Question about Vizio P42HDEA Television

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Black screen a black screen is all i get with no volume or menu commands at all

Posted by fred on

  • fred Apr 06, 2012

    a black screen is all i get with no volume or menu commands at all

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sphilip_lee

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  • 18 Answers

Busted lamp. please increase the volume of the tv even thought there is a black display. if a volume comes up then chances are the ccfl lamp is busted that is why you get black display.

Posted on Apr 07, 2012

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My Nextbook model NX785QC8G freezes when you turn it on. How do I reset it to the factory settings? I have looked, but have not found a reset button.


Check http://support.nextbookusa.com/support/index.php?/Knowledgebase/Article/View/84/0/reset-instructions-for-nx785qc8g.

1. Hold down the Volume (+) and the Power button at the same time, until you see No Command on your screen. (The tablet will act like it's going to turn on and go black, continue to hold your buttons until No Command shows up on your screen)
2. Release your buttons when you see the No Command appear on your screen.
3. Tap the Volume (+) once, and a blue menu will appear on your screen.
4. You will use the Volume (-) to navigate and the Power to select. Tap theVolume (-) until you highlight "Wipe Data Factory Reset"
4. Press your Power button to select it.
5. You will see a list of "No's" and one "Yes." Use the Volume (-) to go to the onlyYES on your screen.
6. Press your Power button to select the Yes.
7. This will prompt your tablet to go through the motions of resetting itself. When you see the words ''Wipe Data Complete", tap your Power button once to selectReboot System Now.
8. Your tablet will power off and power back up on its own; this will take a little longer than normal, so give it a couple minutes before it boots.

Dec 29, 2015 | Nextbook Tablets & eReaders

Tip

ERROR CODE AND POWER SUPPLY CIRCUIT


Viewing the Self Check Diagnostic List
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:DISPLAY > Channel 5 > Volume - > TV POWER .
Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a "0".
NOTE: If the Service Menu display text is not completely visible, press the Menu HOME button on the Remote Commander to refresh the display.
3. To exit Self Check display, turn the power off. Press [Menu] Exit.
Clearing the Self Check Diagnostic List
1. In Service Mode, press the Channel 8 Channel 0 .

RESETTING TO FACTORY DEFAULTSUse the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.1. While holding down the UP ARROW on the Remote Commander, press the POWER button on the right side of the set.The set restarts and displays the initial setup screen. This may take several minutes.
White Balance adjustment
1. Allow approximately 30 minutes for the set to warm up before proceeding with the white balance adjustment.
2. Connect the signal source to the 3 terminals of the Component In input (Y/Pb/Pr).
3. Set the Picture Mode to "VIVID" in the user menu.
4. Select the Component In input.
5. Open the Factory Service Menu (see section 3-1.) and select "Service Alignments Menu".
6. Set "White Point Red", "White Point Green", "White Point Blue" and "Black Level Offset Red", "Black Level Offset
Green", "Black Level Offset Blue" to average values .
"Cool " White Balance Adjustment
1. Select "COOL" from Color Tone in Service Alignments Menu.
2. Input 70IRE full white pattern signal into Component In.
3. Adjust "White Point Red", "White Point Green", "White Point Blue" in Service Alignments Menu if needed.
4. Input 25IRE full white pattern signal into Component In.
5. Adjust "Black Level Offset Red", "Black Level Offset Green", "Black Level Offset Blue" in Service Alignments Menu if needed.
6. Repeat steps 2 to 5 to achieve desired White Balance.
FOR MORE DETAILS CHECK THE FOLLOWING LINK
www.electro-medical.blogspot.com
google.com/+AjinGopakumar

USE SEARCH TAB TO FIND MODELS OR USE THE DROP DOWN MENU

on Jun 30, 2015 | Sony Bravia L-series Kdl-32l5000 32-inch...

1 Answer

Cannot lower volume on my sony tv 32L5000


The electronic volume control section circuit is faulty. The system control section tries to adjust the volume, by sending command voltage to the volume control section circuit, but this circuit do not accept or process it. Troubleshooting to this type of fault, is skilled one. Contact any service technician, or the service center.
If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Timeslide" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/

Jul 20, 2014 | Sony Bravia L-series Kdl-32l5000 32-inch...

Tip

SERVICE MODE AND ERROR CODES CHECK


Viewing the Self Check Diagnostic List
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:DISPLAY > Channel 5 > Volume - > TV POWER .
Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a "0".
NOTE: If the Service Menu display text is not completely visible, press the Menu HOME button on the Remote Commander to refresh the display.
3. To exit Self Check display, turn the power off. Press [Menu] Exit.
Clearing the Self Check Diagnostic List
1. In Service Mode, press the Channel 8 Channel 0 .

RESETTING TO FACTORY DEFAULTSUse the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.1. While holding down the UP ARROW on the Remote Commander, press the POWER button on the right side of the set.The set restarts and displays the initial setup screen. This may take several minutes.
White Balance adjustment
1. Allow approximately 30 minutes for the set to warm up before proceeding with the white balance adjustment.
2. Connect the signal source to the 3 terminals of the Component In input (Y/Pb/Pr).
3. Set the Picture Mode to "VIVID" in the user menu.
4. Select the Component In input.
5. Open the Factory Service Menu (see section 3-1.) and select "Service Alignments Menu".
6. Set "White Point Red", "White Point Green", "White Point Blue" and "Black Level Offset Red", "Black Level Offset
Green", "Black Level Offset Blue" to average values .
"Cool " White Balance Adjustment
1. Select "COOL" from Color Tone in Service Alignments Menu.
2. Input 70IRE full white pattern signal into Component In.
3. Adjust "White Point Red", "White Point Green", "White Point Blue" in Service Alignments Menu if needed.
4. Input 25IRE full white pattern signal into Component In.
5. Adjust "Black Level Offset Red", "Black Level Offset Green", "Black Level Offset Blue" in Service Alignments Menu if needed.
6. Repeat steps 2 to 5 to achieve desired White Balance.
FOR MORE DETAILS CHECK THE FOLLOWING LINK

www.electro-medical.blogspot.com
google.com/+AjinGopakumar

USE SEARCH TAB TO FIND MODELS OR USE THE DROP DOWN MENU

on Jun 30, 2015 | Sony Bravia KDL-26L5000 26 in. LCD HDTV

1 Answer

Change password


Restart your computer repeatedly tapping the f8 key to enter safe mode while the screen is black once in safe mode where the only things working will be your keyboard and mouse allowing you to attempt to repair your computer
Windows Advanced Options Menu
Please select an option:
Safe Mode
Safe Mode with Networking
Safe Mode with Command Prompt
Enable Boot Logging
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
Directory Services Restore Mode (Windows domain controllers only)
Debugging Mode
Start Windows Normally
Reboot
Return to OS Choices Menu
Use the up and down arrow keys to move the highlight to your choice
select safe mode with command prompt
Click start run type cmd press Enter
black screen should open DOS mode
this will vary depending on your operating system
Click "Start" icon in the lower left corner of your computer screen
Type the word "run" in the window that appears.
A second pop-up window will appear; type in the letters "cmd," then select "OK."
This will bring up the black DOS command screen.
Type next to the administrator account the following command: net(space)user(space) the username(i.e. johnadams) *. After typing this command, hit "ENTER" on your keyboard.
Type in a new password in the command screen prompt that ask you to type a password. Type the new password again once you are asked to confirm.
Type the word "Exit." This will bring you back to your login screen.
Enter the new password that you selected.

Sep 22, 2013 | Computers & Internet

1 Answer

Bios setup


macs have single user mode where you run commands to enter it

Press Command-S as the computer starts up.

The computer screen is black with standard white text. You can now run the UNIX commands that you want.

Press Command-S as the computer starts up.

The computer screen is black with standard white text. You can now run the UNIX commands that you want.

If it preferences that you want that can be found under the aple menu

If you are locked out you need a startup dvd to reset your passwords.

Hope this helps
Thanks for using FixYa

Aug 19, 2010 | Apple MacBook 13"White /2.0Ghz Intel Core2...

1 Answer

Black screen with white arrow


Step 1: Opening a command promptThis error prevents Windows XP from opening. This problem has to be addressed from a command prompt environment. Use the following steps to open a command prompt environment:
  1. Turn on the PC and press the F8 key repeatedly when the first screen appears.The Windows advanced options menu appears.
  2. Use the Up and Down Arrow and Enter keys to select Return to OS choices .
  3. Select Microsoft Windows Recovery Console .
    NOTE: If "Microsoft Windows XP Recovery Console" is not listed, restart the PC with a Windows XP CD, Recovery Console CD, or Recovery Tools CD in the top CD or DVD drive and open Microsoft Windows Recovery Console. If a Windows XP Setup screen appears when using Recovery Console CD's, press the R key to open the Recovery Console.
    NOTE: If "Microsoft Windows XP Recovery Console" does not list and you do not have a CD with recovery console, try the following:
    1. Turn on the PC, and press the F10 key repeatedly at the first screen.
    2. At the Recovery screen, click Advanced Options .
    3. Press the Alt + D keys at the same time to open a command prompt window and skip to step 5.
  4. When the log in prompt appears, press the number next to the windows version (min int or Windows) and type the log on password. Try pressing Enter if you do not know the password.
  5. At the command prompt, type the following: disk part
  6. Press Enter , do one the following:
    • If a table of volume names appears, remember the drive letter next to the main drive volume name (usually D or H next to HP_PAVILION or PRESARIO) and press the Esc key.
    • If a disk part prompt appears, type list volume , press Enter , remember the drive letter next to the main drive volume name (usually D or H next to HP_PAVILION or PRESARIO), type exit when done, and then press Enter .

    NOTE: If the main drive volume name does not appear in the list, the PC needs to be recovered. For more information, refer to Performing a Full System Recovery in XP .
Step 2: Replacing the file from a backup folderUse the following steps to find and replace the L sass file from the command prompt environment:
  1. Type the following at the command prompt: CD X:\i386 (where X is the main drive letter)
  2. Press the Enter key. If the error The system cannot find the path specified appears, enter the following paths, in order, until the error does not occur:
    • cd X:\Windows\i386 (where X is the main drive letter)
    • cd c:\i386
    • cd c:\Windows\i386
  3. Press the Enter key, and type the following at the command prompt: expand lsass.ex_ X:\windows\system32 (where X is the drive letter)
  4. Press the Enter key, and type the following at the command prompt: cd X:\windows\system32 (where X is the drive letter)
  5. Press the Enter key, and type the following at the command prompt: attrib lsass.exe -r
  6. Press the Enter key, and type the following at the command prompt: rename lsass.exe lsass.bak
  7. Press the Enter key, and type the following at the command prompt: rename lsass.ex_ lsass.exe
  8. Press the Enter key, and type the following at the command prompt: exit
  9. Press Enter and the PC restarts without the error. If the error persists, go to the next step.
Step 3: Recovering the PC If the error still continues, recover the PC .

Please rate me if this solution works for you

Thanks......Have a great time.

Jul 11, 2010 | Dell Inspiron 530s Desktop Computer

1 Answer

Garmin voice command not working


I am not fimiarly with tom tom, but I do know on my garmin gps, there is a mute feature on the volume. On my mine it is on the main menu screen right after you turn it on. On yours you may have to go to a menu or something to turn the mute off.

Aug 10, 2009 | Garmin nuvi 750 GPS Receiver

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