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General| Processor cache | 1 MB |
|---|---|
| Processor cores | 2 |
| Processor model | E2-1800 |
| 64-bit computing | Yes |
| Processor family | AMD E |
| Processor frequency | 1.7 GHz |
| Processor cache type | L2 |
| Processor manufacturer | AMD |
| Product type | All-in-One PC |
| Motherboard chipset | - |
| Internal memory | 4 GB |
| Memory clock speed | - MHz |
| Internal memory type | DDR3-SDRAM |
| Maximum internal memory | 8 GB |
| HDD speed | 7200 RPM |
| Storage media | HDD |
| Optical drive type | DVD±RW |
| Total storage capacity | 1000 GB |
| Compatible memory cards | Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC |
| Number of storage drives installed | 1 |
| Autonomy mode | No |
| Display diagonal | 20 \ |
| Display resolution | 1600 x 900 pixels |
| Native aspect ratio | 16:9 |
| On-board graphics card model | AMD Radeon HD 7340 |
| On-board graphics card family | AMD Radeon HD 7000 |
| Total megapixels | - MP |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| Thunderbolt ports quantity | 0 |
| Product color | Black |
| Operating system installed | Windows 8 |
| Operating system architecture | 64-bit |
| AC adapter frequency | 50/60 Hz |
| AC adapter input voltage | 100 - 240 V |
Weight and Dimensions| Depth (with stand) | 196 mm |
|---|---|
| Width (with stand) | 499 mm |
| Height (with stand) | 397 mm |
| Weight (with stand) | 4890 g |
Provides essential safety guidelines and warnings before servicing the computer.
Outlines general safety rules and practices to follow during maintenance and operation.
Details precautions and hazards related to electrical components and power sources.
A checklist to identify potential hazards before performing service on the computer.
Instructions for protecting sensitive electronic components from ESD damage.
Explains the necessity of proper electrical grounding for safety and system operation.
Lists important safety warnings and cautions, including those for electrical storms and cable handling.
Lists the physical and environmental specifications for the Lenovo C345/C445 computer.
Details how to access and launch the BIOS Setup Utility program on the computer.
Explains how to navigate and modify system configuration options within the BIOS Setup Utility.
Describes how to set, change, or delete Administrator and Power-On passwords for security.
Guides users on how to enable or disable various hardware devices like USB and audio controllers.
Provides methods for selecting temporary startup devices and changing the permanent boot sequence.
Explains the steps for saving or discarding changes and exiting the BIOS Setup Utility program.
Lists causes and solutions for boot errors related to the hard disk drive.
Provides procedures to follow when suspecting issues with the computer's power supply.
Explains Power-On Self-Test (POST) error messages and their potential causes or actions.
Outlines a systematic process for identifying and resolving issues when the cause is not obvious.
Illustrates the location of controls and components on the front of the computer.
Shows the location of connectors and components on the left and right sides of the computer.
Depicts the connectors and components found on the rear of the computer.
Provides an illustration and list of the internal components that make up the computer.
Shows the location of connectors and components specifically on the computer's motherboard.
Provides general guidelines and pre-disassembly instructions before performing hardware replacements.
Step-by-step instructions for replacing the keyboard and mouse components.
Procedure for replacing the external power adapter of the computer.
Detailed steps for safely removing the computer's stand base.
Instructions for removing the foot cover of the computer.
Step-by-step guide for replacing or upgrading the computer's memory modules.
Instructions on how to remove and replace the computer's hard disk drive.
Procedure for removing and replacing the computer's optical drive.
Detailed steps for safely removing the computer's stand holder.
Instructions for removing the middle cover to access internal components.
Steps to replace the converter board within the computer.
Procedure for replacing the built-in camera module.
Instructions for removing the Electromagnetic Interference (EMI) cover.
Steps to remove and replace the rear input/output module.
Procedure for replacing the computer's speaker system.
Instructions on how to remove and replace the system cooling fan.
Procedure for removing and replacing the CPU heat-sink assembly.
Steps to remove and replace the TV tuner card, if installed.
Procedure for removing and replacing the wireless local area network (WLAN) card.
Instructions for removing and replacing the front control board.
Steps to remove and replace the power switch board.
Detailed procedure for removing and replacing the main system motherboard.
Instructions for removing and replacing the Light Emitting Diode (LED) display panel.
Provides supplementary information useful for service representatives.
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