Lenovo 42825BU, NVS-4200M, 4242X04, 42421A0 manual Troubleshooting Computer problems 227, Iii

Models: 4242X04 NVS-4200M 42421A0 42825BU

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Making sure device drivers are current

222

Getting the latest drivers from the Web site . . 222

Getting the latest drivers using System

 

Update

222

Taking care of your computer

222

Cleaning the cover of your computer . . . .

225

Chapter 10. Troubleshooting

 

computer problems

227

Diagnosing problems

227

Troubleshooting

228

Computer stops responding

228

Spills on the keyboard

229

Error messages

229

Errors without messages

231

Beep errors

232

Memory problems

233

Modem and networking

233

Keyboard and other pointing devices . . . . 240

Display and multimedia devices

241

Fingerprint reader problems

251

Battery and power

251

Drives and other storage devices

255

Software problems

257

Ports and connectors

257

Chapter 11. Getting support . . . .

259

Before you contact Lenovo

259

Register your computer

259

Download system updates

259

Record information

259

Getting help and service

260

Using diagnostic programs

260

Lenovo Support Web site

260

Calling Lenovo

260

Purchasing additional services

261

Appendix A. Regulatory

 

information

263

Wireless related information

263

Location of the UltraConnect wireless

 

antennas

264

Locating wireless regulatory notices . . . .

265

Export classification notice

265

Electronic emission notices

265

Federal Communications Commission

 

Declaration of Conformity

266

Industry Canada Class B emission compliance

 

statement

266

European Union - Compliance to the

 

Electromagnetic Compatibility Directive . . .

266

German Class B compliance statement . . .

267

Korea Class B compliance statement . . . .

267

Japan VCCI Class B compliance statement . . 267

Japan compliance statement for products

 

which connect to the power mains with

 

rated current less than or equal to 20 A per

 

phase

267

Lenovo product service information for

 

Taiwan

268

Appendix B. WEEE and recycling

 

statements

269

EU WEEE statements

269

Battery recycling information for Japan

269

Battery recycling information for Brazil

270

Battery recycling information for Taiwan

270

Battery recycling information for European

 

Union

271

Battery recycling information for United States and

 

Canada

271

Appendix C. Notices

273

Trademarks

274

© Copyright Lenovo 2011

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Lenovo 42825BU, NVS-4200M, 4242X04, 42421A0 manual Troubleshooting Computer problems 227, Iii

4242X04, NVS-4200M, 42421A0, 42825BU specifications

Lenovo offers a diverse range of products tailored to meet the needs of professionals and consumers alike. Among them, models such as the Lenovo 42825BU, 42421A0, and 4242X04 stand out with impressive specifications that cater to various use cases.

The Lenovo 42825BU is an excellent choice for those seeking a dependable laptop for general productivity tasks. Powered by the latest generation Intel Core processor, it ensures smooth performance whether you're working on spreadsheets, attending virtual meetings, or browsing the web. One of its standout features is the high-resolution display that delivers vivid colors and sharp images, making it perfect for graphic design work or watching videos. Furthermore, the device includes ample RAM, allowing for multitasking without lag and enhancing overall efficiency.

Next in line, the Lenovo 42421A0 offers enhanced processing power and graphics performance thanks to the inclusion of the NVIDIA NVS-4200M graphics card. This feature is particularly beneficial for professionals who require a workstation that can handle demanding graphical applications such as video editing and 3D modeling. The NVS-4200M provides excellent visual output, ensuring that users can work with advanced graphics tools without compromising performance.

The 4242X04 model takes portability to another level without sacrificing power, making it ideal for on-the-go professionals. With a lightweight design and long battery life, it allows users to work from anywhere without the constant need for a power source. Coupled with fast charging technology, users can quickly recharge their devices during breaks, ensuring minimal downtime.

All these Lenovo models are built with reliability and durability in mind, often featuring robust chassis that can endure daily wear and tear. Additionally, they incorporate various security features including biometric login options, enabling safe and secure access to sensitive data.

In summary, the Lenovo 42825BU, 42421A0, and 4242X04 laptops are designed to meet the demands of a diverse user base. With powerful processing capabilities, impressive graphics performance, and features designed for portability and durability, these models are well-suited for both professional and personal use.