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You are not logged in. [Log In] AppleCentral » Forums » Mac » Hardware » G4 Will Not Boot From CD - Tricky
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#226256 - 10/14/05 05:17 AM Re: G4 Will Not Boot From CD - Tricky [Re: Reboot]
miller325 Offline
stranger

Registered: 10/05/05
Posts: 12
I was able to plug my Apple monitor into a Powerbook today using an Apple DVI to ADC converter. Before doing this I had checked the Powerbook in open firmware and there were no error messages. <br><br>When I connected my monitor I was able to boot into OS 9, no gray screen. But upon checking open firmware I saw the same "USB Setup Error 8200, 8204" messages.<br><br>So, my monitor is generating the USB setup error massages, but the Powerbook was still able to boot to OS 9.2.2, the same OS 9 that is on my computer.<br><br>Maybe the Powerbook was somehow able to make it through the boot process and not get the gray screen while my G4 could not.<br><br>Thanks,<br>Philip<br><br>

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#226257 - 10/14/05 01:34 PM Re: G4 Will Not Boot From CD - Tricky [Re: miller325]
Reboot Offline

Muhahahaha

Registered: 04/22/02
Posts: 15046
Loc: Columbus OH
Yep, looks like the USB on the monitor is not right. Why it causes the other machine to go to grey screen but not the PB I don't know though. Maybe over time it would do the same on the PB.<br><br>Too bad about the monitor but glad it's not the computer itself.<br><br>My last thought on it. Is it normal for the monitor to do that, the USB error, or is it really bad. The only way to tell would be to try another machine and the same kind of monitor in Open Firmware.<br><br>
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#226258 - 10/14/05 01:56 PM Re: G4 Will Not Boot From CD - Tricky [Re: miller325]
Reboot Offline

Muhahahaha

Registered: 04/22/02
Posts: 15046
Loc: Columbus OH
Here's a link to Apple Discussions on a number of people with a variety of problems with their USB ports. It appears there is a USB board inside the monitor that can be replaced. If the link doesn't work, they tend to time out, go to Apple Discussions and dig down through Apple Displays > Displays Forums > Apple Studio Display 17" LCD > look for USB error in the Studio forum<br><br>http://discussions.info.apple.com/webx?128@68.HCWMaiYJUp6.5@.4aaa737b<br><br>
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#226259 - 10/15/05 07:48 PM Re: G4 Will Not Boot From CD - Tricky [Re: Reboot]
miller325 Offline
stranger

Registered: 10/05/05
Posts: 12
Thanks for the links to the Apple discussions. It looks like the USB connectors on the Apple Studio Display have been problematic although no one has experienced my gray screen problem. The USB jacks on my monitor have always worked fine in OSX and also in OS 9 before I got the gray screen. I don't think I will every get to the bottom of this problem unless I have access to a second Apple Studio Display and a second video card with and ADC jack. Thanks for all of the help.<br><br>Philip<br><br>

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#226260 - 12/10/05 05:54 PM Re: G4 Will Not Boot From CD - Tricky [Re: miller325]
lukpac Offline
stranger

Registered: 12/10/05
Posts: 3
miller325, re:<br><blockquote><font size=1>In reply to:</font><hr><p>I booted into open firmware and got these two messages repeated over and over:<br><br>USB Setup Error: 5c000000 8200<br>USB Setup Error: 5c000000 8206<br><br>Followed by:<br><br>1 4 6 failed to respond.<p><hr></blockquote><p><br>Same problem here (QS 733, 17" Studio Display) - those error messages in OF, and just a gray screen on boot. Previously leaving the monitor unplugged when the computer was off seemed to help, but I've had it unplugged for a few days now and it's still not working. VGA monitors work fine.<br><br>Has there been any type of resolution from Apple on this issue? It looks like you posted to the Apple board on 10/15 about this issue, and there's no response there either.<br><br>When it wants to boot it works fine, but it's a bit of a problem when I can't even boot up most of the time.<br><br>

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#226261 - 12/10/05 07:12 PM Re: G4 Will Not Boot From CD - Tricky [Re: lukpac]
miller325 Offline
stranger

Registered: 10/05/05
Posts: 12
Your problem sound very similar to mine. Yes, I finally solved my problem. It was being caused by the two USB ports on the back of the Apple 17" Studio Display. When I plugged a VGA monitor into my G4 933 I had no problems booting. I also did not get the USB error messages in OF. Like you, when the Studio Display was connected occasionally everything was OK, but it kept getting worse until I always got the gray screen.<br><br>I passed on the first two solutions: getting a new/used monitor just like mine on ebay for around 300.00 or getting my monitor repaired. I would have tried to replace the USB ports myself but I could not locate replacement part.<br><br>Then someone on one of the forums came up with the idea of filtering the USB stream out between the monitor and the G4 by using a combination of an Apple DVI to ADC converter (a box Apple built to allow Studio Displays like ours with ADC connections to connect to a laptop's DVI jack) and a Doctor Bott's DVI to ADC cable (around 35.00). I might not have tired this but I already owned an Apple DVI to ADC converter box. <br><br>So I called the Dr. Bott tech and ran it by him. He didn't think it would work . He thought the video would be degraded too much. But he offered to sell me one and let me return it if it didn't work.<br><br>I gave it a try and it worked perfectly. As far as I can tell my video is as sharp as it ever was.<br><br>Once I made this connection and filtered the USB stream out between the G4 and the Studio Monitor I no longer got any USB Setup Errors in OF.<br><br>And, since that time I have been able to boot without getting a gray screen.<br><br>So the connection is: The ADC plug coming out of my Studio Display plugs into the ADC port/jack on the Apple converter box. The DVI plug coming out of the Apple box plugs into the DVI jack on the Dr. Bott cable. The ADC plug on the other end of this cable plugs into the G4's ADC connection.<br><br>I do not plug in the separate USB cable coming out of the Apple box. If I do I again get USB setup errors and a gray screen.<br><br>Power for the Studio Monitor is provided by the Apple box, which plugs into a power outlet. Also, I lose the use of the USB ports on the back of the monitor. This was not a big deal for me.<br><br>It's sounds very roundabout but it works. Had I not already owned the Apple box I problaby would have tried one of the first two solutions.<br><br>I thought about getting a new monitor but it would need to be connected to the VGA port on my G4 which would have degraded the quality. Dr. Bott makes a box which allows you to plug a DVI plug from a monitor into the ADC port on the G4 video card but it is around 300.00.<br><br>The best solution would have been to locate the little replacement card with the USB ports for the Apple monitor, but I couldn't.<br><br>If you're able to locate this part please let me know. I would attempt the repair.<br><br>Hope this helps.<br><br>Philip<br><br>

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#226262 - 12/10/05 07:20 PM Re: G4 Will Not Boot From CD - Tricky [Re: miller325]
miller325 Offline
stranger

Registered: 10/05/05
Posts: 12
I should have added that simply not using the ports on the back of the Apple monitor doesn't solve the problem. The USB setup errors occur during the boot process when these ports are examined (if you're problem is the same as mine).<br><br>If you check the Apple monitor forums you will see that the USB ports on Apple monitors are notoriously flaky and cause quite a few very strange problems.<br><br>Philip<br><br>

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#226263 - 12/11/05 10:13 PM Re: G4 Will Not Boot From CD - Tricky [Re: miller325]
lukpac Offline
stranger

Registered: 12/10/05
Posts: 3
Thanks for the tip. I was thinking along the same lines (actually ADC -> VGA, but the same idea), but unfortunately for the cost of all of the adaptors I'd rather just get a new monitor.<br><br>I wonder what the deal is with the USB electronics. And why it can prevent the machine from booting.<br><br>

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#226264 - 11/23/06 07:47 PM Re: G4 Will Not Boot From CD - Tricky [Re: lukpac]
Spudboy Offline
stranger

Registered: 11/23/06
Posts: 1
AHA! I went through this same situation yesterday... a client of mine with a Quicksilver G4 and a 17" Apple LCD. System will not boot into OS 9.2.2, just sits there with a grey screen. Checked the battery, it's fine at 3.70 volts. So, I popped in a Norton 7.0 and that CD booted fine; did a diagnostic on the HD and all is well. Yet it still won't boot. Did a five-chime PRAM reset. Did the Open Firmware reset. Reset the little switch on the mobo. Fine, let's pop in the original 9.2.2 install CD and install a fresh OS 9. Hold down the C key, start... get nothing but the grey screen. Then I say, well, let's boot the Norton disk and see if it'll boot OSX (I'm starting to think there's something wrong with the HD)... and whaddaya know, OS 10.3.9 boots fine, and the Classic mode works perfectly too. Hmmmmmmmmm... not having a good day here. So I try disconnecting the HD, power and data, and still the CD won't boot, either with the "C" key depressed, or with Command-Option-Shift-Delete, or even if I set it as the startup disk via the OSX System Prefs. So I'm at my wits end and naturally Apple's support has never heard of this... anyway I'll check the monitor angle. Probably I'll just yank the USB ports out of the dang thing. Thanks a 1,048,576.<br><br>

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#226265 - 11/26/06 07:14 AM Re: G4 Will Not Boot From CD - Tricky [Re: Spudboy]
Napier Offline
stranger

Registered: 11/26/06
Posts: 1
This worked for me<br><br>My quicksilver 733 (2002 education model) with a gig of ram and a 17" cinema display stopped letting me boot into 9.2.2 (the cursed grey screen) about 8 months ago, a couple of weeks after upgrading to Tiger and a week or so before the original 40 gig hard drive crashed. It also would'nt open the display preferences with the touch button on the bottom left of the display or let me adjust brightness in the display preferences. I figured it must be the hard drive going bad.<br>So I got a new 250 gig hard drive, at the time I wasn't impressed with Tiger so I did a fresh install of Panther with updates, leaving a 20 gig partition for 9.2.2. Tried to install 9.2.2, but got the grey screen trying to start from the 9.2.2 cd that came with my computer.<br>So I started up with the hardware test cd, then my diskwarrior cd which would start into 9.2.2, and neither one found anything wrong. Searched the internet, read the 17" display forum on apple's site, found out about the usb problem. Booting into open firmware or checking in the console gave me the repeating usb error something or another and figured I'd just live with it, updated to Tiger, but kept searching for a fix.<br><br>Anyway after months of trying, for some reason this is what worked.<br><br>A couple of weeks ago I put my original 9.2.2 cd in, copied the system folder and applications folder from the cd to the 20 gig partition, went to startup disk preferences in 10.4.8 and the 9.2.2 folder was there, I selected it and restarted to the message it couldn't start with a system folder copied from a cd, or something like that (at least it wasn't the grey screen). So I booted back into Tiger and went to the Classic Preferences in System Preferences to see what it thought about the 9.2.2 system folder that I put on the 20 gig partition. It was there, I selected it, hit restart, told me it had to update things for for the classic enviroment, let it update and then tried to start the classic enviroment, only to get the same message about a copied system folder. For the hell of it, since the 9.2.2 was in, I restarted holding the c key down and it started from the cd. Installed 9.2.2, restarted, did all the software updates, and my computer is starting and running Mac OS 9.2.2 fine ever since.<br>Don't know why it worked but it did, give it a try. If it works for you spread it around, because from what I've read there's alot of people out there with the same problem.<br><br>Hope this helps,<br>Napier<br><br>ps<br>A browser that works great in Mac OS 8.6 to 9.2.2<br>http://www.wiwi.uni-frankfurt.de/wamcom/20030723/wamcom-131-macos9-20030723.sit<br><br><br><br>

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