CDROM Drive

Before you begin, remove the drive bezel. Caution You can access and remove the CD-ROM drive merely by removing the drive bezel at the front of the machine. Although upgrading the CD-ROM drive is now extremely easy, do not neglect to follow proper ESD precautions Use a grounded workbench pad and always wear a grounding wriststrap. 1 Using a screwdriver, push up the latch and slide out the CD-ROM drive. Note Perform the following steps only if you are replacing the CD-ROM drive. 2 Remove the...

Logic Board

Before you begin, remove the I O door. Caution You can access and remove the logic board merely by removing the I O door at the rear of the machine. Although upgrading the logic board is now extremely easy, do not neglect to follow proper ESD precautions Use a grounded workbench pad, and always wear a grounding wriststrap. Note If you are replacing a logic board that has one SIMM slot, replace it with P N 661-01 58. If you are replacing a logic board that has two SIMM slots, replace it with P N...

Battery Verification

Before you begin, remove Battery the following Caution Review the ESD precautions in Bulletins Safety. 1 Set the voltmeter to the 10 volts DC scale. 2 Hold the positive probe of the voltmeter to the positive end of the battery and the negative probe to the negative end of the battery. 3 If the battery voltage is below 3.0 volts, replace the battery. Refer to Battery Replacement in this chapter.

Chassis Harness Assembly

Remove the CD-ROM drive if installed Remove the I O door if security screws are installed Awarning This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins Safety. Awarning Never use a grounding wriststrap until after discharging the CRT. Caution Place the unit face down on a clean, soft surface. This will prevent stress on the front bezel, which could cause the bezel to crack. Note A chassis guide and a plastic tab secure...

White Balance

Note Perform the white balance adjustments after the monitor has been on for at least 10 minutes and the cutoff adjustments have been performed. 1 Run Display Service Utility to display the Gray Bars test pattern. 2 Using a hex-head plastic adjustment tool, set the SC sub-contrast control to its approximate midpoint. Press and hold the lower half of the brightness button until the screen brightness is set to minimum. Note This step causes the screen to darken or turn completely black. As you...

Peripheral Continued

When an internal and external SCSI device are present, only one powers up Verify that SCSI device ID switch setting on external device is higher than 0. Verify that ID switch setting on external SCSI device does not duplicate ID switch settings on other Replace terminator on external SCSI device. Troubleshooting Symptom Charts Global Village Modem Busy Serial Port - 22 Global Village Modem Busy Serial Port Using modem gives message Can t find or can t access a modem to use for registration....