There are many people having power on issue with their laptop. If the laptop computer is out of warranty and you do not intend on investing the amount of money for a "board-level" repair, it is recommended that you try the methods below to reassemble the laptop and try to power it on again. If you get power, you are lucky, and it only cost you time!

Please do the following items and/or verify them:

1. Laptop Battery or AC Adapter Problem
Try taking the battery out of the laptop and then power it on with AC power only.
Power on with battery only without AC Adapter.
RESOLUTION: Buy a new laptop battery or power cord.
(Info about How to choose a laptop battery)

2. External Device or PCMCIA/CARDBUS removal
Disconnect all USB devices
Inspect all USB ports to ensure they are not broken and causing a short on the system.
Disconnect all Firewire devices
Disconnect all HDMI devices
Disconnect all external VGA devices
Eject and remove all PCMCIA/CARDBUS adapters
Eject and remove all memory stick cards
Disconnect all parallel printers or parallel devices
Disconnect all serial printers or serial devices
RESOLUTION: Replace device causing the issue or fix port if the port is broken.

3. System Memory
Power off the laptop
Disconnect the AC adapter from the laptop
Remove the battery from the laptop
Press and hold the power button for 10 seconds
Prevent static charge - preferably using a wristband
Remove the System Memory (RAM) cover
Remove the system memory out of the laptop
Plug the laptop in
Attempt to power on the laptop - listen for system beeps
Unplug the laptop
Press and hold the power button for 10 seconds
Reinstall the RAM into the laptop
Replace the cover
Plug in the AC adapter
Attempt to power on the laptop
RESOLUTION: Replace the memory if the system powers on with the memory out, but does not power on with the memory in

4. Hard disk drive
Power off the laptop
Disconnect the AC adapter
Remove the battery
Press and hold the power button for 10 seconds
Ground yourself to prevent static discharge - preferably with a grounding wrist strap
Remove the hard drive screws
Remove the hard drive out of the system
Plug the AC Adapter in
Attempt to power on the laptop - listen for system beeps or watch for BIOS information
Unplug the laptop
Press and hold the power button for 10 seconds
Reinstall the hard disk drive
Reconnect the AC Adapter
Attempt to power on the laptop
RESOLUTION: Replace the hard disk drive if the system powers on with the drive removed, but does not power on with the drive installed.

If none of the resolutions or tests provide any insight into the issue then you must disassemble the laptop part for part while attempting to regain power to the system. This includes optical drives and all add-in cards, such as WiFi, bluetooth, or any other factory or non-factory installed cards! If you reach the bare motherboard on the system and the system will not power on, you have a "board-level" issue to contend with. In most cases repairing this type of issue is not worth the cost associated.