Acer Aspire 5750 Service Guide - Page 157
Intermittent Problems, Undetermined Problems - driver
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10. Run the Event Viewer to check the events log for errors. For more information refer to Windows Help and Support. 11. Roll back the mouse driver to the previous version if updated recently. 12. Remove and reinstall the mouse driver. 13. Check the Device Manager to determine that: The device is properly installed. There are no red Xs or yellow exclamation marks There are no device conflicts No hardware is listed under Other Devices 14. If the Issue is still not resolved, refer to Online Support Information. Intermittent Problems 0 Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, perform the following: 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. If no error is detected, do not replace any FRU. 3. If an error is detected, replace the FRU. Rerun the test to verify that there are no more errors. Undetermined Problems 0 The 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. NOTE: NOTE: Verify that all attached devices are supported by the computer. NOTE: NOTE: Verify that the power supply being used at the time of the failure is operating correctly. (refer to Power On Issues). Perform the following procedures to isolate the failing FRU: 1. Remove power from the computer. 2. Visually check FRUs 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 Cards 4. Apply power to the computer. http://Tmroyucbloesmhopo.tsinug 4м-2а3