Question about Computers & Internet
You will have to troubleshoot and find out where the fault is.
Here is what I do…..
First, check the Power is ON, cable is OK and IN PC,
Then open PC up, and remove all power connections from everything EXCEPT the Motherboard Connector.(s) (Remember where they go, draw a diagram etc)
Power the computer up, and does it switch on? NO, Then, remove the RAM, does it Boot up? YES Faulty RAM, replace. If it still does NOT then your Power Supply Unit is probably Faulty.(But it may be the motherboard) either way we need to test more with a known good power supply.
With know good PSU, plug this one into the Motherboard Connection(s). Does it work, YES. Problem Solved.
OK back to Frst: Because it DID go the PSU WAS OK,
The MB was OK & the RAM was OK,
Now then we plug in each of the other Items, DVD Hard Drive, etc, etc. One-at-a-time, until we find the one that stops the PSU. (It has protection and will "Shutdown in event of a fault")
The one that stops the PSU is your culprit, replace whatever it is.
Service manual above, use this to learn how to troubleshoot, and possibly repair your laptop. use the above procedure to see if it is battery or PSU.?
Owners manual below. http://support.dell.com/support/edocs/systems/ins2200/en/om/D88330a.pdf
Posted on May 06, 2010
lets start by taking out the battery from the laptop and then unplug the power, leave it out for a few minutes and press and hold the power button down for at least 15 seconds.
then reconnect the power adapter without the battery and try turning it on. If noting happens. Then the issue is either the power supply has gone bad, or the laptop has failed. 6 years is pretty good from such a laptop.
Try another power supply, you can get a generic power supply at almost any computer store. Just make sure you match the voltage and the polarity of the connector when using a universal adapter.
if you don't want to spend much money on a new power supply we can test the old one. You are going to need a 24volt car lamp, solder two wires to the appropriate places on the lamp then connect the wires to the plug that is supposed to go to the laptop. If you get a steady light the power supply might be OK, use a multimeter or volt meter to check that the voltage matches the output, also measure the voltage while connected to the lamp, if the voltage goes down or doesn't stay steady, then most likely the power supply is bad. Go try the new power supply.
If the laptop still remains dead the issue is internal, most likely the main board, we don't have many options on what could have failed. Your going to need a experienced repairer to get the machine working again, these boards are very complex and hardly no one is going to attempt a repair, most shops and people will tell you to replace the motherboard which is definitely not worth it in this case, you can get a cheap new laptop with warranty for less than the repair.
Posted on May 06, 2010
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Posted on Jan 02, 2017
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