thanks a lot & apologize my english again nar on 4/11/05 01:21 am, Dylan McDermond at [EMAIL PROTECTED] wrote:
> > On Nov 3, 2005, at 7:23 PM, narvis wrote: > >> ok >> what can i do? >> push the bottom one time or what? >> thanks dylan >> nar > > From the Service Manual: > > Resetting the PMU on the Logic Board > > Resetting the PMU (Power Management Unit) on the logic board > can resolve many system problems. Whenever you have a unit that > fails to power up, you should follow this procedure before > replacing any modules. > > 1. Disconnect the power cord and check the battery in the bat- > tery holder (BT1). The battery should read 3.3 to 3.7 volts. > If the battery is bad, replace the battery, wait ten seconds, > and then reset the PMU (refer to the next step). If the bat- > tery is good, go to the next step. > > 2. Press the PMU reset switch (S1) once on the logic board and > then proceed to step 3. Do NOT press the PMU reset switch a > second time because it could crash the PMU chip. > > 3. WAIT ten seconds before connecting the power cord and pow- > ering the computer on. If the computer powers on, go to the > next step. If the computer does not power on, there is some- > thing else wrong with the computer, refer to the symptom/ > cure chart, ³No Power² in this chapter. > > <snip> > > Note: This entire procedure resets the computer¹s PRAM. Be sure > to reset the computer¹s time, date and other system parameter > settings before returning the computer to the customer. > > -Dylan -- The iMac List is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | - Epson Stylus Color 580 Printers - new at $69 | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> iMac List info: <http://lowendmac.com/imac/list.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[email protected]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/imac-list%40mail.maclaunch.com/> --------------------------------------------------------------- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---------------------------------------------------------------
