That WOULD be the BEST approach...any idea how to fix the acer aspire 2920Z laptop sir? Quote

Before it was felt down on the floor but i tried to turn it on and it seems ok

already disassemble the acer aspire 2920Z sir and clean every thing, remove the cmos battery, put a thermal compound in the cpu hit sink but still when i turn it on the cpu fan turn for about 3 to 5 seconds then after that nothing happen.

Have you tried hooking either laptop to an external monitor and then turning them on? Doing this will rule out the possibility that it could be the screens themselves that are bad.

1. Graphics card --> Given it is an on-board GC device on your laptop(or is not? depends on specs), Does this device can contribute to the cause? Yes.

2. What's also in connection with no display? As Mroilfield had just asked you and posted:

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3. RAM modules --> If you have reseatted one or if there are two RAM in your laptop, have you tried isolating either one or just used one RAM on one slot and alternately using either two slots and rebooted? Then what result it gives?

it has only 1 RAM a 512 DDR2. I already tried other RAM from my other working laptop and the same problem i encounter.

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4. Cables --> Have you rechecked all plugs and cables are placed properly and seated and in good form?

yes, i already double check all the connection and i think all was properly inserted and connected.

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5. Motherboard --> If you had a negative result on  #2, then it might be the mobo.

What if the mobo is defected. it their any way to fix it? i heard and read some article in the net that flashing the bios can help. other thing is by cleaning the mobo using water or a paint tinner. and even re heating the mobo. can this solve my problem? or would it give more damage on my laptop? ANYONE of you tried it already? please give me a feedback.