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Laptop screen stay's black


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#1
LakersRule2008

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My laptop recently will not show picture. The laptop is a HP G61-304NR, the operating system is Windows 7. The power is on and everything but the screen just stay's black. I can not even do any resets because I can not see any options. I have tried removing the battery and unplugging the power cord. Nothing has worked, I do not know what else to do, can anyone help so I do not have to pay $65+ on a diagnostic.

Edited by LakersRule2008, 04 September 2012 - 12:10 PM.

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#2
phillpower2

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:welcome: LakersRule2008

Sorry to hear that you are having computer issues.

Couple of questions if I may;
Have you tried connecting the notebook to an external screen using the VGA port.
Any problems previous to this happening such as random shutdowns.
Any recent changes to software or hardware such as driver updates etc.
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#3
LakersRule2008

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:welcome: LakersRule2008

Sorry to hear that you are having computer issues.

Couple of questions if I may;
Have you tried connecting the notebook to an external screen using the VGA port.
Any problems previous to this happening such as random shutdowns.
Any recent changes to software or hardware such as driver updates etc.

Thanks man for the reply. I have actually tried connecting it to a VGA port to a TV but same problem happens. Screen stays black and power is on. I didn't notice this but the caps lock light keeps flashing if that helps to any extent.
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#4
phillpower2

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Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980

Try a physical check of the Ram, see my canned text below for how to do this.
Adding/removing Ram http://h10032.www1.h...l/c01555729.pdf

Diagnostic LED information https://h10025.www1....t=4072662#N2013

How to physically test your Ram.

The following checks require the computer case to be opened so take the following safety precautions 1st, disconnect the power cord from the wall socket and take anti static precautions before touching anything inside, you can do this by touching a bare metal
part of the case.


Have a pencil and notepad to hand.
Remove each stick of Ram and blow out the memory slots.
Insert the first stick of Ram in memory slot one, reconnect the power and in the case of a desktop computer the video to screen cable.
Power up the computer and see how it goes.
Make a note of the results.
Repeat the procedure until the first stick of Ram has been tested in each memory slot and the results written down.
Remove the first stick of Ram and put it to one side on top of a piece of paper with the number one on it for identification purposes.
Repeat the procedure with all Ram until each stick has been tested in all slots, the results written down and the sticks identified numerically.
Please note that some MBs (motherboards) will not boot unless there is Ram in slot one so please provide us with your motherboard details, brand, model name/number and any revision number, these details may be found by the CPU, between the PCI slots and/or around the edge of the motherboard, once we have the MB details we can look for the user manual.
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#5
LakersRule2008

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Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980

Try a physical check of the Ram, see my canned text below for how to do this.
Adding/removing Ram http://h10032.www1.h...l/c01555729.pdf

Diagnostic LED information https://h10025.www1....t=4072662#N2013

How to physically test your Ram.

The following checks require the computer case to be opened so take the following safety precautions 1st, disconnect the power cord from the wall socket and take anti static precautions before touching anything inside, you can do this by touching a bare metal
part of the case.


Have a pencil and notepad to hand.
Remove each stick of Ram and blow out the memory slots.
Insert the first stick of Ram in memory slot one, reconnect the power and in the case of a desktop computer the video to screen cable.
Power up the computer and see how it goes.
Make a note of the results.
Repeat the procedure until the first stick of Ram has been tested in each memory slot and the results written down.
Remove the first stick of Ram and put it to one side on top of a piece of paper with the number one on it for identification purposes.
Repeat the procedure with all Ram until each stick has been tested in all slots, the results written down and the sticks identified numerically.
Please note that some MBs (motherboards) will not boot unless there is Ram in slot one so please provide us with your motherboard details, brand, model name/number and any revision number, these details may be found by the CPU, between the PCI slots and/or around the edge of the motherboard, once we have the MB details we can look for the user manual.


Sorry for the VERY late reply. I just tried taking out both sticks of ram and cleaned and brushed them. Still the screen will not turn on but the lights around the keyboard near caps lock and such light up. Now I have noticed also that the fan does not turn on, I can not hear it anymore.
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#6
LakersRule2008

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Any other option for me? Right now I am in the process of taking the fan out and seeing if it needs some cleaning. Should I try anything other than this?
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#7
phillpower2

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From my reply #4

Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980

What is the answer please.

Please clean the fan, reassemble the notebook and check that the fan is functioning.
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#8
LakersRule2008

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From my reply #4

Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980

What is the answer please.

Please clean the fan, reassemble the notebook and check that the fan is functioning.


I took apart the laptop and cleaned out the fan and all the dust inside completely. The power still turns on and now the fan does to but the screen is still just blank. What else should I try now?
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#9
phillpower2

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From my reples #4 and #7

Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980

What is the answer please.


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#10
LakersRule2008

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From my reples #4 and #7

Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980

What is the answer please.


I do not see a reply here o.o.. Anything else I should try before giving up on this laptop repair?
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#11
phillpower2

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From my reples #4 and #7

Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980


What is the answer please.
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#12
LakersRule2008

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From my reples #4 and #7

Sorry but I have to ask this but when you tried using an external display did you press the Fn + the F4 keys to toggle to the external screen, using an external display, methods of connecting to an external display http://bizsupport1.a...ectID=c01938980


What is the answer please.


Ah sorry, that did not work when I tried to.
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#13
phillpower2

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Please remove all Ram and power on the notebook to see if the behaviour of the notebook changes, any error beeps for example!

If there is no change I am sorry to say that you may be looking at a defective MB or CPU :(
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