Re: iMac (Flat Panel) not recognizing any drives

2018-04-10 Thread 'Juergen Grieb' via iMac Group 
I removed the ssd from the iMac, put it in an external usb case and testet 
it on another Mac. The drive is still ok. When I connect the external case 
to the iMac and fire up the boot manager, still no disk shown there.


It could be the IDE controller is wonky.  I had that happen in an iBook. 
>  Do you have a Firewire or USB drive you can boot from.
>
>
> Clark Martin
> A designated driver on the information Super Highway
>
>

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Re: iMac (Flat Panel) not recognizing any drives

2018-04-10 Thread 'Juergen Grieb' via iMac Group 
There is no coin battery on the main board. Only the "standard" 3.6 V one, 
replaced that, but no change.

Do I have to remove anything from the mainboard to find the coin battery? 
MacTracker also only lists the 3.6 V battery.

Check to see if it has a CK2032(Silver coin battery) Battery on the 
> Motherboard. Replace with a NEW-FRESH battery. Reset pram (battery may be 
> near it) then see if it will start from CD system disk.
>
>

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Re: iMac (Flat Panel) not recognizing any drives

2018-04-10 Thread 'sasse' via iMac Group 
Check to see if it has a CK2032(Silver coin battery) Battery on the 
Motherboard. Replace with a NEW-FRESH battery. Reset pram (battery may be near 
it) then see if it will start from CD system disk.

Sent from Yahoo Mail on Android 
 
  On Mon, Apr 9, 2018 at 21:42, Clark Martin wrote:   It could 
be the IDE controller is wonky.  I had that happen in an iBook.  Do you have a 
Firewire or USB drive you can boot from.

Clark MartinA designated driver on the information Super Highway

On Apr 9, 2018, at 4:38 AM, 'Juergen Grieb' via iMac Group 
 wrote:
I have an iMac (Flat Panel) from 2002 (aka The Lamp). Bought it some years ago 
and replaced the hard disk with an SSD. It was working fine the last time I 
used it. But I haven't been using it from quite some time. Last boot up was 2-3 
years ago.
When I try to boot it now, it just won't. I get a gray screen.
Pressing option gets me to the boot manager. There are no drives shown there. 
Inserting a macOS installer disc changes nothing.
Reset PRAM, no luck. Can boot into open firmware. But booting from there 
results also in the gray screen.
Then I thought it might be the drives or their connection. I removed them from 
the iMac and connected then (with the iMac cable) to another computer and they 
work fine there.
Anyone any idea why the iMac stopped recognizing any drive? Are there parts in 
the the iMac that can go bad (no battery leakage) over the years and need 
replacing?



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Re: iMac (Flat Panel) not recognizing any drives

2018-04-09 Thread Clark Martin 
It could be the IDE controller is wonky.  I had that happen in an iBook.  Do 
you have a Firewire or USB drive you can boot from.


Clark Martin
A designated driver on the information Super Highway

> On Apr 9, 2018, at 4:38 AM, 'Juergen Grieb' via iMac Group 
>  wrote:
> 
> I have an iMac (Flat Panel) from 2002 (aka The Lamp). Bought it some years 
> ago and replaced the hard disk with an SSD. It was working fine the last time 
> I used it. But I haven't been using it from quite some time. Last boot up was 
> 2-3 years ago.
> 
> When I try to boot it now, it just won't. I get a gray screen.
> 
> Pressing option gets me to the boot manager. There are no drives shown there. 
> Inserting a macOS installer disc changes nothing.
> 
> Reset PRAM, no luck. Can boot into open firmware. But booting from there 
> results also in the gray screen.
> 
> Then I thought it might be the drives or their connection. I removed them 
> from the iMac and connected then (with the iMac cable) to another computer 
> and they work fine there.
> 
> Anyone any idea why the iMac stopped recognizing any drive? Are there parts 
> in the the iMac that can go bad (no battery leakage) over the years and need 
> replacing?

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