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WARNING: Before you start troubleshooting remember that you
are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php
Only work inside the computer case when the power has been
switched off and disconnected. Never open the power source.
Some of the below steps
recommend removing physical parts within the computer.
While in the computer it is
highly recommend that you be aware of ESD and its potential hazards.
Remove the memory modules from their slots. Take the opportunity to clean the
slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with
a soft cloth.
Do not use a metallic vacuum cleaner if it touches any
component it may create a short and cause damage to the motherboard or other
Do not use solvent that may attract
dust and never poke things like cotton buds in to slots. lightly
rub an alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do
the work on the copper gold or silver tabs and r
Allow the pins to dry.
They will air dry in a matter of minutes
If reseating the memory did not
resolve the issue try swapping the location of the memory.
If you have only one stick of
memory in the computer try moving it to another slot and then boot the
Check the memory module and memory slot contacts.
They are either copper tin or gold.
The colour will tell you which they are.
Mixing tin and gold can result in corrosion that prevents
Look for any sign of physical damage to the memory module,
memory slots or the motherboard.
Reseat the memory modules.
You should hear an audible click when they are in place.
Do not use too much force to reseat the memory module in to
the slot this can cause damage to the module, slot or motherboard.
The hardware that you are trying to access is damaged or
failing. Could be a problem with the Hard Drive or the Hard drives
PCB http://www.onepcbsolution.com/ http://www.youtube.com/watch?v=du0Qd_3wFWM
There is a connection problem such as a bad cable
Test all power and data leads that attach to your hard drive SATA
the leads from your MOTHERBOARD TO THE
HARD DRIVE make sure they have a
secure dust free connections and are not faulty.
Although it would be very rare for the sata lead to be
Make sure all leads that are attached to your drives
dvd\cd have secure connections and are not faulty
Computers need power and data to travel through
every working device and continue its cycle and have an end so any faulty leads
will end up with a computer error also There are several possible reasons the computer may not be
The connections may be loose or damaged.
The AC adapter or power cord may no longer be functioning.
The battery may be defective or no longer working; or the
battery may need to be reset or recalibrated.
If these methods do not solve the issue with your Acer
Aspire, contact Acer support for further troubleshooting options.
Inspect the AC adapter to be certain it is fully connected to the computer.
If the connection is loose, contact Acer for repair service
Online Product Supporthttp://acer.custhelp.com/app/answers/detail/a_id/4/kw/battery
Check the AC adapter connection to the power cord. If the
cord will not stay connected , there may be a defect in the power cord.
Contact Acer for service options or replacement parts.
If the adapter is connected to a power strip, make sure the
strip is powered on and is fully connected to the wall socket.
Connect the adapter to a different electrical outlet if
After verifying all connections, attempt to power the
If the computer does not turn on, try power reset.
Disconnect the battery, and detach the AC adapter from the
Push the power button, and hold it for 30 seconds.
Reattach the battery.
Reconnect the AC adapter to the computer and a functioning
Press the power button. If the computer does not power on,
attempt to power on without the battery.
on Without the Battery
Shut down the computer.
Remove the battery from its compartment.
Connect the AC adapter and power cord.
Verify that the power cord is connected to a functioning
Press the power button. If this method is successful, the
battery may need replacing.
Attach the notebook to the AC adapter, and allow the battery
to fully charge.
You can run the computer by just using the power adapter. Take out the battery and turn on the computer just using the power adapter. If the computer wont turn on then possible problem would be the power adapter itself or the socket where you connected the power adapter to your computer.
You need to send the computer to Lenovo depot repair center for repair.You may try to use other lenovo adapters just to check if the adapter is the problem.
You may first try performing the steps mentioned below:
1) Connect the AC adapter into a known working AC outlet and to the DC jack on the notebook. 2) Verify the correct AC adapter is being used, and not a third-party replacement AC adapter. 3) Do not connect the AC adapter to a surge protector or extension cord. 4) If the DC jack on the computer is loose or damaged, the computer may require service. 5) Some AC adapters have a POWER LED indicator and can be confirmed as receiving power by ensuring the LED is lit. If the AC adapter is damaged, or the LED is not lit or continuously flickers when plugged into a working AC outlet, the adapter must be replaced. 6) Attempt to turn on the computer normally. 7) Press and hold the Power Switch for 5 seconds. 8) Remove the battery. 9) Disconnect the AC power adapter. 10) Press and hold the Power Switch for 5 seconds. 11) Connect the AC power adapter. 12) Attempt to turn on the computer. NOTE: If the computer turns on without the battery, connect and charge the battery for 24 hours. 13) Disconnect all external devices that are connected to the computer. 14) Attempt to turn on the computer. 15) Remove any additional Random Access Memory (RAM) that was installed in the computer. 16) Attempt to turn on the computer. 17) The troubleshooting steps listed above should resolve your issue. If you have completed all of the steps and the issue is not resolved, service may be required.
Sounds like a build up of static electricity. Try doing a power discharge.
1: Take out the battery. 2: From the adapter box (not the wall) unplug the power cord. 3: Press the power button 10 times. On the eleventh time hold it down between 25-35 seconds. 4: Plug in batter and power cord.
The computer should turn on. If not, the most likely cause is the system board or the AC adapter. You might want to try another AC adapter to ensure that the adapter is not the issue. If it's not the AC adapter then the system board is most likely dead and you need to call Lenovo (800-426-7378) to see if you're under warranty and can get the computer fixed.
I believe the power system there is different and unstable at best. Get yourself a computer travel kit that has all the different charger adapters for what country and power grid you are going to be in. I know I was in Macy's the other day and they had a decent one that had a multitude of adapter tips and voltage settings for under 30 bucks.
When you plug in the adapter into the laptop a LED lights up to indicate that it is connected to the mains supply and is charging. The adapter is faulty or the connector is not making proper electrical contact. Wriggle the connector plug to see if the charge light comes on, if it does then the loose connector needs repairing.
Check the adapter with a multi-meter, the voltage reading should be a slightly higher than the voltage that is printed on the label on the adapter. If the voltage is more than 10% below the nominated voltage then replace the adapter it is faulty.
If the ac adapter was plugged into the laptop at the time may be bad news. Unplug AC adapter, take out the battery and hold power button for 10 seconds. Then connect AC adapter and hit power. If that doesn't work put battery back in without ac adapter and hit power button.
If neither test works bring to repair center for diagnosis. Best case AC adapter would need replacing. Worst case Motherboard fried.