Lenovo 27 Series manual Troubleshooting Problems Hard Disks

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Troubleshooting Problems Hard Disks

Problem: The capacity of the hard disk, as indicated by the system, is less than the nominal capacity.

Troubleshooting and problem resolution: For computers equipped with the OneKey Recovery feature, the system recovery feature needs to occupy some hard disk space. This may account for the apparent hard disk capacity deficit.

Further Technical Explanation: The nominal capacity of the hard disk is expressed in the decimal system as 1000 bytes. But the actual hard disk capacity is expressed in the binary system as 1024 bytes (For example, the nominal capacity 1G is 1000M, while the actual capacity 1G is 1024M).

The capacity of the hard disk shown in Windows can be calculated according to the calculations in the following example:

The nominal capacity of the hard disk is 40G, while its actual capacity should be: 40 x 1000 x 1000 x 1000/(1024 x 1024 x 1024) = 37G.

If the Service partition of 3G - 3 x 1000 x 1000 x 1000/(1024 x 1024 x 1024) = 2.79G is subtracted, the capacity of the hard disk shown in the system can be obtained.

The capacity of the hard disk as calculated using this method may be slightly different from the actual capacity due to the rounding of totals.

Special considerations for troubleshooting Windows

Record the following information as it may be useful later when troubleshooting system problems:

The drivers for this computer model only support the Windows 8 system.

User Guide 35

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Contents Lenovo IdeaCentre Horizon 27 Series Important Safety Information Page Contents Using the Rescue System Using the Computer Hardware Front view of the computer Left and right view of the computer Rear view of the computer Connecting your computer Computer standImportant information about using the computer Hold the computer tightly when you carry it Connecting to the Internet Using the E-Dice Dice Components and Connectors Charging the E-DicePlaying with the E-Dice Use and Maintenance Using Windows Charms Bar Switching between the main Windows 8 interfacesShutting down the computer Switching between apps Closing an appOpening other system programs Windows Help and SupportUser Guide Touch screen instructions  Touch Screen CalibrationTouch Screen Calibration User Gesture Instructions for the Touch screenBasic Hand Gestures User Guide User Guide Related Touch Screen Settings Precautions when using the Touch Screen User Guide Using the Rescue System OneKey Recovery Driver and Application Installation Method 1 Automatic InstallationUser Guide Using the Software Lenovo Support RegistrationTroubleshooting Confirming Setup Solving Problems Troubleshooting Display ProblemsTroubleshooting Touch screen Troubleshooting Audio ProblemsTroubleshooting Software Problems Troubleshooting Problems Hard Disks Special considerations for troubleshooting WindowsBios setup utility Performing Daily Maintenance Tasks User Guide Appendix DeclarationTrademarks Energy Star Statement 10109/6266Enabling ErP compliance mode

27 Series specifications

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Overall, the Lenovo 27 Series monitors exemplify a perfect balance of performance, design, and technology. With its high-resolution display, rapid refresh rates, versatile connectivity options, and user-focused features, the 27 Series is a compelling choice for anyone seeking an upgraded viewing experience, whether for work, gaming, or multimedia consumption.