Lenovo MIIX 2 8 Power system checkout, Checking the AC adapter, Checking operational charging

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General checkout

Power system checkout

To verify a symptom, follow the steps below:

1.Turn off the computer.

2.Connect the AC adapter.

3.Make sure that power is supplied when you turn on the computer.

4.Turn off the computer.

5.Disconnect the AC adapter.

6.Make sure that the battery pack supplies power when you turn on the computer.

If you suspect a power problem, see the appropriate one of the following power supply checkouts:

•“Checking the AC adapter” on page 21

•“Checking operational charging” on page 21

Checking the AC adapter

You are here because the computer fails only when the AC adapter is used.

•If the power-on indicator does not turn on, check the power cord of the AC adapter for correct continuity and installation.

•If the computer does not charge during operation, go to “Checking operational charging”.

To check the AC adapter, follow the steps below:

1.Unplug the AC adapter cable from the computer.

2.Measure the output voltage at the plug of the AC adapter cable. See the following figure:

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Note: Output voltage for the AC adapter pin No. 2 may differ from the one you are servicing.

3.If the voltage is not correct, replace the AC adapter.

4.If the voltage is acceptable, do the following:

•Replace the system board.

•If the problem continues, go to “Lenovo IdeaPad Miix 2 8” on page 26. Note: Noise from the AC adapter does not always indicate a defect.

Checking operational charging

To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

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Contents Lenovo IdeaPad Miix 2 Page Contents Lenovo IdeaPad Miix 2 About this manualSafety information General safety Electrical safety IdeaPad Miix 2 8 Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notice Safety notices multilingual translationsIdeaPad Miix 2 8 Hardware Maintenance Manual About this manual IdeaPad Miix 2 8 Hardware Maintenance Manual About this manual IdeaPad Miix 2 8 Hardware Maintenance Manual About this manual Laser compliance statement About this manual Strategy for replacing FRUs Important service informationImportant notice for replacing a system board Important service informationOriginal part Important information about replacing RoHS compliant FRUsImportant notes General checkoutWhat to do first Following are not covered under warrantyChecking the AC adapter Power system checkoutChecking operational charging IdeaPad Miix 2 8 Hardware Maintenance Manual Restoring the factory contents by using Recovery system Related service informationPower-on password PasswordsSupervisor password Screen blank mode Power managementPutting your tablet to sleep Lenovo IdeaPad Miix 2 SpecificationsLenovo IdeaPad Miix 2 Screw notices FRU replacement noticesRemoving and replacing an FRU Removal step of LCD cover LCD coverFor access, remove this FRU LCD cover on Battery packIdeaPad Miix 2 8 Hardware Maintenance Manual 1030 3G card on select models When installingRemove the 3G card in the direction shown by arrow Removal steps of speakers SpeakersRemove the speakers in the direction shown by arrow Important notices for handling the system board System boardRemoval steps of system board Removal steps of integrated camera Integrated cameraIdeaPad Miix 2 8 Hardware Maintenance Manual Top view LocationsFront view Bottom view Right-side view Parts list Overall Parts list-Overall IdeaPad Miix 2 8 Hardware Maintenance Manual Miscellaneous parts Screws Parts list-ScrewsAC adapters IdeaPad Miix 2 8 Hardware Maintenance Manual Trademarks

MIIX 2 8 specifications

The Lenovo MIIX 2 8 is a compact and versatile 2-in-1 tablet designed for users who seek both portability and performance. Released as a part of Lenovo's MIIX series, it combines the functionality of a tablet with the productivity capabilities of a laptop, making it an appealing choice for professionals, students, and casual users alike.

One of the most striking features of the MIIX 2 8 is its 8-inch IPS display, offering a resolution of 1280 x 800 pixels. This screen delivers vibrant colors and wide viewing angles, enhancing the overall user experience whether you are watching videos, viewing images, or reading documents. The device's lightweight design, weighing in at just over 0.5 kg, allows users to carry it around effortlessly, making it an ideal choice for on-the-go computing.

Under the hood, the Lenovo MIIX 2 8 is powered by an Intel Atom processor, which provides efficient performance for everyday tasks such as web browsing, document editing, and streaming multimedia content. With 2GB of RAM and options for storage up to 32GB or 64GB, users have sufficient space for apps, files, and media. Additionally, the device supports microSD card expansion, allowing further storage flexibility.

The MIIX 2 8 runs on Windows 8.1, enabling users to take full advantage of a familiar desktop environment, full Microsoft Office compatibility, and access to the extensive Windows Store. This integration of software not only enhances productivity but also allows for multitasking capabilities, making it suitable for both work and leisure.

For connectivity, the device comes equipped with Wi-Fi and Bluetooth capabilities, facilitating seamless connection to the internet and various peripherals. The front and rear cameras, with 1.6MP and 5MP respectively, enable users to engage in video calls or capture moments on the go, adding to the versatility of the tablet.

In terms of battery life, the Lenovo MIIX 2 8 boasts up to 8 hours of usage, ensuring that users can rely on it throughout their day without the constant need for charging. The device’s combination of design, performance, and functionality makes the Lenovo MIIX 2 8 a noteworthy option for those in search of a seamless blend of tablet agility and laptop productivity.
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