What does data error mean on Dell D29M?
- EElizabeth HaydenSep 23, 2025
The hard drive cannot read the data.

What does data error mean on Dell D29M?
The hard drive cannot read the data.
What to do if my Dell Desktop displays 'Extended Memory Size Has Changed'?
If your Dell Desktop displays 'Extended Memory Size Has Changed', restart the computer. If the error appears again, contact Dell.
What to do if my Dell D29M displays 'Time-of-Day Clock Lost Power'?
If your Dell Desktop displays a 'Time-of-Day Clock Lost Power' message: Connect your computer to an electrical outlet to charge the battery. If the problem persists, try to restore the data by entering the System Setup program, then immediately exit the program. If the message reappears, contact Dell.
What to do if my Dell D29M shows 'Time-of-day clock lost power'?
If your Dell Desktop displays the message 'Time-of-day clock lost power', connect your computer to an electrical outlet to charge the battery.
What to do if my Dell D29M shows 'Time-of-day clock stopped'?
If your Dell Desktop displays the message 'Time-of-day clock stopped', connect your computer to an electrical outlet to charge the battery.
What to do if my Dell Desktop displays 'The file being copied is too large for the destination drive'?
If your Dell Desktop says that the file being copied is too large for the destination drive, try copying the file to a different disk or use a larger capacity disk.
What does 'Decreasing available memory' mean on my Dell Desktop, and how can I fix it?
If your Dell Desktop shows 'Decreasing available memory', one or more memory modules may be faulty or improperly seated. Reinstall the memory modules or, if necessary, replace them.
What to do if my Dell Desktop displays 'X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY'?
If your Dell Desktop displays the error 'X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY', insert a disk into the drive and try again.
How to fix BIOS Recovery image found but invalid on Dell Desktop?
Flash the latest BIOS version. If the problem persists, replace the system board.
How to fix 'Keyboard Clock Line Failure' on a Dell Desktop?
To fix a 'Keyboard Clock Line Failure' on your Dell Desktop, for external keyboards, check the cable connection. Run the Keyboard Controller test in Dell Diagnostics.
Essential safety instructions and precautions for working inside the computer to prevent damage and injury.
Measures to prevent damage from static electricity, including using ESD kits and proper handling.
Steps to safely prepare the computer before internal work, including shutdown and power disconnection.
Procedures for safely reassembling the computer after internal service is completed.
Procedures for removing the side cover and front bezel to access internal components.
Guides for installing and removing 2.5-inch drives, 3.5-inch drives, and M.2 SSDs.
Instructions for installing and removing system memory modules from the motherboard.
Procedures for replacing the CPU, heat sink, and fan assembly for thermal management.
Comprehensive guide for removing and installing the computer's main motherboard.
Steps to enter the BIOS setup utility and navigate menus using keyboard keys.
Overview of general options, system information, boot sequence, and security configurations.
Instructions for updating the system BIOS via Windows, USB drive, or the F12 boot menu.
Using built-in diagnostics to perform a complete hardware check and identify issues.
Understanding diagnostic LED blinking patterns to identify specific hardware problems.
Procedures for recovering the operating system using Dell SupportAssist OS Recovery for boot issues.
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