DVDプレーヤーが再生できない原因と解決法|読み込まない・音が出ない・画面が映らない

Reasons and Solutions for DVD Player Playback Issues | Not Loading, No Sound, No Picture

📋 What you'll learn in this article
  • Reasons why DVDs won't load or play
  • Solutions for no sound, no picture, or freezing issues
  • Troubleshooting for USB/SD card playback issues
  • Disc cleaning and maintenance methods
  • Criteria for deciding whether to repair or replace

Introduction: First, "Isolation" is important

DVD player problems can be broadly categorized into three types: disc issues, setting issues, and equipment malfunction. Identifying the cause first will help you choose the appropriate solution.

Chapter 1: DVD won't load or play

1.1 Causes and Solutions

Cause How to check Solution
Disc is dirty/scratched Visually inspect the disc Wipe from the center outwards with a soft cloth
Lens is dirty/dusty Check with a lens cleaner Use a lens cleaner disc
Region code mismatch Check the disc's region Use a disc with the corresponding region
Unsupported file format Check the file format you want to play Convert to MP4 (H.264) format
Firmware malfunction Restart the player Press the reset button

1.2 How to clean a disc

  1. Prepare a soft cotton cloth (do not use eyeglass cleaning cloths)
  2. Wipe the disc in a straight line from the center outwards
  3. Allow it to dry completely before trying to play it again
⚠️ What not to do: Wiping in a circular motion, using alcohol or detergent, or wiping vigorously with tissue paper — these will scratch the disc.

Chapter 2: No Sound

2.1 Checklist

  • ✅ Check if the player's volume is set to zero
  • ✅ Check if mute is enabled
  • ✅ Check if headphones/earphones are still connected
  • ✅ When connecting external speakers: Change audio output setting from "Internal" to "External"
  • ✅ When connecting via HDMI: Change audio setting to "PCM/Stereo"
  • ✅ When connecting to a TV: Check the TV's input selection

Chapter 3: No picture / Abnormal colors

3.1 Troubleshooting by connection type

Connection Method Problem Solution
HDMI No picture Switch input, re-plug cable, restart
AV cable Abnormal colors Check red, white, yellow connections
Built-in screen Dim screen Increase brightness setting
All connections Blackout Restart (wait 30 seconds)

Chapter 4: Freezing / Malfunctioning

  • Restart the player: Turn off the power, wait 1 minute, then restart (most basic solution)
  • Reset button: Press the reset button on the unit (settings may be initialized)
  • Eject and re-insert disc: Effective for disc recognition errors
  • Avoid high temperatures: Malfunctions due to high temperatures often recover after cooling

Chapter 5: USB/SD card playback issues

Cause Solution
Unsupported file format Convert to MP4 (H.264) format (use free tools like HandBrake)
File system other than FAT32 Format USB memory to FAT32
Files larger than 4GB Split or compress the file
USB memory capacity exceeded Use a USB memory stick of 32GB or less
Poor contact in USB port Unplug and re-insert USB memory
✅ Most common solution: Over 90% of USB playback issues can be resolved by converting the file format to MP4 (H.264).

Chapter 6: Repair vs. Replacement Decision Criteria

Situation Recommended Action
Malfunction within 1 year of purchase Contact manufacturer warranty/support
Only disc reading errors Often improves with a lens cleaner
Audio/video setting errors Often resolved by resetting settings
3+ years old and physical damage Consider replacement (if repair costs exceed unit price)
No power/completely unresponsive Manufacturer support or replacement

🛒 Reliable Aestiquo DVD Players

Aestiquo PD101
Portable DVD Player

10.5-inch, car-compatible, compact

Aestiquo PD141
14.1-inch DVD Player

Large screen, car/home use, HDMI output

👉 See all DVD player lineups

❓ Frequently Asked Questions

Why isn't my DVD disc loading?
The main causes are dirt, scratches, or smudges on the disc, a dirty lens, or a region code mismatch. First, try wiping the disc with a soft cloth and then try again.
The video I put on my USB drive won't play.
Please check the supported file formats. Aestiquo DVD players support AVI, MPG, VOB, and DAT formats. If it's MP4, you may be able to play it by converting it to AVI format with HandBrake.
The screen sometimes freezes during playback.
This is often caused by dirt or scratches on the disc. Also, if the screen freezes while playing high-resolution content, try reducing the file format or resolution.
Will my settings be erased if I reset it?
Resetting may initialize settings such as volume, picture quality, and language. Reconfiguration can be completed in a few minutes. To resolve freezing, we recommend restarting the power first.

The information in this article is current as of April 2026. Product specifications are subject to change without notice.

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