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Author Topic: HELP...Black Screen  (Read 1659 times)

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Offline weGuruTopic starter

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HELP...Black Screen
« on: February 19, 2008, 06:02:13 PM »
This is my Hardware.

Amiga1200 in PowerTower
Winner ZIV Busboard
Piccolo Graphics Card
Repulse Sound Card
xsurf card
Apollo 1240@50mhz

When i boot up my amiga i only get a black screen.

this happened before i got my Zorro Cards...Anybody now whats going on with my migga?
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Offline arkpandora

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Re: HELP...Black Screen
« Reply #1 on: February 19, 2008, 06:13:11 PM »
Quote

this happened before i got my Zorro Cards...


Then why do you mention your Zorro cards (assuming the cards you mention are Zorro cards) ?
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Offline tokyoracer

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Re: HELP...Black Screen
« Reply #2 on: February 19, 2008, 06:48:46 PM »
Could be the Apollo, have you tried removing it and then powering it up?
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Offline Homer

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Re: HELP...Black Screen
« Reply #3 on: February 19, 2008, 06:56:11 PM »
Not enough info I'm afraid. I guess your best bet is to remove all the add on boards and see if it works then. After that its general fault finding such as psu voltages etc.
Do you know when it stopped working and what it was doing at the time ?
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Offline giturox

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Re: HELP...Black Screen
« Reply #4 on: February 19, 2008, 07:49:50 PM »
If the power led goes on then this means that your CPU is running.
But i agree with the others remove everything except the barebone A1200 and try again. The plug in the stuff one at a time and find the point of failure. This also include your harddrives!

If the problem persist, check if the monitor is even working. I have once tried that a shorted monitor cable fried my graphics card (on a PC (but the problem is same for the Amiga)).

Finally check the power supply.

If all this fails, then you *may* have a defective motherboard. Then only three choices persists: change the motherboard (a1200), find someone who can repair it or spend a few weeks not finding the problem (i have done that with an A4000).

Best of luck
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Offline rkauer

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Re: HELP...Black Screen
« Reply #5 on: February 19, 2008, 09:22:13 PM »
 Just a (maybe) silly question: your 1200 lits the HD activity led?

 If so, that's a simple revalidation. Depending on what is the size of the partition not validated, the Amiga will boot in 30 minutes to up two entire days(!).
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Offline weGuruTopic starter

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Re: HELP...Black Screen
« Reply #6 on: February 23, 2008, 03:42:32 PM »
SOLVED:
Mainboard did work....So changed the mainboard and everything works
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Offline adonay

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Re: HELP...Black Screen
« Reply #7 on: February 23, 2008, 04:22:40 PM »
Quote

weGuru wrote:
SOLVED:
Mainboard did work....So changed the mainboard and everything works



I am comfused why change motherboard if it did work  :lol:  :roll:  :crazy:  :-P
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A1200 ACA 1230
 

Offline CLS2086

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Re: HELP...Black Screen
« Reply #8 on: February 23, 2008, 07:38:32 PM »
Take good care of your machine now !  ;-)
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Keep the Faith !
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I also repair drives of our old beloved Amiga
 

Offline weGuruTopic starter

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Re: HELP...Black Screen
« Reply #9 on: February 23, 2008, 08:12:18 PM »
Bad typo....The Mainboard was toast.....So thank good for my hugef pile of 1200 mainboards
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