My set turns on and off repeatedly for about 3 minutes each time i turn it on sometimes it works sometimes it doesnt i was wondering if it would be an easy fix or even worth calling the repairman in the picture when it decides to work is perfect
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Its a 30 minute process.
Turn the ignition from off to on
Attempt to start the vehicle then relese the key to the on position for 10 minutes until or until the security light goes off.
Turn of the ignition wait 5 seconds and and repeat the above steps 2 more times, After the third time make sure the ignition is in the off position for at least 5 seconds then attempt to start the truck.
It takes awhile i had the same problem with my 2002 astro and just a note sometimes this procedure doesnt work the first time its a real pain
I am kinda having the same problem not as bad as yours. They replaced my relay or what ever it is 2 times. When it got down to 9 degrees mine quit working again for 2 days. It started working again but took it back to dealer anyway. They had a new part they put in then they called us and told us the blower motor is burnt up and it is gonna cost us $300. We asked how it can be burnt up when it was working when we brought it in. They said I don't know but said it is. After talking to 3 people and no solution to this, we told them to put the old relay in cause we're not paying 300 for something that was working. So far still working but sure it will quit again. Will never buy another GMC produce.
Ok based on just the monitor turning off Lets try this,,
FOR WINDOWS XP
1.) Right click on your desktop
2.) Choose properties
3.) Click on the screen saver tab
4.) Click power
5.) Set The POWER SCHEME to Home/Office Desk
6.) Set the Turn Off monitor to Never
7.) Set the Turn Off hard disk and system Stand By to never
8.) Click apply then ok
9.) Repeat steps 1 - 3
10.) Set the wait time to 30 minutes
11.) Click Ok
12. Shut down and restart your system and wait 30 minutes to see if the monitor will shut off if it doesnt then Your good to go
If it does Then disable the screen saver.. and wait half hour to see what happens
POST BACK HERE AND TELL ME YOUR RESULTS OF THE ABOVE SO WE CAN TRY SOMETHING ELSE
I had a friend with the same problem. He had to clean the components and fans in the set. The accumulated dust had caused the set to run hot and a safety switch was the tv off. He purchased a few cans of compressed air and, as he blew the components and fans out, used a vacuum to capture the blown dust. Good luck.