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Gateway 7250R Video problems, The mouse does not work, The system power and reset buttons are not responsive:, The system is running but the screen is blank

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The mouse does not work

Probable cause	Solution

Mouse is locked out when the	Enter the password.
password is set

The mouse is not plugged in	Make sure that the cable is plugged in correctly.
or connected properly

The mouse driver did not load	Load the appropriate mouse driver manually or contact
when the system started	technical support.

The mouse is defective	Try a mouse that you know is working.

The system power and reset buttons are not responsive:

Probable cause	Solution

The front panel is locked out	Enter the password.
when the password is set

Video problems

The system is running but the screen is blank

Probable cause	Solution

The monitor is not turned on	Make sure that the monitor is plugged in and turned on.
	If power is applied to the monitor, the green power LED
	should illuminate.

The monitor data cable is	Make sure that the monitor data cable is connected to the
not connected	video controller on the back of the system.

The connector or cable is	Check the connector and cable for bent or damaged pins.
damaged

The monitor brightness and	Adjust the brightness and contrast knobs to the center
contrast controls are turned	position.
down

The monitor is defective	Connect a working monitor to the server.

Video problems

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Contents

Page Contents Preface System Features System Setup Case Access Using the BIOS Setup Utility Managing the Server Troubleshooting Safety, Regulatory, and Notices System Specifications Index Page Preface Conventions used in this manual Getting additional information System1 Features Standard features Front panel Back panel Interior of system Secondary drive bay assembly backplane Power distribution board System board Page Hot-plugbackplane Front panel board Riser card System Setup Setting up the server Starting the server To start the system: Understanding the Power-On Self-Test Setting up the operating system To complete the operating system setup: Turning off the server To turn off the server in Windows NT: Resetting the server To close unresponsive programs and reset the server in Windows NT: Page Case Access Preventing static electricity discharge To prevent static electricity discharge: Opening the case Opening the bezel To open the bezel: Removing the top panel To remove the top panel: Closing the case Replacing the top panel To replace the top panel: Closing the bezel Page Replacing and Adding Internal Devices Drives Preparing to replace or add a drive Drive cabling information Replacing the diskette drive To replace the diskette drive: Page Replacing a hot-plugdrive To replace a failed drive: Adding a hot-plugdrive To install an additional hot-plugdrive: Replacing the slimline CD drive To replace the slimline CD drive: Page Page Memory Replacing memory To replace DIMMs: Page Adding memory To add DIMMs: Page Processors Replacing a processor To replace a processor: Page Page Adding a processor To add a second processor: Page Replacing the battery To replace the battery: Troubleshooting the battery installation Page Expansion cards Replacing an expansion card To replace an expansion card: Page Adding an expansion card To add an expansion card: Page Page Replacing the power supply To replace the power supply: Page Replacing the power distribution board To replace the power distribution board: Replacing the fans To replace a fan: Page Replacing the front panel board To replace the front panel board: Replacing the hot-plugbackplane To replace the hot-plugbackplane: Page Page Replacing the system board To replace the system board: Page Page Page Page Using the BIOS Setup Utility About the BIOS Setup utility Page Updating the BIOS Setting the system board jumpers The CMOS Clear jumper Password Clear jumper Recovery Boot jumper BIOS Boot Block Write Enable jumper BMC Boot Block Write Enable jumper FRB Enable jumper Intrusion Detection Enable jumper BMC Firmware Update jumper WOL Enable jumper Page Managing the Server Avoiding power source problems Surge suppressors Line conditioners Maintain and manage your hard drive Hard drive maintenance utility Using Check Disk in Windows NT To use Check Disk: Hard drive management practices Checking hard drive space To check hard drive space: Backing up files To run Backup in Windows NT: Deleting unneeded files Deleting Windows temporary files To delete .tmp files: To decrease the size of the Recycle Bin: Protecting the server against viruses To remove a virus: System administration and control Intel Server Control (ISC) ManageX Event Manager Direct Platform Control (DPC) Console System security Mechanical locks and monitoring Software locks through the BIOS Setup utility Using passwords Secure mode Summary of software security features FeatureDescription System recovery Creating a startup diskette Using your Server Companion CD Troubleshooting Introduction Troubleshooting checklist Verifying your configuration Troubleshooting guidelines CD problems The system does not recognize the CD drive Hard drive problems The system does not recognize a SCSI drive Memory and processor problems The system detected memory errors during start up The system does not recognize a new or second processor Modem problems The system does not recognize the modem Peripheral/Adapter problems The system does not recognize a SCSI device The system does not recognize the diskette drive The diskette drive will not read, write, or format The diskette drive LED illuminates continuously Printer problems The printer will not turn on The printer is turned on but will not print The printer prints garbled text System problems The system will not start up The system is non-responsive The keyboard does not work The mouse does not work The system power and reset buttons are not responsive: Video problems The system is running but the screen is blank The image on the screen is dim or difficult to read The color monitor displays everything in black and white The displayed characters are garbled The video is distorted Error messages exit Page Page Safety Regulatory, and A Notices Important safety information Care during use Replacement parts and accessories Warnings Page Page Regulatory compliance statements Canadian users European users Japanese users Australia and New Zealand users Laser safety statement Reference Grounding component Notices Page SystemB Specifications Environmental specifications System I/O addresses Page Page Memory map Interrupts DMA usage Index