Have a N100 notebook and battery does not recharge and now runs on AC power but would shut off by itself very shortly after switching it on. Brought a new AC adapter and battery straight from the lenovo website, received it, but did not solve the problem. I called lenovo directly they are not sure what could be the cause of the problem. They never heard of this problem. Laptop is only a year or so old, and only use couple hours a day. Wondering if anyone have the same problem and had it resolve, I would appreciate any insights you can offer. Thank you in advance for you help! Hello. My N100 0768 is running Vusta. It will not charge the battery and it shuts down at random times but never gets hot. It lasted 6 minutes the first time I tried to boot it after I got it back from an authorized Lenovo repair shop, and then when I reboot it again it lasted only 3 minutes. Lenovo replaced the fan, and that resolved the shut down problem for less than 30 days. Just yesterday, the repair shop replaced the mother board and then the CPU, that did not resolve the problem. It seems that the longer the laptop is turned off, the longer it will stay on once it is booted. It does not even stay on long enough for me to backup all my files. Lenovo wants me to restore it to the factory defaults, and that means I will lose all my programs and all my data. The shut down occurs even if I do not load Vista.
Re: power shut down on the lenovo 3000 n100 laptop
Pull out the battery. Open the panel on the
bottom that has the fan and remove the fan and heat sink. Clean the top
of cpu, put some thermal paste on the cpu and put it all back to
gether. Thow the battery away. Run off ac adapter. Buy a new battery
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1. Pull out the battery.
2. Open the panel on the
bottom that has the fan and remove the fan and heat sink.
3. Clean the top
4. Put some thermal paste on the cpu 5. Put it all back together.
6. Safely dispose of the battery, If you plug the battery back in you will have to go through the whole process again7. Run off ac adapter.
8. Buy a new battery.
If you are running on battery power and it powers off, then the battery is not fully charged or the battery is worn out or faulty.
Rechargeable batteries have a finite number of charge and discharge cycles and after 2 or more years they will lose its charge capacity until it will not charge at all.
A new battery will solve your problem provided the charging circuit in the laptop is OK.
Hi.. I have a temporary solution to your problem. I had the same problem. Remove the battery and the ac adapter from the laptop. Just reconnect the ac adapter without the battery and switch on the lap. Presto.. Problem solved.. It doesnt power off anymore unless u remove the ac adaptor. Usefull if u hav needed files n want 2 create a backup. Still i havent found out a permanent solution to this problem. I suspect its a motherboard fault
I had posted the Aug 19, 2008 comment about having this problem twice. I tried a new universal AC adapter, and it worked! (new adapter is a Targus APA63US) Now battery is charging and laptop also runs on AC alone. So perhaps it's an adapter problem instead of a battery problem. Get one at a store with a good return policy, so if it doesn't work for you, just return it. And if it does work, then happier days. I've had mine about 2 weeks. So far so good, though with what I've learned about Lenovo since having this problem, it wouldn't surprise me if something else goes wrong, or if the damn thing just blew up, ha ha. Also, this adapter set me back about $100 that I really should not have needed to spend! arrgggh ...
Cheers and Best of Luck and hope this helps other frustrated Lenovo owners!
I've done a lot of laptop repair, and have run into similar issues with various laptops. What you've described sounds to me like a problem in the power circuit on the motherboard. There are a number of things that can cause this, and, generally, none of them are an easy fix - blown capacitor, bad power IC, bridged leads on a relay. If you have any experience working with integrated circuits, you can always test the power loop on the laptop with a multimeter. However, you may want to look into obtaining a warranty repair, or purchasing an extended warranty so that you can get a warranty repair; if there has been no user error(i.e. fluids spilled on the computer, dropped computer, left in excessive heat or humidity), then its a factory defect on the motherboard.