HP Compaq Presario CQ50-110US Laptop "mains light work" Questions

work or not?? or..you are just annoyed by the fact that it has no light??? if it works..just leave it alone, if it bothers you, you can buy a new switch and it can be installed...it can't be repaired.

...light Remove the main battery and try to power up, if it works replace the battery, no change! remove one stick of ram memory and repeat keeping one stick at all times, if none of these work the ...

...only things worth trying that u aint already tried, is take out the main battery and try it with mains in. take the memory modules out 1 at a time and try them. if not more than likely the ...

...light for AC power comes on but no fan, no power, blank screen The power cord works. Removed hard drive, RAM, and battery. Press power button and held for a minute. No fan start or screen display. ...

My screen is completely black when i turn on my power button, the light comes on and the fan runs but thats it. This sounds like a motherboard problem, remove main battery and power supply, now press ...

...mains and nothing just the power light . can anyone help??? thanks karl sure..charge up the battery for about 6 hours..then run it on battery only..if that works, then you have a potential mother ...

no turn on notbook compaq 1711t Hello The mandatory requirements before you try anything else are the main battery must be installed, it must work correctly, and there must be nothing wrong with the ...

...work that light woun't come on and the display woun't light up therefore the transistors on the pannel woun't have anything to filter and display on the screen. This problem can happen because of ...

...light indicating that the charger is working is on but the computer won't turn on. There could be a problem with the battery. A fast check to determine whether you have a problem with the power ...

...light up if yes the power cable is working else the power cable needs replacement now connect the power cable to the CPU and have a look to see behind the CPU to see if the main fan is rotating....if ...