color LCD screen, but rather as a VGA screen.
When I boot, I no longer see the grey screen with the apple and the swirl. When I boot with an external monitor attached, I see this boot logo on the external monitor only. The same is true when I boot into the Hardware Test (which gives no errors BTW), or any other software before the MAC OS X start (e.g. Open Firmware): nothing on the internal LCD.
In System Information, and System Preferences -> Displays, the internal screen is detected as "VGA", not as "Color LCD" as it should. When I connect an external monitor, the Information gives me 2 VGA screens.
I have tried pressing "Detect Displays", resetting NVRAM, PRAM and PMU. Nothing helps.
It is hard to believe that there is a hardware problem, because once MAC OS X has booted, I can use the internal LCD (although as a VGA screen, and I have the impression the quality is worse than it was before).
Any help is really appreciated.
iBook G4 Mac OS X (10.4.8)

This weekend I finally got around to a complete re-install of my iBook to find out whether the problem is software related or not.
This is what I did:
1. Boot from install CD and remove all partitions from my disk. I now had a completely blank iBook with all software ran at boot contained in ROM.
2. Reset PMU
3. Reset NVRAM, PRAM using the keyboard
4. Boot the machine. For this I had an external screen attached as my built-in screen doesn't work from Open Firmware.
5. I got a folder with a concerned face on the external screen, nothing on the built-in screen. I now knew that the problem could not be resolved in SW.
6. I booted into open Firmware using the O+F key conbination
7. I reset NVRAM from the Open Firmware command line and rebooted (reset-all)
8. Problem remained
9. After that I started playing around in Open Firmware and saw that my screen was in its device list as built-in. Any command I gave to the screen however (eg blink-screen) was shown on the external screen.
10. I gave up and went through a rather painful data recovery process.
Conclusion: Something seems to be wrong in ROM? I am sure however that my ROM was never flashed. I have made no progress.
iBook G4 Mac OS X (10.4.8)
iBook G4 Mac OS X (10.4.8)

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Internal LCD detected as VGA

The internal screen of my Powerbook g4 is no longer recognized as a Color LCD (1440x900) screen, but rather as a VGA screen (800x600). If I reboot enough times it'll eventually be recognized correctly but that may take anywhere from 1 - 100+ reboots to fix the problem. Crazy inconsistency and crazy frustrating.
From a few years back I quote this user who had the same problem (although no answer seemed to be posted)
"This weekend I finally got around to a complete re-install of my iBook to find out whether the problem is software related or not.
This is what I did:
1. Boot from install CD and remove all partitions from my disk. I now had a completely blank iBook with all software ran at boot contained in ROM.
2. Reset PMU
3. Reset NVRAM, PRAM using the keyboard
4. Boot the machine. For this I had an external screen attached as my built-in screen doesn't work from Open Firmware.
5. I got a folder with a concerned face on the external screen, nothing on the built-in screen. I now knew that the problem could not be resolved in SW.
6. I booted into open Firmware using the O+F key conbination
7. I reset NVRAM from the Open Firmware command line and rebooted (reset-all)
8. Problem remained
9. After that I started playing around in Open Firmware and saw that my screen was in its device list as built-in. Any command I gave to the screen however (eg blink-screen) was shown on the external screen.
10. I gave up and went through a rather painful data recovery process.
Conclusion: Something seems to be wrong in ROM? I am sure however that my ROM was never flashed. I have made no progress."
This problem seems to have been shared by a number of people in older posts - does anyone have a clue as to what is up?
Thank you.

This weekend I finally got around to a complete re-install of my iBook to find out whether the problem is software related or not.
This is what I did:
1. Boot from install CD and remove all partitions from my disk. I now had a completely blank iBook with all software ran at boot contained in ROM.
2. Reset PMU
3. Reset NVRAM, PRAM using the keyboard
4. Boot the machine. For this I had an external screen attached as my built-in screen doesn't work from Open Firmware.
5. I got a folder with a concerned face on the external screen, nothing on the built-in screen. I now knew that the problem could not be resolved in SW.
6. I booted into open Firmware using the O+F key conbination
7. I reset NVRAM from the Open Firmware command line and rebooted (reset-all)
8. Problem remained
9. After that I started playing around in Open Firmware and saw that my screen was in its device list as built-in. Any command I gave to the screen however (eg blink-screen) was shown on the external screen.
10. I gave up and went through a rather painful data recovery process.
Conclusion: Something seems to be wrong in ROM? I am sure however that my ROM was never flashed. I have made no progress.
iBook G4 Mac OS X (10.4.8)
iBook G4 Mac OS X (10.4.8)

Pavilion dv7-4285dx: cannot BOOT/POST to external VGA and internal LCD is dead (cracked)

I have cracked the screen of my HP Pavilion dv7-4285dx so badly that I cannot read anything on it. I am trying to boot to an external monitor on VGA port, but never get a signal.
I have tried the monitor switching key, but that doesn't do anything. I have tried disconnecting the internal LCD from the motherboard - no different. I have tried a CMOS reset by removing the laptop battery, removing CMOS battery, disconnecting power supply and holding power button down for >1 minute, then restarting with just external LCD attached, but STILL no video on VGA port.
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Although it's good that I can use the ext. monitor once Windows boots, I need to have video at boot time to make changes to BIOS.
Does anyone have another suggestion of how I can get the BIOS to detect and display to external VGA at boot time?

Hello Todd_in_LA,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how you are attempting to boot to an external monitor, and I would be happy to guide you towards a resolution!
Based on the information provided in your post, I recommend contacting our technical support at 1-800-474-6836. If you live outside the US/Canada Region please click the link below to get the support number for your region.
http://www.hp.com/cgi-bin/hpsupport/index.pl
I hope this helps!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

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I need some help with my new eksternal HD (Iomega 120 GB firewire/usb) , since when connected to the ibook nothing happens except the HD seems to charge?
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In Denmark it´s after midnight so I will hit the sack, but will dreaming of a good answer so I can use my sweet new HD.
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Wonder if anyone can help...I am trying to connect my iBook G3 to my Phillips LCD TV. My problem is the cable. I am using the supplied DVI to VGA connector, however my TV has the same VGA connection on it. In other words two females and it therefore will not connect together.
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Hi, Severian. I gather that you are trying to determine 1) whether or not the video circuitry on your logic board is generating usable display data, and 2) if it is, where that data is disappearing: at the connection between the video data cable and the logic board; somewhere in the cable; or in the display itself.
Step one is to verify that the video signal from the video processor is usable for display purposes. Since the Video Out port is also soldered to the logic board, there is no place save in the LB itself for that signal to go missing between the video processor and the port. Therefore, connecting a known-good external display to the port with a known-good cable will quickly tell you whether there's a usable video signal being generated. I gather that you've done that test and verified that your on-board video circuitry is working.
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I should also point out that my sleep switch is bad on the laptop so that is why I'm so determined to get the internal video to work.
Sorry, but I don't follow. What is the relationship?
As it stands right now, the login in screen is being diplayed on the laptop screen so I can't even login in to change the video over.
My understanding was that you had nothing but gray on the built-in display. Please clarify.

IBook thinks LCD is a Television

We have an old iBook that we use for presentations with a projector, and it recently stopped being able to send signal to the projector. If we boot the iBook with the projector attached, the initial grey screen with the Apple logo appears. When it switches to the blue background, the projector says "no signal." In the Displays preferences, the main display is called "Television" and it gives choices of different resolutions and MHz. (It should be "Color LCD" and without the MHz values.) The projector does not show up as a display.
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Although I was very skeptical, doing this fixed it...temporarily. After resetting the PRAM, the Displays preference pane came up as Color LCD. I put it to sleep, plugged in the projector, woke it, and that worked too. After telling everyone that it was fixed, I put it to sleep, disconnected the projector, woke it up, and then it had gone back to thinking it was a Television display. It still didn't detect the LCD correctly after restarting it. I was going to reset the PRAM again, but missed the start-up chime. (Another weirdness of this iBook is that the Start-up chime doesn't sound through the external speakers, only throught the head phone jack...at least some times.) After it booted the second time, miraculously, it again detected the LCD.
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IBook with LCD displays

Hi,
For quite sometime now I am thinking of moving on to a bigger display with my iBook. One thing I am sure is, iBook won't work with Apple's cinema display.
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http://naan.uva.ne.jp/archives/P1050169.jpg
iBook G4 Mac OS X (10.4.5) 1 GB RAM, Super Drive
iBook G4 Mac OS X (10.4.5) 1 GB RAM, Super Drive

Thanks for the information. I heard about this "hac", but I wasn't sure that this would solve my problem. OK, thats nice. But somebody mentioned somewhere in some forum that this software voids the warranty on my iBook. Is this correct?? I asked literally to apple "Is there any way to solve my problem?" and they said NO.
Just wondering if this would do more harm to me than good - in long run.
iBook G4 Mac OS X (10.4.5) 1 GB RAM, Super Drive

IBook internal LCD detected as VGA

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