Tip & How-To about Lenovo Yoga Tablet 10 HD 59411049 - Silver - Qualcomm Snapdragon APQ8028 1.60GHz 1MB

DISSEMBLING AND CHARGER TESTING

LENOVO YOGATABLET 10 HD+
DISSEMBLING AND CHARGER TESTING
Checking the Computer AC Charger
When you use the computer AC Charger to charge the tablet but no power is charged, see the instructions in this topic to check the computer AC Charger. To check the computer AC Charger, do the following:
1. Disconnect the micro-USB cable from the tablet.
2. Measure the output voltage across the connector marked B of the micro-USB cable. Refer to the following figure:

For more pictures and description check the bellow link. On the search tap type lenovo.

www.electro-medical.blogspot.com/

google.com/+AjinGopakumar

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Lenovo Yoga Tablet 10 HD 59411049 - Silver - Qualcomm Snapdragon APQ8028 1.60GHz 1MB Logo

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2 Answers

My lenovo G550 appears not to charge when the charger is plugged in despite turning the mains power on and off to see if power is getting though and the blue neon light showing on the mains adapter. Just now it switched off though lower power despite a fully light up charger being connect, then when off the amber light flashed slowly, powered it up and now its charging. Surely I should not have to let it die or turn off to get charge through any ideas. Marc


Hi m529,

I see you are having issues with you G550 charging.

You mentioned that the light on the charger is lit up but then it suddenly switches Off, and you also mentioned that the charge still has a light but the power is somewhat low despite of a fully lit up charger Light.

Have you tried draining the power from the system?

  • Remove the battery and the Charger or AC Adapter as well call it from the G550 then press and hold down the power button for 10-15 seconds to drain power from the system motherboard.
  • Once drained connect the AC adapter but do not connect the battery yet, then turn the Laptop ON to see if the system will power ON using the AC adapter/Charger if it powers up then there is no problem with the AC adapter/charger.
  • After testing the AC adapter if it is working power down the Laptop doing a normal shut down.
  • Once shut down or turned Off insert the Battery back in the Laptop then turn the Laptop ON using the battery only without the AC adapter/charger see if the system will turn ON using the Battery only.
  • If the Laptop powers On using the battery alone with out the AC adapter then the battery is most likely working as well on the issue.
  • Now power down the Laptop then connect the AC adapter to the Laptop with the Battery in the Laptop as well then turn the system ON again see if the problem will Occur again having the battery and the AC adapter/charger if the Problem happens with both Battery and AC adapter on the Laptop then the problem is the Motherboard, most probably the motherboard is having issues relaying power from the AC adapter to the battery and may be sent to the Depot for repairs.
I suggest that you call Lenovo for further information about your system, if you still have warranty and is still in the one year period then your system will be covered for any repairs needed - you can call @ 1 877 453 6686 for troubleshooting, you will be asked for a serial number Located underneath the Laptop on a small white sticker that states s/n meaning serial number.

I hope that this Helps.

Have a nice day,

mvincentc

Jun 18, 2011 | Lenovo G550 PC Notebook

1 Answer

The laptop lenovo z560 does not switch on. With battery it shows 2 short flashes of battery charge idicator, an one long (about 10 sec) and than nothing is happening. Withou battery nothing happens after charger connected.


Hi smialkovskyi,

With this specific concern that you do have, unable to turn on your Lenovo Z560, there 3 components that need to be checked. Your battery, the AC adapter (charger) and as well as the DC In port.

1.Based on what you have said, with the battery alone you have noticed that it's led indicator will show however still can't turn on system. Battery seems to be in good condition however no enough charge to turn on the system.

2. For your AC adapter, when you're using it without the battery nothing happens. To check if this is defective try using another AC adapter that is compatible to your unit. If your computer turned on using another AC adapter then your charger needs replacement. (You may also try using your charger to other unit where it is compatible, just to test).

3. However, if after doing the previous instruction and still system won't turn on then it could be the DC In port which is defective. This port is built in to *********** board.

After doing all these you need to contact Lenovo. They might be replacing your charger or *********** board if system is under warranty.

Hope this helps.

Thank you for using Fixya.

Jan 28, 2011 | Lifetime Lenovo/IBM IdeaPad Z560...

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