Replaced battery, clock still runs slow

Thomas J. Farish wrote on :

All,

My iMac's clock was running 30-45 minutes slow overnight (when shut down), and the iMac was also balky about starting up, so I replaced the 3.6V back-up battery (not easy if you have normal or bigger than normal hands.)

The iMac now starts us without a hitch, but the clock still runs slow when shut down overnight.

Any ideas?

tjf

Cathy Stevenson replied on :

In article tjff-1103031355090001@redacted.invalid, Thomas J. Farish tjff@redacted.invalid wrote:

All,

My iMac's clock was running 30-45 minutes slow overnight (when shut down), and the iMac was also balky about starting up, so I replaced the 3.6V back-up battery (not easy if you have normal or bigger than normal hands.)

The iMac now starts us without a hitch, but the clock still runs slow when shut down overnight.

Any ideas?

You might try zapping the PRAM.

Cathy

Jackie replied on :

"Thomas J. Farish" wrote:

All,

My iMac's clock was running 30-45 minutes slow overnight (when shut down), and the iMac was also balky about starting up, so I replaced the 3.6V back-up battery (not easy if you have normal or bigger than normal hands.)

The iMac now starts us without a hitch, but the clock still runs slow when shut down overnight.

Any ideas?

tjf

-- Thomas J. Farish, ScD

Do you shut it off with a power strip at night?

Apple has an update that fixes some time and date problems on iMacs. It's called the iMac Power Management Update.

http://docs.info.apple.com/article.html?artnum=120048

Jackie