29 Jun
2012
29 Jun
'12
3:48 a.m.
Thanks!
George
george at rachors.com
On Jun 29, 2012, at 2:32 AM, John Many Jars wrote:
On Fri, Jun 29, 2012 at 10:11 AM, Mark Benson
<md.benson at gmail.com> wrote:
Hi,
This is a generic fixit for PowerPC Macs but always worth a try:
- Unplug the unit from the mains.
- Remove the NVRAM battery
- Leave to stand for *at least* 2-3 hours
- Power up
The issue is the NVRAM (referred to as PRAM on a Mac just to be
contrary) becomes corrupt as the battery runs down. If the machine has
been stood unused for a long time it may have this aforementioned
amnesia.
I have, however, heard a lot of sorry tales of PowerMac G5s suffering
all manner of weird problems with PSUs, leaking liquid coolers and
more. It's worth thoroughly checking the whole system over before
proceeding.
Check the PRAM battery is good, and replace if necessary.
Yes, at the Mac shop, this made 98% of dead Macs come alive.
Apple got sued at the time, because the solution in the manual was
"replace the main board" for hundreds of dollars, instead of, replace
the PRAM battery, for seven dollars.
--
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