Asus CG8350- Manuals

Page 3 - Contents; Where to find more information

iii Contents Notices ...........................................................................................................vSafety information ......................................................................................... viiConventions used in this guide ...............................

Page 4 - Chapter 7

iv Contents ASUS AI Manager ..................................................................................... 6-1 0 Nero 9 ..................................................................................................... 6-15Recovering your system ...............................................

Page 5 - Notices; REACH; • This device may not cause harmful interference and

v Notices REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm Federal Communications Commission Statement Thi...

Page 6 - This class B digital apparatus complies with Canadian ICES-003.; Macrovision Corporation Product Notice; uses only; unless otherwise authorized by Macrovision Corporation; . Reverse engineering; according to the manufacturer’s instructions.

vi RF exposure warning This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with...

Page 7 - Safety information; expose to strong magnetic or electrical fields.

vii Safety information Disconnect the AC power and peripherals before cleaning. Wipe the Desktop PC using a clean cellulose sponge or chamois cloth dampened with solution of nonabrasive detergent and a few drops of warm water then remove any extra moisture with a dry cloth. • DO NOT place on uneven ...

Page 8 - Conventions used in this guide; ASUS websites

viii Conventions used in this guide To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual. DANGER/WARNING : Information to prevent injury to yourself Information to prevent injury to yourself when trying to complete a task. CAUTION: Informa...

Page 9 - Package contents

ix ASUS Essentio Desktop PC Keyboard x1 Mouse x1 Installation Guide Power cord x1 Installation Guide x1 Warranty card x1 Nero 9 burning software DVD x1 Package contents • If any of the above items is damaged or missing, contact your retailer. • The illustrated items above are for reference only. Act...

Page 10 - Chapter 1; Getting started; Getting to know your computer; Front panel; Thank you for purchasing the ASUS Essentio CG8350 Desktop PC!

ASUS CG8350 1-1 Chapter 1 Getting started Getting to know your computer Front panel 1 4 Illustrations are for reference only. The ports and their locations, and the chassis color vary with different models. Welcome! Thank you for purchasing the ASUS Essentio CG8350 Desktop PC! The ASUS Essentio CG83...

Page 11 - Rear panel; Optical disk drive eject button.

1-2 Chapter 1: Getting started Rear panel 1. USB 2.0 ports. These Universal Serial Bus 2.0 (USB 2.0) ports connect to USB 2.0 devices such as a mouse, printer, scanner, camera, PDA, and others. 2. Microphone port. This port connects to a microphone. 3. Headphone port. This port connects to a headpho...

Page 12 - This port is for a PS/2 keyboard; LAN port LED indications

ASUS CG8350 1-3 1. Power connector. Plug the power cord to this connector. 2. Power switch. Switch to turn ON/OFF the power supply to your computer. 3. Air vents. These vents allow air ventilation. DO NOT block the air vents on the chassis. Always provide proper ventilation for your computer. 4. PS/...

Page 14 - Setting up your computer; Connecting an external monitor; Using the ASUS Graphics Card (on selected models only); To connect an external monitor using the ASUS Graphics Card:; Plug the monitor to a power source.

ASUS CG8350 1-5 Setting up your computer This section guides you through connecting the main hardware devices, such as the external monitor, keyboard, mouse, and power cord, to your computer. Connecting an external monitor Using the ASUS Graphics Card (on selected models only) Connect your monitor t...

Page 15 - Using the onboard display output ports; Connect your monitor to the onboard display output port.

1-6 Chapter 1: Getting started • If your computer comes with an ASUS Graphics Card, the graphics card is set as the primary display device in the BIOS. Hence, connect your monitor to a display output port on the graphics card. Using the onboard display output ports Connect your monitor to the onboar...

Page 16 - computer and the other end to a power source.

ASUS CG8350 1-7 Connecting a USB keyboard and a USB mouse Connect a USB keyboard and a USB mouse to the USB ports on the rear panel of your computer. Connecting the power cord Connect one end of the power cord to the power connector on the rear panel of your computer and the other end to a power sou...

Page 17 - Turning your computer ON/OFF; Turning your computer ON; To turn your computer ON:; Turning your computer OFF; To turn your computer OFF:; Click

1-8 Chapter 1: Getting started Turning your computer ON/OFF This section describes how to turn on/off your computer after setting up your computer. Turning your computer ON To turn your computer ON: 1. Turn your monitor ON. 2. Turn the power switch ON, then press the power button on your computer. T...

Page 18 - Chapter 2; Using Windows; Starting for the first time; configuring the basic settings of your Windows; To start for the first time:; From dropdown list, select your language. Click

ASUS CG8350 2-1 Chapter 2 Using Windows ® 7 Starting for the first time When you start your computer for the first time, a series of screens appear to guide you in configuring the basic settings of your Windows ® 7 operating system. To start for the first time: 1. Turn your computer on. Wait for a f...

Page 19 - Using the Start menu; Help and; Launching items from the Start menu; To launch items from the Start menu:; From the Windows

2-2 Chapter 2: Using Windows ® 7 Using Windows ® 7 desktop Notification area Taskbar Start menu Using the Start menu The Start menu gives you access to programs, utilities, and other useful items on your computer. It also provides you with more information about Windows 7 through its Help and Suppor...

Page 20 - Using the Getting Started item; as personalizing Windows; To use the Getting Started item:; Select; Getting Started; Using the taskbar; Launching a program from the taskbar; To launch a program from the taskbar:

ASUS CG8350 2-3 Using the Getting Started item The Getting Started item on the Start menu contains information about some basic tasks such as personalizing Windows ® , adding new users, and transferring files to help you to familiarize yourself with using Windows ® 7. To use the Getting Started item...

Page 21 - Pinning items on the jumplists; to the program’s or item’s related links.You may; Unpinning items from the jumplist; Right-click the item that you want to pin on the

2-4 Chapter 2: Using Windows ® 7 Pinning items on the jumplists When you right-click an icon on the taskbar, a jumplist launches to provide you with quick-access to the program’s or item’s related links.You may pin items on the jumplist such as favorite websites, often-visited folders or drives, or ...

Page 22 - By default, the notification area shows these three icons:; Action Center notification; Displaying an alert notification; To display an alert notification:; Click the Notification icon

ASUS CG8350 2-5 Unpinning programs from the Start menu To unpin programs from the Start menu: 1. From the Windows ® taskbar, click the Start icon to launch the Start menu. 2. From the Start menu, right-click the program that you want to unpin, then select Remove from this list . Unpinning programs f...

Page 23 - Customizing icons and notifications; To customize icons and notifications:; From the notification area, click on the arrow icon; Customize

2-6 Chapter 2: Using Windows ® 7 Customizing icons and notifications You may choose to display or hide the icons and notifications on the taskbar or on the notification area. To customize icons and notifications: 1. From the notification area, click on the arrow icon . 2. Click Customize . 3. From t...

Page 24 - Managing your files and folders; Windows; Launching Windows; To launch Windows Explorer:; Computer; to launch Windows Explorer.; Exploring files and folders; To explore files and folders:; Launch Windows Explorer.

ASUS CG8350 2-7 Managing your files and folders Using Windows ® Explorer Windows ® Explorer allows you to view, manage, and organize your files and folders. Launching Windows ® Explorer To launch Windows Explorer: 1. From the Windows ® taskbar, click the Start icon to launch the Start menu. 2. Click...

Page 25 - Customizing the file/folder view; Arranging your files; To arrange your files:; Arrange by; field, click to display the dropdown list.

2-8 Chapter 2: Using Windows ® 7 Customizing the file/folder view To customize the file/folder view: 1. Launch Windows Explorer. 2. From the navigation pane, select the location of your data. 3. From the toolbar, click the View icon . 4. From the View menu, move the slider to select how you want to ...

Page 26 - Sorting your files; Sort; Grouping your files; Group by; Adding a new folder; From the toolbar, click; New folder

ASUS CG8350 2-9 Sorting your files To sort your files: 1. Launch Windows Explorer. 2. Right-click anywhere on the View pane. 3. From the menu that appears, select Sort by , then select your preferred sorting type. Grouping your files To group your files: 1. Launch Windows Explorer. 2. Right-click an...

Page 27 - Backing up your files; Setting up a backup; Restoring your system; computer’s system settings without affecting your personal data.; Follow the onscreen instructions to finish the process.

2-10 Chapter 2: Using Windows ® 7 Backing up your files Setting up a backup To set up a backup: 1. Click > All Programs > Maintenance > Backup and Restore . 2. Click Set up backup . Click Next . Restoring your system The Windows ® System Restore feature creates a restore point where the com...

Page 28 - Protecting your computer; To launch Windows; To launch Windows 7 Action Center, click; Open; From Windows 7 Action Center, click the task that you want to do.

ASUS CG8350 2-11 Protecting your computer Using Windows ® 7 Action Center Windows ® 7 Action Center provides you with alert notifications, security information, system maintenance information, and the option to automatically troubleshoot and fix some common computer problems. You may customize the n...

Page 29 - and performance of your computer.; All Programs; From the Windows Update screen, click the task that you want to do.

2-12 Chapter 2: Using Windows ® 7 Using Windows ® Update Windows Update allows you to check and install the latest updates to enhance the security and performance of your computer. Launching Windows ® Update To launch Windows ® Update: 1. From the Windows ® taskbar, click the Start icon to launch th...

Page 30 - Setting up a user account and password; Setting up a user account

ASUS CG8350 2-13 Setting up a user account and password You may create user accounts and passwords for people who will use your computer. Setting up a user account To set up a user account: 1. From the Windows ® taskbar, click > Getting Started > Add new users . 2. Select Manage another accoun...

Page 31 - Setting up a user’s password; To set up a user’s password:; Select the user that you would like to set a password.; Create a password; Key in a password and confirm it. Key in your password’s hint.; Create password

2-14 Chapter 2: Using Windows ® 7 Setting up a user’s password To set up a user’s password: 1. Select the user that you would like to set a password. 2. Select Create a password . 3. Key in a password and confirm it. Key in your password’s hint. 4. When done, click Create password .

Page 32 - Activating the anti-virus software; a 30-day trial period after activating it.; To activate Trend Micro Internet Security:; Carefully read the license terms. Click; Next; Getting Windows; Help and Support

ASUS CG8350 2-15 Activating the anti-virus software Trend Micro Internet Security is pre-installed on your computer. It is a third-party anti-virus software protecting your computer from virus attacking. It is purchased separately. You have a 30-day trial period after activating it. To activate Tren...

Page 33 - To remove a USB storage device:; from the Windows notification area on your; Eject USB2.0 FlashDisk; When the; Safe to Remove Hardware; Chapter 3; Connecting devices to your computer; Connecting a USB storage device; To connect a USB storage device:

3-1 ASUS CG8350 To remove a USB storage device: 1. Click from the Windows notification area on your computer, then click Eject USB2.0 FlashDisk . 2. When the Safe to Remove Hardware message pops up, remove the USB storage device from your computer. Chapter 3 Connecting devices to your computer Conne...

Page 34 - Connecting microphone and speakers; Connecting Headphone and Mic

3-2 Chapter 3: Connecting devices to your computer Connecting microphone and speakers This desktop PC comes with microphone ports and speaker ports on both the front and rear panels. The audio I/O ports located on the rear panel allow you to connect 2-channel, 4-channel, 6-channel, and 8-channel ste...

Page 36 - Connecting 8-channel Speakers

3-4 Chapter 3: Connecting devices to your computer Connecting 8-channel Speakers

Page 37 - Connecting multiple external displays; Setting up multiple displays; To set up multiple displays:; Turn off your computer.; section in Chapter 1 for details on how

3-5 ASUS CG8350 Connecting multiple external displays Your desktop PC may come with VGA, HDMI, or DVI ports and allows you to connect multiple external displays. Setting up multiple displays When using multiple monitors, you are allowed to set display modes. You can use the additional monitor as a d...

Page 38 - on the confirmation message.

3-6 Chapter 3: Connecting devices to your computer 5. Select the display mode from the Multiple displays: drop-down list. • Duplicate these displays : Select this option to use the additional monitor as a duplicate of your main display. • Extend these displays : Select this option to use the additio...

Page 39 - Connecting an HDTV; Connect a High Definition TV (HDTV) to the HDMI port of your computer.

3-7 ASUS CG8350 Connecting an HDTV Connect a High Definition TV (HDTV) to the HDMI port of your computer. • You need an HDMI cable to connect the HDTV and the computer. The HDMI cable is purchased separately. • To get the best display performance, ensure that your HDMI cable is less than 15 meters.

Page 40 - Chapter 4; Using your computer; Proper posture when using your Desktop PC; To maintain the proper posture:

4-1 ASUS CG8350 Chapter 4 Using your computer Proper posture when using your Desktop PC When using your Desktop PC, maintaining the proper posture is necessary to prevent strain to your wrists, hands, and other joints or muscles. This section provides you with tips on avoiding physical discomfort an...

Page 41 - When finished, right-click the memory card drive icon on the; Using the memory card reader; read from and write to different memory card drives.; To use the memory card:; Insert the memory card into the card slot.

4-2 Chapter 4: Using your computer 3. When finished, right-click the memory card drive icon on the Computer screen, click Eject , and then remove the card. Never remove cards while or immediately after reading, copying, formatting, or deleting data on the card or else data loss may occur. To prevent...

Page 42 - Using the optical drive; Inserting an optical disc; To insert an optical disc:; Place the disc to the optical drive with the label side facing up.; Removing an optical disc; To remove an optical disc:; screen, and then click; Eject; Remove the disc from the disc tray.

ASUS CG8350 4-3 Using the optical drive Inserting an optical disc To insert an optical disc: 1. While your system is on, press the eject button below the drive bay cover to open the tray. 2. Place the disc to the optical drive with the label side facing up. 3. Push the tray to close it. 4. Select a ...

Page 43 - Using the multimedia keyboard; ASUS PRIMAX/KB2621 keyboard

4-4 Chapter 4: Using your computer Using the multimedia keyboard (on selected models only) The keyboard varies with models. The illustrations on this section are for reference only. The special function keys only work on Windows ® Vista / Windows ® 7 operating systems. ASUS PRIMAX/KB2621 keyboard Ke...

Page 44 - Chapter 5; Connecting to the Internet; Connecting via a DSL/cable modem; Wired connection; computer and the other end to a DSL/cable modem.; Turn on the DSL/cable modem and your computer.

ASUS CG8350 5-1 Chapter 5 Connecting to the Internet Connecting via a DSL/cable modem To connect via a DSL/cable modem: 1. Set up your DSL/cable modem. Wired connection Use an RJ-45 cable to connect your computer to a DSL/cable modem or a local area network (LAN). Modem RJ-45 cable 2. Connect one en...

Page 45 - Connecting via a local area network (LAN); To connect via a LAN:; computer and the other end to your LAN.; Turn on your computer.

5-2 Chapter 5: Connecting to the Internet Connecting via a local area network (LAN) To connect via a LAN: 1. Connect one end of an RJ-45 cable to the LAN (RJ-45) port on the rear panel of your computer and the other end to your LAN. RJ-45 cable LAN 2. Turn on your computer. 3. Configure the necessar...

Page 46 - Chapter 6; Using the Utilities; ASUS AI Suite II; Click the; Utilities; Using AI Suite II; notification area. Click the icon to open the AI Suite II

ASUS CG8350 6-1 Chapter 6 Using the Utilities ASUS AI Suite II ASUS AI Suite II is an all-in-one interface that integrates several ASUS utilities and allows users to launch and operate these utilities simultaneously. Installing AI Suite IITo install AI Suite II: 1. Place the support DVD in the optic...

Page 47 - EPU; Launching EPU; on the; The; Tool; section includes the EPU, Probe II and Sensor

6-2 Chapter 6: Using the Utilities EPU EPU is an energy-efficient tool that satisfies different computing needs. This utility provides several modes that you can select to save system power. Selecting Auto mode will have the system shift modes automatically according to current system status. You ca...

Page 48 - Probe II; Launching Probe II; Configuring Probe II; tab allows you to customize the time interval of

ASUS CG8350 6-3 Probe II Probe II is a utility that monitors the computer’s vital components, and detects and alerts you of any problem with these components. Probe II senses fan rotations, CPU temperature, and system voltages, among others. With this utility, you are assured that your computer is a...

Page 49 - Sensor Recorder; Launching Sensor Recorder

6-4 Chapter 6: Using the Utilities Sensor Recorder Sensor Recorder allows you to monitor the changes in the system voltage, temperature, and fan speed, as well as recording the changes. Launching Sensor Recorder After installing AI Suite II from the support DVD, click Tool > Sensor Recorder on th...

Page 50 - Monitor; Sensor; Monitor > CPU Frequency

ASUS CG8350 6-5 Monitor The Monitor section includes the Sensor and CPU Frequency panels. Sensor The Sensor panel displays the current value of a system sensor such as fan rotation, CPU temperature, and voltages. Click Monitor > Sensor on the AI Suite II main menu bar to launch the Sensor panel. ...

Page 51 - Updating the BIOS through the Internet; Update BIOS from Internet; Select the ASUS FTP site nearest; Update; ASUS Update

6-6 Chapter 6: Using the Utilities Updating the BIOS through the Internet To update the BIOS through the Internet:1. From the ASUS Update screen, select Update BIOS from Internet , and then click Next . 2. Select the ASUS FTP site nearest you to avoid network traffic. If you want to enable the BIOS ...

Page 52 - To update the BIOS through a BIOS file:; Update BIOS from file; Locate the BIOS file from the Open

ASUS CG8350 6-7 Updating the BIOS through a BIOS file To update the BIOS through a BIOS file: 1. From the ASUS Update screen, select Update BIOS from file , and then click Next . 2. Locate the BIOS file from the Open window, click Open , and click Next . 3. You can decide whether to change the BIOS ...

Page 53 - System Information; MB

6-8 Chapter 6: Using the Utilities System Information The System Information section displays the information about the motherboard, CPU, and memory slots. • Click the MB tab to see the details on the motherboard manufacturer, product name, version, and BIOS. • Click the CPU tab to see the details o...

Page 54 - Settings; The Settings section allows you to customize the

ASUS CG8350 6-9 Settings The Settings section allows you to customize the main menu bar settings and the interface’s skin. • Application allows you to select the application that you want to enable. • Bar allows you to modify the bar setting, • Skin allows you to customize the interface’s contrast, ...

Page 55 - ASUS AI Manager; Installing AI Manager; To install AI Manager:; Launching AI Manager

6-10 Chapter 6: Using the Utilities After launching the application, the AI Manager icon appears in the Windows ® taskbar. Right-click this icon to switch between the quick bar and the main window, and to launch the AI Manager either from the quick bar or taskbar. ASUS AI Manager ASUS AI Manager is ...

Page 56 - AI Manager quick bar; Information tab to display the menu’s contents.; Main; The Main menu contains three utilities:; AI Disk; window and select the items you want to clear. Click; Apply

ASUS CG8350 6-11 AI Manager quick bar The AI Manager quick bar saves the desktop space and allows you to launch the ASUS utilities or display system information easily. Click any of the Main, My Favorites, Support or Information tab to display the menu’s contents. Click the Maximize/restore button t...

Page 57 - AI Security; a password with at most 20 alphanumeric characters.

6-12 Chapter 6: Using the Utilities AI Security AI Security enables you to set a password to secure your devices, such as USB flash disks and CD/DVD disks, from unauthorized access. To lock a device: 1. When using AI Security for the first time, you are asked to set a password. Key in a password wit...

Page 58 - searching for the applications throughout your computer.

ASUS CG8350 6-13 AI Booting AI Booting allows you to specify the boot device priority sequence. To specify the boot sequence: 1. Select a device, then click the left/right button to specify the boot sequence. 2. When done, press Apply . My Favorites My Favorites allows you to add applications that y...

Page 59 - Click any links on the; Support; window to go to the ASUS website, technical support website,; Information; Information; window to see the detailed information about your system,

6-14 Chapter 6: Using the Utilities Support Click any links on the Support window to go to the ASUS website, technical support website, download support website, or contact information. Information Click the tab on the Information window to see the detailed information about your system, motherboard...

Page 60 - Nero 9; Installing Nero 9; Insert the Nero 9 DVD into your optical drive.; From the main menu, click; Nero 9 Essentials

ASUS CG8350 6-15 Nero 9 Nero 9 allows you to create, copy, burn, edit, share, and update different kinds of data. Installing Nero 9 To install Nero 9: 1. Insert the Nero 9 DVD into your optical drive. 2. If Autorun is enabled, the main menu appears automatically. If Autorun is disabled, double-click...

Page 61 - Select the language you want to use for Installation Wizard. Click; Tick; I accept the License Conditions

6-16 Chapter 6: Using the Utilities 4. Select the language you want to use for Installation Wizard. Click Next . 5. Click Next to continue. 6. Tick I accept the License Conditions . When done, click Next .

Page 62 - Typical; Yes, I want to help by sending anonymous application data to Nero; then click

ASUS CG8350 6-17 7. Select Typical then click Next . 8. Tick Yes, I want to help by sending anonymous application data to Nero then click Next . 9. When done, click Exit .

Page 63 - Burning files; Data Burning; Select the files that you want to burn. When done, click; Add

6-18 Chapter 6: Using the Utilities Burning files To burn files: 1. From the main menu, click Data Burning > Add . 2. Select the files that you want to burn. When done, click Add .

Page 64 - Using the Recovery Partition; About the Recovery Partition; Using the Recovery Partition:; After selecting files that you want to burn, click; Burn; to burn the files to a disc.

ASUS CG8350 6-19 Recovering your system Using the Recovery Partition The Recovery Partition quickly restores your Desktop PC’s software to its original working state. Before using the Recovery Partition, copy your data files (such as Outlook PST files) to USB storage devices or to a network drive an...

Page 65 - Using the Recovery DVD (on selected models); To use the Recovery DVD:; > on bootup and select the optical drive (may be; Enter; Select OK to start to restore the image.; Select one of the following recovery options.

6-20 Chapter 6: Using the Utilities Using the Recovery DVD (on selected models) Prepare 1~3 blank writable DVDs as instructed to create the Recovery DVD. Remove the external hard disk drive before performing system recovery on your Desktop PC. According to Microsoft, you may lose important data beca...

Page 66 - Troubleshooting; My computer cannot be powered on and the power LED on the front; Turning; I cannot connect to a wireless network using the ASUS WLAN Card

ASUS CG8350 7-1 Chapter 7 Troubleshooting Troubleshooting This chapter presents some problems you might encounter and the possible solutions. ? My computer cannot be powered on and the power LED on the front panel does not light up • Check if your computer is properly connected. • Check if the wall ...

Page 67 - No display on the monitor.; My computer cannot detect my USB storage device.; Restoring your

Chapter 7: Troubleshooting 7-2 ? No display on the monitor. • Check if the monitor is powered on. • Ensure that your monitor is properly connected to the video output port on your computer. • If your computer comes with a discrete graphics card, ensure that you connect your monitor to a video output...

Page 68 - The picture on the HDTV is stretched.; on the confirmation; My speakers produce no sound.; Adjust your speakers’ volume.; The DVD drive cannot read a disc.

7-3 ASUS CG8350 ? The picture on the HDTV is stretched. • It is caused by the different resolutions of your monitor and your HDTV. Adjust the screen resolution to fit your HDTV. To change the screen resolution: 1. Do any of the following to open the Screen Resolution setting screen: • Click > Con...

Page 69 - Power; • Set your computer’s power voltage; Display

Chapter 7: Troubleshooting 7-4 Power Problem Possible Cause Action No power (The power indicator is off) Incorrect power voltage • Set your computer’s power voltage switch to your area’s power requirements. • Adjust the voltage settings. Ensure that the power cord is unplugged from the power outlet....

Page 70 - • Refer to your computer’s user

7-5 ASUS CG8350 LAN Problem Possible Cause Action Cannot access the Internet The LAN cable is not connected. Connect the LAN cable to your computer. LAN cable problems Ensure the LAN LED is on. If not, try another LAN cable. If it still does not work, contact the ASUS service center. Your computer i...

Page 71 - System

Chapter 7: Troubleshooting 7-6 System Problem Possible Cause Action System speed is too slow Too many programs are running. Close some of the programs. Computer virus attack • Use an anti-virus software to scan for viruses and repair your computer. • Reinstall the operating system. The system often ...

Page 72 - CPU

7-7 ASUS CG8350 CPU Problem Possible Cause Action Too noisy right after turning on the computer. Your computer is booting up. It is normal. The fan runs on its full speed when the computer is powering on. The fan slows down after entering the OS. The BIOS settings have been changed. Restore the BIOS...