I have a t41 that was given to me that i'm trying to fix. The charger and battery seem to work fine but when you press the power button it acts like it is about to boot up for about 3-4 seconds with the symbols flickering and then it just goes to sleep and nothing can wake it up. No screen activity at all. Any suggestions?
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Re: t41 will turn on and then immediatly go to sleep
Check that the hard disk is in working order.
If the hard disk will not spin up... sometimes the system will just shut off.
It may be a bad motherboard.. usually a damaged or failing capacitor will cause the system to not stay powered up long enough.. capacitors usually create a steady flow of electricity... if it can't hold a steady charge it will behave as you've mentioned.
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You can try the steps below.
Try removing the battery and plugin the charger and try turning on.
Do you see any thing displayed on your screen when you switch on?
Please mention the beep pattern, 2 beeps or continuous beep.
Hope this helps. Good Luck
if the laptop is switching between the charger and battery on its own, then that means you have a loose AC Jack on the back of your laptop, it would need to be either resoldered so its not loose anymore or the jack would need to be replaced.
Given that the battery is relatively new, and that it seems to charge
up OK when the machine is not in use, I doubt that this is a hardware
problem. It could also be a normal limitation of the battery, I
suppose, but I find that hard to believe.
My guess is that the problem is software related, and the fact that the
battery does recharge when the laptop is started in ‘safe mode’ or when
it is hibernating. Try that.
Look on the charger itself & it will have the correct output voltage & polarity stamped on the charger. Then get a volt meter to verify if the correct output voltage is present. If the volt meter reads less than what is stamped on the charger, then I would recommend replacing the charger at that point.