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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. https://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Hello, There is a very good chance it's one of two problems. First, while theoretically you can connect tons of USB products, sometimes USB ports can be kind of hinky... Try unplugging something else USB based and plugging in the mouse or try several different ports. Also be sure it's not plugged into a USB hub and is going directly into your computer. If this works play with the arrangement of your USB devices until you find a configuration that works, maybe you'll have to switch out a printer or external drive while using your USB mouse... If this doesn't provide a solution the next thing to do is to uninstall the pointer device driver in device manager and allow it to re-install. If you don't have an alternate mouse to complete the task, here is the keyboard shortcuts for Windows although depending on your version of Windows it may be slightly different. -First hold the windows key and hit the r key (win+r) this will bring up the run menu -Next type mmc this will bring up a management console -Next press the ALT key and hit the down arrow key (this should drop down the file menu, if it doesn't please try ALT+F) -Use the arrow key to scroll down to Add/Remove snap in and hit enter. -Use the arrow key to scroll down to Device Manager and hit ALT+A to add the device manager to the console. Hit enter. -Make sure local computer is selected if this menu comes up and hit enter. -Hit enter one more time bringing you back to the console with the device manager added. -Hit tab to get to the center console and scroll down to mouse. (If tab isn't doing anything please hit the ALT key once.) -Hit enter to open the tree if it isn't already -Scroll down to mice and other pointing devices (or something along these lines) and hit the right arrow key to expand the tree again. -Select the USB mouse with arrow keys -Hit the alt key again then the down arrow (not together) and then the right arrow key until you get to the action menu and use the arrow key to go down to uninstall and hit enter. -Wait a moment and then go back to the action menu (you may have to hit tab just keep trying tab and the down key (not together) until a menu opens. Go over to the action menu again and choose scan for hardware changes. The computer should recognize the mouse and now work. I hope this helps you. Thank you.
simple. easy. you have 3 screen adjustments. red green blue. turn color all the way down. you should then get just a black and white picture, but in your case, it will still be reddish. behind the speaker grill is an access panel for screen adjustment. remove speaker grill. remove access panel. you will see a block assembly roughly 6 inches square with 6 knobs on it. 3 are for screen, 3 are for focus. adjust until you have a black and white picture. then go into menu and turn your color back up. enjoy!
You need to turn the voltage on the red tube down slightly, also you would need to adjust focus to compensate for the lower voltage to the red tube. On the left and right bottom side of speaker cover are two round covers, take them out and there are 2 1/4" hex screws take them out carefully take cover off, there is another service cover same hex screws remove. You will see the focus block on the right side, tubes are labled on block. 2 knobs for each tube. Make voltage adjustments while tv is on a black screen, then for focus, turn color all the way off in the menu, and adjust focus until it looks right in black and white. These adjustments should only be very small; if alot of adjustment is needed, you may have other issues.
yes , i can help,> open dvd tray, your player will go to menu but it will be jumping so look to bottom of screen to tell what function you are in. scroll down till you see "display lets you display picture etc." when you see this at bottom of screen hit enter and and hit bottom arrow you will see pal/ntsc option hit enter again and your picture will return to normal good luck.
1) In customer menu, adjust all video controls to center,then
increase "picture" to 3/4
2)Locate focus/screen adjust block above chassis...adjust
RGB screen controls for best mixture = B/W tracking..
Check with customer color level at minimum..should look gray.
If you turn screen controls up too much,you will see faint
re-trace lines in picture.....once B/W looks good,put color level
back to middle...................................................T.