Question about Compaq Presario 2170US Notebook

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AC/Battery powerup I have a 2170us that will power and run fine on AC power, yet shuts off when AC is disconected. The bateries have been optimized, show 100% charge yet it will not powerup on battery power. Thoughts?

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Re: AC/Battery powerup

Well I think if you a tester test the battery if it is fine. It is not absolute sure that the battery is fine because it shows it is fine from the laptop.

If the battery is fine then there is something wrong at the connection of the battery with the motherboard.

Posted on Jan 31, 2008

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My laptop was shut down, then when I was start it again it doesnt work anymore...What should I do?..please help me, aside from this those keyboards does not functioning correctly in their corresponding...

First thing you do to power your laptop on again try removing the battery and the charger complitly leave it for 10 sec without power then press the on off switch for 2 or 3 times without puting the power or batery later try not to put the battery and put only the power adapter and start your laptop dose it starts if yes good shut it down and put the batery in and start the laptop if its starting and leave it running for cuppul of hours and then again remove the power adapter and let it run the system with batery power if it stays on and fine you are ok and fine there was just a power dump but if it fails in any case like fails to boot with power adapter and so you have adapter issue need to be checked if dosent work with batery it self its a batery issue and needs replacement .
regarding the keyboard issue you can open the kay board and clean it with contact spray if posible.

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I have an m5310 and i have troubles with the battery charge i bought a new battery but is still the same , i plug the notebook to the ac power and batery start to load (the front green light is on ) after...

Try to perform power drain on the motherboard.

heres the steps:
take out the battery
unplug the power adapter
press and hold power button for 30secs
put the battery back in
plug in the power adapter
power on the computer

if same issue will happen then you need a battery replacement.

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I pluged in the power supply and nothing is happening. The small yellow batery icon came on near the screen and nothing else is happening


Remove the mains power lead and then take out the battery. Hold down the on/off button for 30 seconds to dispel any residual power.

Plug in just the mains lead (AC adapter) and see if the machine will boot on mains power only. If it does let it boot up and then shut it down again. Remove AC and reinsert the battery, plug in AC power again and see if it will boot with the battery in.

If it boots up the problem is sorted, if not then there is a problem with battery so you would have to use it on AC only until you find a replacement battery.

Please post back if need anymore help.

Good luck and regards.

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This is usually caused by a bad battery. Sounds like both batteries are not working properly. They may still hold some charge, but they are wearing out. After all, they are batteries, and bateries wear out. Keep in mind that some batteries are better than others, even though they may be the same brand, some will hold a charge longer, and some wear out faster. I'm on my second new battery in a year and a half on my Dell, the first held a great charge but wore out after approx 8 months, the one I'm using now still charges fine but only last about an hour and 15 mins.

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Hi Asadi Hope you doing good. Please try the following solution : 1. Disconnect the power cable. 2. Take out the battery 3. Keep holding down the power button for 60 seconds. 4. Put the battery back in. 5. Connect the power adapter 6. Make sure the Power adapter is switched on and laptop is on AC Power 7. Wait for 5 minutes and try to restart the computer 8. If it still doesn't starts. 9. Hold down the power button for 60 seconds with AC adapter and battery connected 10. Try to restart now and check. 11. If it still doesn't switch on 12. Take out the battery and run on only Ac adapter and restart. Please advise if this still doesn't helps. Regards Harry

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