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Toshiba harmon/karmon when start up no screen lights up and the power light is on. How do I undo the lock to the screen on startup time.

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Harmon karmon


Try pulling the batteries out for 5 minutes or so, and see if that resets it to factory defaults.

Dec 18, 2014 | Harman Multimedia AVR 245 7.1 Channels...

1 Answer

How to troubleshooting


prob with the audio amph on the motherboard

Dec 04, 2013 | Harmon Kardon Harman Kardon Harman/kardon...

1 Answer

I have a toshiba a305 it turns on says toshiba then just turns black still on all lights and fans but just a black screen


Your system is not producing video output after the POST, which means the Windows video is messed up or there is a problem with a component like memory.
Because you can see the Toshiba splash screen, it tells you the LCD screen is fine. At least you know the LCD screen is working. See if you can get into the CMOS setup screen. I think it may be by pressing F2 on startup. If you can get to that, make sure the hardware is correct (like seeing if your hard drive is seen as installed).
You can also try to press F8 on startup and start the computer in safe mode. Very possibly something is trying to start when Windows starts and not completing its startup.

May 23, 2011 | Toshiba Satellite A305-S6863 Laptop

1 Answer

I have a 4 year old Toshiba laptop running XP sp3. When I try to boot it up, it freezes at the blue "Welcome" screen and I have to turn it off by holding the power button. The keyboard works (mouse will...


Hi Good day!! there's a tricky way of your problem in the welcome screen try to press ctrl alt del at the same time. NOTE don't Enter it!!! after you press ctrl alt del press esc button see if it work i hope it works...

Oct 09, 2010 | Computers & Internet

1 Answer

Speakers sound "cracked", not much volume. Specs state harmon/karmon audio system. Device manager says Realtek..


reinstall the audio driver then restart the computer. you can download the latest audio driver from your computer manufacturer's web site.

Jun 11, 2010 | Toshiba Satellite P25-S5263 Notebook

1 Answer

One long beep on startup, then switches off


i can if you didn't hook something back up... be that as it may... remove the memory... then plug the memory back in... power it up and see how it goes.

Feb 24, 2009 | Toshiba Satellite A60 Notebook

1 Answer

Screen stays black on startup of toshiba satellite L300


have you tried either switching between external and internal monitor usally Fn + F5 on toshiba or try plugging a monitor into the back and see if it displays.
if you get a display on the external monitor then its probably a screen or inverter fault if you donot get a display to an external screen then it is likley t be the graphics on the board itself.
hope this helps

Feb 22, 2009 | Toshiba Satellite Pro L300-EZ1501 Notebook

3 Answers

Harmon kardon 745 displays "unlock" no sound for tv or movies


I also had this UNLOCK message on my Harman Cardon AVR 130.
The reason for this error was - in a hurry I've plugged the optical input into optical OUT! Double check that your connections in the back are correct and hopefully it fixes your problem.

Cheers,
Sergey

Jan 11, 2009 | Harman Kardon AVR 130 Receiver

1 Answer

White line at bottom of display screen getting bigger.


If it's still under warranty they should be able to fix it for you. This sounds like a hardware problem. If you don't have a warranty you'd have to pay to get it fixed.

Dec 03, 2008 | Computers & Internet

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