How to Troubleshoot a LifeBook U810

Hardware and software problems can render the Fujitsu LifeBook U810 inoperative. Reverting hardware and OS settings, checking for device errors and scanning the notebook for virus infections are all suggested steps for troubleshooting the LifeBook U810. Built-in programs, like System Restore, can return the computer to a previous state, while applications like Device Manager and Event Viewer can alert you to hardware or software malfunctions. Utilizing these resources can enable you to return your notebook to a working condition.

Instructions

Hardware Problems

1. Plug the AC adapter into the DC power jack on the left side of the notebook. Plug the power cable into the adapter, then plug the cable into a wall.

2. Press the power button to turn on the Fujitsu LifeBook U810. Press "F2" on the Fujitsu logo screen to go the system setup program.

3. Press "F9." Press "Yes" at the prompt, then press "Enter" to restore the system setup options to the preset default values. Press "F10" to save and exit.

4. Press "F12" on the logo screen to open the boot menu. Select the hard disk drive (HDD) from the options, then press "Enter" to boot from the hard disk.

5. Boot in to Windows. Hold down "Fn," then press "D" to increase the brightness of the screen if the monitor is too dark.

6. Click "Start." Input "device" into the search box. Select "Device Manager" from the results. Click the ">" icon for all categories to see each device installed to the Fujitsu LifeBook.

7. Double-click a device if it has a yellow "!" or red "X" next to it to troubleshoot the LifeBook U810 component. Go to the Microsoft Support website to fix the device if an error code (such as "This Device Cannot Start (Code 10)") is displayed in the device properties.

Software Problems

1. Run an anti-virus scan on the computer. Follow the program's instructions to remove the infection from the PC if detected. If no infection is found, click "Start." Go to "All Programs," "Accessories" and then "System Tools." Click "System Restore."

2. Click "Recommended Restore" to undo the most recent hardware change. If you remember the specific date and time from when the computer last worked, click "Choose a Different Restore Point," then use the Date and Time field on the left as a guide to select a restore point from before the problem began to occur. Otherwise, use the recommended restore point.

3. Click "Next." Click "Finish." Click "Yes" to restore the computer to the selected date and time. Click "Close" when the restoration process is complete.

4. Click "Start," then input "administrative" into the search box if the problem continues to occur. Click "Administrative Tools." Double-click "Event Viewer."

5. Expand "Windows Logs," then click "Application." Browse through the list for a log with "Warning!" in the name. Double-click the event, then read the message in the General tab to see if the error relates to your problem. If so, look up the message on Microsoft Support to troubleshoot the Fujitsu LifeBook U810 software problem.

Tips & Warnings

• The Fujitsu LifeBook U810 displays an error message on the screen when booting if the notebook detects a hardware error. Check the Power on Self Test Messages section of the computer manual to find out how to resolve the problem if an error message appears.

References

• Fujitsu: User’s Guide — Learn How to Use Your Fujitsu LifeBook U810 Notebook
• Fujitsu: Fujitsu LifeBook U Series BIOS Guide LifeBook U Series Model U810

Resources

• Microsoft Support: Explanation of Error Codes Generated by Device Manager in Windows XP Professional
• Microsoft Support: How to Diagnose System Problems With Event Viewer in Microsoft Windows 2000