How to fix 'System CMOS checksum bad' error on Fujitsu Lifebook S751?
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Amy HendersonSep 9, 2025
If the error message 'System CMOS checksum bad - default configuration used' appears, switch the notebook off, then switch it on again. Press the function key F2 to access the BIOS Setup. In the BIOS Setup, select the Exit menu. Select the entry Load Setup Defaults. Select OK and press the Enter key.
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Andrew SchmidtAug 23, 2025
What to do if the external monitor remains blank with my Fujitsu Laptop?
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Brian BryantAug 23, 2025
If the external monitor remains blank, first, switch the external monitor on. If power saving is activated, press any key to continue. Adjust the brightness of the monitor if it is set too low. If the screen output is set to the notebook’s LCD screen, press the key combination to switch the screen output. Finally, switch off the external monitor and the notebook and check whether the power cable is plugged properly into the external monitor and into the power socket, and whether the data cable is properly connected to the notebook and the external monitor. Then, switch on the external monitor and the notebook.
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David CareyAug 25, 2025
What to do if Fujitsu Lifebook S751 Laptop LCD screen remains blank?
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Ronald CarpenterAug 25, 2025
If the notebook’s LCD screen remains blank, press a key or touch the touchpad. If an external monitor or television set is connected, press the key combination to switch the screen output.
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brownmichelleAug 26, 2025
Why does my Fujitsu Laptop keyboard type numerals instead of characters?
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Melissa RodriguezAug 27, 2025
If certain characters are entered on the keyboard and only numerals are written, the virtual numeric keypad of your device is activated. Press the Num key to deactivate it.
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Patricia HaleAug 27, 2025
How to resolve external monitor issues (blank or unstable image) on Fujitsu Lifebook S751 Laptop?
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Nicholas FischerAug 28, 2025
If the external monitor is blank or the image is unstable, terminate the application program in Windows by pressing Alt + F4. If the fault persists after closing the program, use the key combination for switching the screen output to switch over to the notebook’s LCD screen. Change the following setting: Set the screen resolution as described in the documentation for your operating system. Select monitor: Select monitor 1 or 2 as described in the documentation for your operating system.
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Patricia PowellAug 29, 2025
How to fix 'Keyboard error' on Fujitsu Lifebook S751?
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Steve GayAug 29, 2025
If you are using an external keyboard and the error message 'Keyboard error' appears, check the connection and reboot the notebook.
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Anne CarrSep 17, 2025
How to correct the date or time on a Fujitsu Laptop?
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James NelsonSep 18, 2025
If the notebook’s date or time is incorrect, you can set the date and time in the main menu with the BIOS-Setup-Utility. If the issue persists, please contact your sales outlet or our Hotline/Service Desk.
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Anthony RomeroSep 18, 2025
What to do if my Fujitsu Lifebook S751 Laptop says 'Operating system not found'?
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Jeffrey DaltonSep 18, 2025
If the error message 'Operating system not found' appears, check in the BIOS Setup whether your hard disk has been set correctly and make sure that the operating system is installed on the corresponding drive.
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Don WatkinsSep 7, 2025
Why the radio connection to a network does not work on my Fujitsu Lifebook S751 Laptop?
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Natalie KnappSep 7, 2025
If the radio connection to a network does not work, switch the radio component on. If the wireless component is enabled but the wireless connection to a network does not work, check whether the radio connection is switched on via the software.
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zmccartySep 4, 2025
How to fix Fujitsu Laptop when the printer does not print?
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Angela JacksonSep 4, 2025
If the printer does not print, make sure that the printer is switched on and ready for operation. Also, check that the data cable connecting the notebook to the printer is properly connected. Finally, check whether the correct printer driver is loaded.