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Toshiba sd3990 won't power on

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How do I restore Toshiba DVD player SD3990 back to original without password? Forgot password.


If you forget your 4-digit code
If you forget your password, to clear the current pass-
word, follow the procedure below.
1 Press SETUP to display the setup menu.
2 Use the Number buttons to enter the 6-digit number
"210499".
The 4-digit password is cleared. "P CLr" appears on the
display for a moment.
3 Enter a new code as shown above to the left (Rating)

Dec 05, 2014 | Toshiba SD-3990 DVD Player

1 Answer

Toshiba TV won't turn on


Toshiba? Suspect that if it uses a Lamp for brightness (a model number would help) it may have failed----customer replaceable and if remove look to see it is not shattered inside--2 year, 2000 hour life is normal.

Oct 29, 2012 | Sony Televison & Video

1 Answer

Toshiba satellite l305d-s5934 Won't charge battery dont power On


POWER SUPPLY & BATTERY PROBLEM
If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all. OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time. If the battery drops to an unacceptable charge level then the battery needs to be replaced. Rechargeable batteries will fail if stored in a discharged state for long periods.

Oct 25, 2012 | Toshiba Satellite L305D-S5934 Notebook

1 Answer

Toshiba t135 laptop won't turn on


If its not powering on 3 problems could be there the battery/ the power supply or the power management chip or lastly the charge chip around the inside of the laptop inside its self

Jan 10, 2012 | Toshiba Satellite Computers & Internet

1 Answer

Toshiba Satellite C655-S5082. Won't power on. Worked fine last night. Today it won't turn on. Plug it it and no power light. With power cord plugged in when I push the power button the light for...


Hi.

Take out the AC power jack and then remove the laptop battery. Plug AC power back in and see if the laptop will turn on. If it turns on let it boot the operating system and then shut down as normal, remove the power cord and reinsert the battery and again see if it will switch on. If it does then there has been a glitch with the battery. If it doesn't then there is a problem with the battery.

If the laptop won't switch on either with or without the battery then there is a possibility that the motherboard has developed a problem.


Good luck.

Jul 16, 2011 | Toshiba Computers & Internet

1 Answer

My Toshiba BDX 2500ku won't turn on...Ive used it before...now it won't even open...please help....its only about 4 months old and we've only watched about 2 movies....


check the back of the player to see if the power cord has come loose, some units have a removable cord and it can get pulled.

Jun 20, 2011 | Toshiba BDX2000 Blu-Ray Player

1 Answer

My woofer is 18' 600w rms power. so what is the


Basically you cannot break you woofer with too powerful amp, but you can break it using too weak amp. This is because if you don't have enough watts going to you woofer the cones movement isn't controlled properly. I'm usually using +20% to the woofers RMS and peak power. This will also make the amp last longer because you won't use it at it's peak performance all the time. If possible use manufacturer whose prising policy matches your woofers manufacturers, that way you won't end up with "2000w peak power" cheap amp with real output of 30w. and in the other end cheap woofer won't handle expensive amp with real 600w rms so well, you need to find a midlle way here. Hard to say without knowing the make and model of the woofer.
This is a taste question for some people, and I haven't build a system to match so powerful woofer ever in my life. But I'm pretty sure you won't go wrong with this one.

May 20, 2011 | Audio Players & Recorders

1 Answer

Hi -- my toshiba SD3990 model DVD player won't


Your DVD player is fu.k.d up.  These things are made so cheap now a days that it is more trouble to try to fix the thing, than going out and buying a new one.  You can try running a disc head cleaning kit through it first to see if that helps.

Nov 23, 2009 | Televison & Video

1 Answer

DVD player won't play DVD, says "load"


The unit can recognize that a disc has been loaded but can not read the contents. This can be as simple as a dirty lens or more drastic like failing optics. Try cleaning the lens using a cotton swab and alcohol. If that fails to correct the problem and a music CD will play OK, then the optics are failing. DVDs require more laser power to read than a music CD.

Dan

Feb 04, 2009 | Toshiba SD-3990 DVD Player

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