Apple emac ati usb2 2005 Service Manual
eMac ATI Graphics /USB 2.0/2005 Troubleshooting -
19
General Information
Testing the Battery
If the computer has a “No Power” situation, check the battery before replacing modules. A drained
battery may be indicative of a crashed Power Management Unit.
battery may be indicative of a crashed Power Management Unit.
With the battery in the battery holder (under load), measure the voltage across the battery’s
positive and ground terminals.
positive and ground terminals.
Does the battery measure at least +3.5v? If not, replace the battery and reset the PMU. If the
battery does measure over +3.5v, reinstall the battery and reset the PMU as above
battery does measure over +3.5v, reinstall the battery and reset the PMU as above
Connect the power cord and power up the system again.