I have a pavilion dv3 in the shop right now that is displaying symptoms that I can't quite get a straight answer about.
When you push the power button, some status lights come on and it seems to be doing some pre-boot tests due to the different status lights blinking on and off. But, there is nothing on the screen (not an external either). Then, the screen does start flashing bright white. It only last a split second, and there is nothing on the screen except for pure white. The flashes are about 5 seconds apart once it starts (~20 sec after power on). Again, there is nothing visible on an external monitor and the caps lock and power light just keep flashing with the screen.
I have checked the LCD cable, it looks ok. I have checked the connection to the LCD, it was solid. I even had an old cracked LCD from an acer aspire. It gave the same flashing for a few seconds until it decided that it was too much to handle and blew out. oops.... But, the original screen still does the same thing, no change.
I have also checked the RAM by swapping it out.
So, when I do some googling, I find that a white screen is usually due to a bad cable or connection. I can't say the cable is perfectly intact, as I don't have a replacement. If it were just a solid white screen, or I had an image on an external, I might try replacing the cable. But, since it has this rhythmic flashing along with the other lights on the machine, I really think there is a problem with the motherboard / GPU.
Can anyone else think of anything to try? Has anyone come across this before? Thanks in advance...
When you push the power button, some status lights come on and it seems to be doing some pre-boot tests due to the different status lights blinking on and off. But, there is nothing on the screen (not an external either). Then, the screen does start flashing bright white. It only last a split second, and there is nothing on the screen except for pure white. The flashes are about 5 seconds apart once it starts (~20 sec after power on). Again, there is nothing visible on an external monitor and the caps lock and power light just keep flashing with the screen.
I have checked the LCD cable, it looks ok. I have checked the connection to the LCD, it was solid. I even had an old cracked LCD from an acer aspire. It gave the same flashing for a few seconds until it decided that it was too much to handle and blew out. oops.... But, the original screen still does the same thing, no change.
I have also checked the RAM by swapping it out.
So, when I do some googling, I find that a white screen is usually due to a bad cable or connection. I can't say the cable is perfectly intact, as I don't have a replacement. If it were just a solid white screen, or I had an image on an external, I might try replacing the cable. But, since it has this rhythmic flashing along with the other lights on the machine, I really think there is a problem with the motherboard / GPU.
Can anyone else think of anything to try? Has anyone come across this before? Thanks in advance...
