Acer Extensa 650 Maintenance Manual

                                                                                           Troubleshooting Procedures    5-11  
¨Dialing problem or wrong number - Try dialing a number that you have 
previously dialed successfully.
¨Faulty phone line - Connect a telephone to the line and listen for a dial tone.
¨Software program - Check to ensure that you have installed the software 
correctly.
5.4 Fault Isolation Using Diagnostics
PC-Doctor, supplied with the Extensa Series Notebooks, is a powerful...

5-12   Troubleshooting Procedures
¨Utility that provides detailed system information such as configuration data, 
allocation and use of system memory, IRQ and DMA use, what device drivers 
are installed, what COM and LPT ports are assigned and what ports are 
available, partitioning data for fixed disk drive(s), VGA setup information, 
software interrupts and interrupt vectors, and installed SCSI options.
¨Group of special purpose utilities to run other tests from PC-Doctor, perform 
a virus scan of the...

                                                                                           Troubleshooting Procedures    5-13  
You can also use the mouse or Point to interact with PC-Doctor. The leftmost Select 
key is used to choose objects (menu entries and action codes typically enclosed in 
brackets). The rightmost Select key is equivalent to the Esc key which takes you back 
to your previous step.
5.4.4  Quitting PC-Doctor
To exit PC-Doctor, select the Quit pull down menu and then select the Quit...

   Field Service   6-1
6
Field Service
6.1 Introduction
This section contains general  preventive and corrective maintenance procedures that 
apply to all members of the Extensa 60x and 65x Series Notebook Computers. The first 
part of the section describes the computer cleaning procedures and preferred handling 
procedures for sensitive components (e.g. disk drives, batteries).
The second part of the section identifies all field-replaceable parts; the remainder of the 
section contains removal and...

6-2   Field Service 
6.2.2  Handling the Computer
The notebook computer requires reasonable care and handling for extended life. Some 
of the precautions to follow to protect your computer against accidental damage include:
¨Never pick up or carry the unit by the cover
¨Do not force the cover beyond its fully opened position (about 180 degrees)
¨Never subject the computer to harsh environments (dusty areas or areas of 
rapidly changing temperatures)
¨Never place anything on top of the computer,...

Field Service    6-3
6.2.4 Password Caution
The notebook computer can be password protected to prevent unauthorized use. 
However, if the password is lost, the notebook must be returned to the Texas 
Instruments manufacturing facility in Temple, Texas U.S.A. to restore access. This 
service is not covered by warranty.
6.3 Required Tools and Equipment
All Extensa 60x and 65x Series Notebook corrective maintenance procedures can be 
performed using the following tools:
¨Tweezers
¨Plastic Stick
¨Small...

6-4   Field Service 
cable connectors. The Extensa series uses two types of connectors including:
¨Locking-type connectors - use a plastic stick to unlock and lock these type 
of connectors as shown in Figure 6-1.
¨Non-locking connectors
Figure 6-1  Removing/Installing Cables with Locking-Type Connectors
6.5.1 Removing/Replacing the Notebook Battery Pack
Before performing any of the assembly/disassembly procedures, always disconnect the 
AC adapter from the notebook and remove the battery pack. The...

Field Service    6-5
compartment.
5.Insert the replacement battery  with THIS SIDE UP label facing upwards 
until it snaps in place and then close the battery compartment door (reverse 
of Steps 2 and 3.
Figure 6-2.  Battery Removal/Replacement 

6-6   Field Service 
6.5.2 Removing/Replacing PCMCIA Options
The procedure for removing and replacing the PCMCIA options is as follows:
1.Turn off the computer and remove the battery pack as described in Paragraph 
6.5.1.
2.Press the upper card eject button to eject the upper card, lower button 
controls the lower card and use both buttons for Type III devices.
3.To replace the PCMCIA device, remove any filler cards present and insert the 
device. Reinstall any external cabling required for the device....