eMachines D720 Series User Manual (English)

Questions and Answers:

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Erika BrownAug 14, 2025
What to do if my eMachines D720 Laptop won't turn on?
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  Patricia SanchezAug 14, 2025
  If your eMachines Laptop isn't powering on, first ensure the power cable is securely connected to both the laptop and the electrical outlet. Try removing any extension cables or surge protectors between the laptop and the outlet, and plug the laptop directly into a known good outlet. You can also try removing any external hardware that is not essential for the computer to boot to the failure point and any recently installed software. As well as, disable the power management settings in the BIOS to ensure they are not the cause of the problem.
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Christina MendozaAug 17, 2025
How to fix a no display issue on my eMachines D720?
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  Sabrina SmithAug 17, 2025
  If your eMachines Laptop screen is blank, ensure the laptop has power by checking if the fans start or the status LEDs light up. Make sure that the internal display is selected. Try connecting an external monitor and switch between displays by pressing Fn+F5. You can also try disconnecting power and all external devices, including docking stations, removing memory cards and CD/DVD discs, and then restarting the computer. Other solutions include draining stored power by removing the power cable and battery, holding the power button for 10 seconds, and reseating the memory modules.
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thoffmanAug 21, 2025
Why is my eMachines D720 video display abnormal?
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  brittanyrogersAug 21, 2025
  An abnormal video display on your eMachines Laptop can be due to several factors. First, adjust the brightness to its highest level and check that the display resolution is correctly configured. Make sure that the device is properly installed and there are no red Xs or yellow exclamation marks in the Device Manager. If you've recently updated the video driver, roll it back to the previous version or try removing and reinstalling it. If permanent lines or spots appear, the LCD might be faulty and should be replaced.
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Emily DuarteAug 25, 2025
Why does my eMachines D720 Laptop have random loss of BIOS settings?
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  Corey JohnsonAug 25, 2025
  Random loss of BIOS settings on your eMachines Laptop can occur for several reasons. If the computer is more than one year old, replace the CMOS battery. Run a complete virus scan. If the computer is experiencing HDD or ODD BIOS information loss, disconnect and reconnect the power and data cables between devices. If HDD information is missing from the BIOS, the drive may be defective and should be replaced.
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Mary HughesAug 27, 2025
How do I troubleshoot sound problems on my eMachines Laptop?
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  Jon KelleyAug 27, 2025
  To troubleshoot sound problems on your eMachines Laptop, start by rebooting the computer. Also, check that Speakers are selected as the default audio device. You can also configure the speakers by selecting Speakers and clicking Configure to start Speaker Setup and following the onscreen prompts. Ensure that all volume controls are set mid range. Additionally, verify that the audio device is properly installed in the Device Manager, and try rolling back or reinstalling the audio driver.
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whowardAug 30, 2025
What to do if HDD is not operating correctly on eMachines D720?
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  gonzalezkristinAug 30, 2025
  If the HDD on your eMachines Laptop isn't operating correctly, try disconnecting all external devices. Run a complete virus scan using up-to-date software. You can also run the Windows Vista Startup Repair Utility. Restart the computer and press F2 to enter the BIOS Utility to check the BIOS settings.
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Elizabeth LoveSep 3, 2025
How to troubleshoot external mouse failure on eMachines D720?
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  Kaitlyn FreemanSep 3, 2025
  To troubleshoot an external mouse failure on your eMachines Laptop, first try an alternative mouse. If the mouse uses a wireless connection, insert new batteries and confirm there is a good connection. If it's a USB connection, try an alternate USB port. You can also restart the computer.
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Cody VaughnSep 6, 2025
How to fix internal microphone failure on eMachines D720 Laptop?
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  David CarpenterSep 6, 2025
  To fix an internal microphone failure on your eMachines Laptop, check that the microphone is enabled. Right-click on the Recording tab and select Show Disabled Devices. Right-click on the microphone and select Enable. Select the microphone then click Properties and select the Levels tab.
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Beth CantuSep 9, 2025
What to do if the drive is not detected on eMachines D720 Laptop?
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  Amy LewisSep 9, 2025
  If a drive is not detected on your eMachines Laptop, restart the computer and press F2 to enter the BIOS Utility. Also, turn off the power and remove the cover to inspect the connections to the ODD.