Great question—these terms get mixed up a lot.

• CD (Compact Disc): The physical disc format. It can be an audio CD (music), a data CD, CD-R (recordable once), or CD-RW (rewritable).
• CD-ROM: A type of data CD that’s factory-pressed and read-only. It’s commonly used for software, manuals, or files and can’t be altered.

An external CD drive typically reads CD, CD-ROM, and audio CDs. If you want to burn discs, look for a drive that supports CD-R/CD-RW writing. On Walmart.com, you can review item specs and customer Q&A to confirm the formats a specific drive handles.

Plenty of folks still find them useful, especially for access to older media.

• Legacy software or files: Install programs or open backups stored on CD-ROMs.
• Photos and documents: View family archives saved to disc years ago.
• Music collectors: Play or import audio CDs for personal use where permitted.
• Education: Some textbooks or courses still include CD-based resources.
• Devices without internal drives: Modern laptops often omit optical drives, so externals fill the gap.

If that sounds like you, an external drive can be a practical add-on. Check compatibility details and reviews on Walmart.com, and choose pickup or delivery options that fit your schedule.

1. Connect the drive: Plug it into a USB port (USB-A or USB-C). If your laptop only has USB-C, use a compatible USB-C drive or a data-capable adapter.
2. Insert your disc: Place it label-side up on a stable surface to avoid vibrations.
3. Wait for setup: Most computers auto-install drivers. Then open File Explorer or Finder to access files, or use a media player for audio CDs.
4. Burning discs (optional): If the drive supports CD-R/RW, use compatible burning software and media.
5. Eject properly: Use the on-screen eject before unplugging to reduce data or disc issues.

Some models may work more reliably with additional power. If the item includes a dual-plug or mentions a powered hub, follow the manufacturer’s guidance.

• Connection type: USB-A vs. USB-C and cable length. If you have a USB-C-only laptop, consider a drive with USB-C or a data-capable adapter.
• Read vs. write: If you only need playback or file access, a read-only drive may be enough. For recording, choose a model that supports CD-R/CD-RW.
• Compatibility: Check OS support (e.g., Windows, macOS). Some systems may read discs but not write, depending on software and drivers.
• Speed and noise: Faster reads can help with large files; quieter drives are nicer in shared spaces.
• Power: Bus-powered is portable; some drives benefit from extra power.

Use filters, ratings, and Q&A on Walmart.com to compare and pick the right fit.

• Check the disc: Look for scratches or smudges and gently clean with a soft, lint-free cloth from the center outward.
• Try another disc: This helps you see if the issue is the disc or the drive.
• Reconnect: Plug directly into your computer’s USB port. If an adapter or hub is used, try a different one or a powered hub if the product documentation suggests it.
• System check: See if the drive appears in Device Manager (Windows) or Disk Utility (macOS), and update the OS if needed.
• Disc format: Some drives may not read certain CD-RW or unfinalized discs. Verify the disc type.

If problems continue, review the item’s manual and support resources on Walmart.com for model-specific tips.