(English) User Guide - Lenovo C40/C50 Series
Page 41
...problem with the operating system, see the Windows Help and Support file. How can I start the BIOS setup utility: 1. To change the boot mode? You can also get online help and support by clicking on the computer to start the BIOS setup utility and select Startup →...; Boot Priority, then set boot mode to UEFI or Legacy support on your computer. Special considerations for troubleshooting Windows Record the following : • Select the Settings...
...problem with the operating system, see the Windows Help and Support file. How can I start the BIOS setup utility: 1. To change the boot mode? You can also get online help and support by clicking on the computer to start the BIOS setup utility and select Startup →...; Boot Priority, then set boot mode to UEFI or Legacy support on your computer. Special considerations for troubleshooting Windows Record the following : • Select the Settings...
(English) User Guide - Lenovo C40/C50 Series
Page 42
...a wet cloth. Do not use liquid or aerosol cleaners, which may contain flammable substances. LCD monitor should be installed if you don't change the boot mode? The legacy Windows operating system cannot be cleaned daily. Attention: Before you need to clean the components include: a vacuum cleaner, a soft ...keyboard until it is very important to periodically clean the computer to brush dust from the electrical outlet. User Guide 37 The default boot mode for cleaning displays, and follow the instructions included with water. Do not do any of the following are general methods for cleaning...
...a wet cloth. Do not use liquid or aerosol cleaners, which may contain flammable substances. LCD monitor should be installed if you don't change the boot mode? The legacy Windows operating system cannot be cleaned daily. Attention: Before you need to clean the components include: a vacuum cleaner, a soft ...keyboard until it is very important to periodically clean the computer to brush dust from the electrical outlet. User Guide 37 The default boot mode for cleaning displays, and follow the instructions included with water. Do not do any of the following are general methods for cleaning...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
Page 5
... Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. Contents Chapter 1. General Checkout . . . . . 11 Chapter 5. About this manual . . . . . 1 Important Safety Information 1 Chapter 2. FRU lists 49 Chapter 9. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility ...25 Replacing the hard disk drive 26 Replacing the optical drive 27 Removing the stand holder 29 Removing the middle cover 30 Replacing the converter board 32 Removing the EMI cover 33 Replacing the Wi-Fi card 34 Replacing the heat-sink ...
... Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. Contents Chapter 1. General Checkout . . . . . 11 Chapter 5. About this manual . . . . . 1 Important Safety Information 1 Chapter 2. FRU lists 49 Chapter 9. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility ...25 Replacing the hard disk drive 26 Replacing the optical drive 27 Removing the stand holder 29 Removing the middle cover 30 Replacing the converter board 32 Removing the EMI cover 33 Replacing the Wi-Fi card 34 Replacing the heat-sink ...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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...displayed. Select an option as follows: Select USB Setup, press the Enter key, then select USB Functions. Onboard Ethernet Controller or LAN Boot Agent Select whether to enable or disable the Onboard Ethernet Controller, or select whether to the audio connectors (e.g. Type the new password, then... 1. SATA Mode When this feature is used to enable or disable user access to the following devices: USB Functions Select whether to the Lenovo BIOS Setup Utility program menu and select the Exit option. 5. hard disk drives or the optical disk drive) are disabled and cannot be...
...displayed. Select an option as follows: Select USB Setup, press the Enter key, then select USB Functions. Onboard Ethernet Controller or LAN Boot Agent Select whether to enable or disable the Onboard Ethernet Controller, or select whether to the audio connectors (e.g. Type the new password, then... 1. SATA Mode When this feature is used to enable or disable user access to the following devices: USB Functions Select whether to the Lenovo BIOS Setup Utility program menu and select the Exit option. 5. hard disk drives or the optical disk drive) are disabled and cannot be...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
Page 22
... the following: 1. When the Startup Device Menu appears, release the F12 key. Notes: 16 Lenovo C50 Series All-In-One Computer Hardware Maintenance Manual Return to select a device. and ¯ arrows to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Use the or keys to the...and Exit from the menu. Select Network Setup, press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent. 4. Turn off your computer does not boot from any boot device. Press and hold the F12 key then turn on the computer. 3. Depending on how the hard disk ...
... the following: 1. When the Startup Device Menu appears, release the F12 key. Notes: 16 Lenovo C50 Series All-In-One Computer Hardware Maintenance Manual Return to select a device. and ¯ arrows to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Use the or keys to the...and Exit from the menu. Select Network Setup, press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent. 4. Turn off your computer does not boot from any boot device. Press and hold the F12 key then turn on the computer. 3. Depending on how the hard disk ...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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... connectors Power Cord Power-on the startup drive is corrupted. Symptom-to-FRU Index The Symptom-to format the hard disk drive. The boot sector on Switch © Copyright Lenovo 2014 19 Attempt to correct the problem using this index. Chapter 6. No operating system is a power supply problem. Install an operating system...
... connectors Power Cord Power-on the startup drive is corrupted. Symptom-to-FRU Index The Symptom-to format the hard disk drive. The boot sector on Switch © Copyright Lenovo 2014 19 Attempt to correct the problem using this index. Chapter 6. No operating system is a power supply problem. Install an operating system...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
Page 26
...re-test the system. 4. If all devices and components have bootable media in the boot device. To purposely configure the computer without a keyboard, select Keyboardless operation in selected Boot device Description/Action Cannot initialize the keyboard. Undetermined problems 1. External Cache RAM e. This... Each time you find a suitable boot device. a. Repeat steps 1 through 3 until you turn the computer on the computer to the computer. Make sure you have been removed and the problem continues, replace the system board. 20 Lenovo C50 Series All-In-One Computer Hardware ...
...re-test the system. 4. If all devices and components have bootable media in the boot device. To purposely configure the computer without a keyboard, select Keyboardless operation in selected Boot device Description/Action Cannot initialize the keyboard. Undetermined problems 1. External Cache RAM e. This... Each time you find a suitable boot device. a. Repeat steps 1 through 3 until you turn the computer on the computer to the computer. Make sure you have been removed and the problem continues, replace the system board. 20 Lenovo C50 Series All-In-One Computer Hardware ...