Question about Toshiba SD-3990 DVD Player

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Unable to load or read

When a DVD is inserted and the door closes, the DVD is not read. I receive the message: "disc is not ready" even though the door is closed. How can I fix this?

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Re: Unable to load or read

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It won't press the button even though the power is on

Since you don't indicate what you mean by "won't work", let me provide a few possibilities:

1) You close the door and you can hear the DVD spin, but no reaction on the screen other than some type of "loading" message. This indicates that the optics are attempting to read the DVD but are having difficulties. The operation may ultimately be successful and the DVD may start, but the movie will be unwatchable because of freezes etc. In this case, try cleaning the lens using a cotton swab and alcohol. A dirty lens can cause this.

2) You close the lid and do not hear the DVD spin. In this case, the optics can not even determine that a disc is in the machine. Again attempt to clean the lens. If that fails to at least cause the disc to spin, the optics have failed and need to be replaced.

3) Try a music CD. If that plays OK, but a DVD does not, then the optics are defective and need to be replaced. DVDs require a more powerful laser and will typically fail sooner than CD levels.

Hope this helps,


Jul 10, 2008 | Audiovox DVD & Blu-Ray Players

1 Answer


The loading mechanism has the trouble. The inserted CD or DVD does not engage into the laser assembly unit properly. It may be due some fault with its loading motor or loading belt. Check these.

Mar 02, 2012 | Jamo DMR 60 DVD Player/Receiver

1 Answer

I don't know if my first REQUEST for Assistance was received, at any case, I REQUESTED to find WHY my GO.VIDEO COMBO Player is NOT READING any of my blank DVD DISC( SONY, IMATION, MEMOREX, DVD+R ), IT KEEP...

If there is nothing on the disc, it will read, "no disc". It will only read and/or identify discs with media loaded or burned onto it. Your unit is a player, not a DVD+R (recorder). Can record VHS, but not discs.

Jun 30, 2010 | GoVideo Go Video DVD/VCR Combo

1 Answer

My NAD cd/dvd T550 displays NO DISC.

I have the same problem. When I insert a disk, my NAD T 550 DVD player displays 'No Disc'. It started with new disks while still reading older disks, but at some time it stopped recognizing any disk. Did you receive any suggestion yet or has anyone a suggestion?

Jan 27, 2009 | NAD T550 DVD Player

1 Answer

Player won't read a DVD

Sounds like a bad pick up assy (Laser)

Nov 24, 2008 | Samsung DVD-R155

2 Answers

OPEN error stays on when disc inserted

There is a pressure switch that gets pushed down when the disc door is closed. Ether the arm on the switch is busted, the switch is bad or a busted wire to the switch.


Oct 28, 2008 | Insignia I-PD720 Portable DVD Player

1 Answer

Not recognizing DVD player

i would say for some reason your dvd player is not compatible from now on with that brand of blank dvd!

get the firmware update from the brand website all you do is download the file burnit on a cd and put it in the dvd player should fix most and eventual problems

Jan 14, 2008 | Panasonic DMR-EH75VS DVD Recorder/VCR/HDD...

4 Answers

DVD not playing

here is the link to the user manual, troubleshooting and venturer support contact details; Hope this helps, please post again if not :)

Jan 30, 2007 | Venturer PVS177W Portable DVD Player

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