What to do if Dell D10U Desktop says 'Extended Memory Size Has Changed'?
- UubarkerSep 5, 2025
If your Dell Desktop displays 'Extended Memory Size Has Changed', restart the computer.

What to do if Dell D10U Desktop says 'Extended Memory Size Has Changed'?
If your Dell Desktop displays 'Extended Memory Size Has Changed', restart the computer.
What to do if Dell D10U Desktop says 'Disk C: Failed Initialization'?
To resolve 'Disk C: Failed Initialization' on your Dell Desktop, run the hard drive tests in Dell Diagnostics.
How to set the time if Dell Desktop displays 'Time-of-Day Not Set'?
If your Dell Desktop displays 'Time-of-Day Not Set', correct the settings for the Date and Time options.
What to do if my Dell D10U Desktop says no boot device available?
If your Dell Desktop displays 'No Boot Device Available', the computer is unable to locate the hard drive. Ensure the hard drive is installed, properly seated, and partitioned as a boot device if it is intended to be your boot device.
How to troubleshoot a keyboard data line failure on a Dell D10U Desktop?
If you are experiencing a keyboard data line failure on your Dell Desktop, check the cable connection for external keyboards. Run the Keyboard Controller test in Dell Diagnostics.
How to troubleshoot a keyboard clock line failure on a Dell Desktop?
If you are experiencing a keyboard clock line failure on your Dell Desktop, check the cable connection for external keyboards. Run the Keyboard Controller test in Dell Diagnostics.
How to fix a keyboard controller failure on a Dell Desktop?
If you are experiencing a keyboard controller failure on your Dell Desktop, check the cable connection for external keyboards. Restart the computer, and avoid touching the keyboard or the mouse during the boot routine. Run the Keyboard Controller test in Dell Diagnostics.
What to do if Dell D10U Desktop shows 'Error Reading PCMCIA Card'?
If your Dell Desktop shows an error reading a PCMCIA card, the computer cannot identify the ExpressCard. Reinsert the card or try another card.
What does 'Memory Write/Read Failure' mean on a Dell Desktop?
If your Dell Desktop displays a 'Memory Write/Read Failure', a memory module may be faulty or improperly seated. Reinstall the memory module or, if necessary, replace it.
What does 'Memory Odd/Even Logic Failure' mean on a Dell Desktop?
If your Dell Desktop displays a 'Memory Odd/Even Logic Failure', a memory module may be faulty or improperly seated. Reinstall the memory module or, if necessary, replace it.
| Model | D10U |
|---|---|
| RAM Technology | DDR3 |
| Operating System | Windows 7 |
| Optical Drive | DVD-RW |
| USB Ports | 6 (2 front, 4 rear) |
| Network | Gigabit Ethernet |
| Storage | HDD |
Guidelines to protect your computer and ensure personal safety during operation.
Essential steps to perform before opening the computer for maintenance.
Procedures for safely shutting down the computer before internal access.
Steps to follow after completing internal maintenance and before powering on.
Covers the removal and installation of the coin cell battery.
Details the process for removing and installing the M.2 PCIe Solid State Drive.
Steps for removing and installing the RAM memory module.
Detailed instructions for removing and installing the computer's processor.
Instructions for removing and installing the main system board.
Step-by-step instructions on how to access the BIOS setup.
Details various configuration options available in System Setup.
Provides instructions for updating the system's BIOS.
Covers setting, changing, and deleting system and setup passwords.
Steps to reset BIOS settings by clearing CMOS.
Procedures for clearing BIOS and system passwords.
Provides steps to download necessary drivers from the Dell support website.
Instructions for running a self-test on the power supply unit.
Overview of the pre-boot system performance check diagnostics.
Lists common error messages and their potential causes/solutions.