Memory Check; Power System Check; Check The Power Adaptor - Acer Ferrari 1000 Service Manual

External keyboard
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If any of these devices do not function, reconnect the cable and repeat the anterior procedures.

Memory Check

Follow the procedures below to correct the memory errors.
Boot from the diagnostic diskette and start the diagnostic programs.
1.
Go to the diagnostic memory in the test items.
2.
Press F2 in the test items.
3.
Follow the instructions in the message window.
4.
Make sure that the DIMM is correctly inserted into the connector. A wrong connection will
NOTE:
cause errors.

Power System Check

To verify the symptoms, power on the computer by using the following power sources separately.
Remove the battery pack.
1.
Connect the power adaptor and check the power supply.
2.
Disconnect the power adaptor and install the battery pack, then check the power supply.
3.
If you think there is a power supply problem, please go to Check the Power Adaptor and
Check the Battery Pack in this chapter.

Check the Power Adaptor

Unplug the power adaptor cable from the computer and measure the output voltage at the plug
of the power adaptor cable. See the illustration and follow the procedures below.
If the voltage is not correct, replace the power adaptor.
1.
If the voltage is within the range:
2.
Replace the system board.
(1)
If the problem is still not resolved, see Undetermined Problems.
(2)
If the voltage is not correct, go to the next step.
(3)
An audible noise from the power adaptor does not always indicate a defect.
NOTE:
If the power-on indicator does not light up, check the power cord of the power adaptor for continuity
3.
and correct installation.
If the operational charge does not work, see Check the Battery Pack.
4.
Chapter 4
pin 1: +19V to +20.5V
pin 2: 0V, ground
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