I have an Hp Compaq CQ60 215DX
I am quite familiar with software and hardware but this one pass me

The Problem :
When I boot it all the led indicators show ,but the screen remains off ,it doesnt turn on at all

What I have tried:
I have done the 60 seconds trick to remove flea power (residual power),holding down power button,sometimes it works ,sometimes it doesnt work.
I have disamantled and cleaned every internal corner of the laptop,to remove dust
I have checked contacts and cables
I have even removed some hardware ,since some hardware can cause this kind of issue ,for example CD ROM


SIDE NOTES :
I noticed when I do extreme power draining , that is removing battery and unplugging it for like 3 days ,it boots up just fine ,but I cant be waiting for 3 days all the time to work na ,I am a programmer ,work plenti wey i wan do
There is no more CMOS battery , i removed it since the battery died (i doubt this is the problem,but I may be wrong ,couldthis be the problem ?)
If the CMOS is the problem,how much does a new one cost ,not the battery alone ooo,with the cable attached to it (its three pin)
What other thing could be causing this ,please help !!!


If you can buy the laptop as well and fix it ,make I join money buy another one ,let me know

sotall
skydancer

Kunleforreal how far na

It has nothing to do with cmos, I'm suspecting the controller.

udemzyudex:
It has nothing to do with cmos, I'm suspecting the controller.

What Controller

Donald3d:

What Controller

It's on the motherboard, the super io chip.

I'm not really sure that's the problem but in some cases like this, the controller is always the one at fault.

udemzyudex:


It's on the motherboard, the super io chip.

I'm not really sure that's the problem but in some cases like this, the controller is always the one at fault.

Have an idea how much it costs ?

Donald3d:
Have an idea how much it costs ?

Naa..

Donald3d:
I have an Hp Compaq CQ60 215DX
I am quite familiar with software and hardware but this one pass me

The Problem :
When I boot it all the led indicators show ,but the screen remains off ,it doesnt turn on at all

What I have tried:
I have done the 60 seconds trick to remove flea power (residual power),holding down power button,sometimes it works ,sometimes it doesnt work.
I have disamantled and cleaned every internal corner of the laptop,to remove dust
I have checked contacts and cables
I have even removed some hardware ,since some hardware can cause this kind of issue ,for example CD ROM


SIDE NOTES :
I noticed when I do extreme power draining , that is removing battery and unplugging it for like 3 days ,it boots up just fine ,but I cant be waiting for 3 days all the time to work na ,I am a programmer ,work plenti wey i wan do
There is no more CMOS battery , i removed it since the battery died (i doubt this is the problem,but I may be wrong ,couldthis be the problem ?)
If the CMOS is the problem,how much does a new one cost ,not the battery alone ooo,with the cable attached to it (its three pin)
What other thing could be causing this ,please help !!!


If you can buy the laptop as well and fix it ,make I join money buy another one ,let me know

sotall
skydancer

try these steps

1, firstly remove the power chord from the slot, then remove the battery and replace both back immediately. with the power plug connected to power source, try to reboot your system
see if it comes on.

2, if solution 1 does not work, that means the BIOS battery needs replacing (the BIOS battery is the small wrist watch like battery that is installed inside the computer)
if it becomes weak the computer will not come on.
try replacing this and come and thank me later (that's if your monitor is not damaged o)