Acer Extensa 5630 Service Manual

Also see for Extensa 5630 Series: User guide Quick guide User guide User guide Service guide

Contents

Acer Extensa 5630 Service Manual Manual pdf 132 page image

122 Chapter 4Undetermined ProblemsThe diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect,whether a short circuit is suspected, or whether the system is inoperative.Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).NOTE: Verify that all attached devices are supported by the computer.NOTE: Verify that the power supply being used at the time of the failure is operating correctly. (See “PowerSystem Check” on page 105.):1. Power-off the computer.2. Visually check them for damage. If any problems are found, replace the FRU.3. Remove or disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive DIMM CD-ROM/Diskette drive Module PC Cards4. Power-on the computer.5. Determine if the problem has changed.6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.7. If the problem remains, replace the following FRU one at a time. Do not replace a non-defective FRU: System board LCD assembly