Lenovo IdeaTab A1107 Support Question
Lenovo IdeaTab A1107 Support Question
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Question posted by slaBillBr on August 2nd, 2014
Lenova Ideatab A1107 Won't Turn On
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Current Answers
Answer #1: Posted by freginold on October 9th, 2014 3:39 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
When a laptop won't power on, it's often because of one of four things: the battery, the battery charger/AC adapter, the power board/battery charging board (if the laptop has one), or the motherboard. Without being able to troubleshoot the laptop, it's almost impossible to say for sure which of the components is causing the problem.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
Related Lenovo IdeaTab A1107 Manual Pages
Hardware Maintenance Manual - Page 3
... checkout 21
Checking the AC adapter 21 Checking operational charging 21 Checking the battery pack 22
Related service information 23 Passwords 23 Power management 23
Turning Screen Backlight On/Off 23
Lenovo IdeaPad Tablet A1-07 24 Specifications 24 FRU replacement notices 26
Screw notices 26 Removing and replacing an FRU...
Hardware Maintenance Manual - Page 9
... covered by this inspection guide is to measure third-wire ground continuity for 0.1 ohm or less between the external ground pin and the frame ground. Turn off , and the power cord disconnected.
c. Remove the cover. 6. Check for cracked or bulging batteries. 5. Checklist: 1. Check for worn, frayed, or pinched cables. 9. Use good...
Hardware Maintenance Manual - Page 24
..., accident, modification, unsuitable physical or operating environment, or improper maintenance by nonwarranted activities: • Missing parts might indicate damage caused by the customer. Date on laptop products
The following symptoms might be a symptom of unauthorized service or modification. • If the spindle of service 3. Procedure index and page number in the...
Hardware Maintenance Manual - Page 25
...only when the AC adapter is not correct, replace the AC adapter. 4. Remove the battery pack. 3. Turn off the computer. 2. See the
following figure:
Pin
Voltage (V DC)
1
+20
2
0
2 1...discharged battery pack or a battery pack that the battery pack supplies power when you turn on the computer. 5. Turn off the computer. 6. Make sure that power is acceptable, do the following power ...
Hardware Maintenance Manual - Page 26
... icon tray of the Windows® taskbar and wait for a while. Note: If the battery pack becomes hot, it ), and the percentage of its capacity. Turn off , replace the battery pack. If the voltage is displayed. If it . To check your battery, move your cursor to 100% of battery power remaining...
Hardware Maintenance Manual - Page 27
... do not use it temporarily, you can tap the "Power" button on its upper right to turn off the screen backlight.
A1-07 HMM_EN.book Page 23 Wednesday, September 28, 2011 5:06 PM...displayed as **** as you input it , thereby making your password will be visible as you input it . Turning Screen Backlight On/Off
In the standby mode, you can tap the "Power" button on . Your IdeaPad ...
Hardware Maintenance Manual - Page 30
... • Each one should be used only once. Tighten screws as follows: • Plastic to plastic
Turn an additional 90° after the screw head touches the surface of the plastic part:
more than 90&#...176;
(Cross-section)
• Logic card to plastic Turn an additional 180° after the screw head touches the surface of the logic card:
more than 180...
Hardware Maintenance Manual - Page 31
... are loose inside the computer. Follow the correct sequence in the steps to replace an FRU, turn off the computer, unplug all screws, springs, and other small parts are in which they are listed... and
certified. To put the new FRU in place, reverse the removal procedures and follow any FRU, turn it in the direction as shown in the figure. 6.
An untrained person runs the risk of the ...
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