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1 Troubleshooting Your PC
Troubleshooting Quick Reference
Troubleshooting Quick Reference
PC won’t start •Check power cord is correctly connected.
•Check voltage switch is correctly set.
PC starts but there is no
display
•Check the display is correctly connected and switched ON.
•Check the display’s brightness and contrast settings.
•Check the graphics card is fully inserted into its connector
PC starts but pressing keys
on the keyboard or moving the
mouse has no effect
•Check the keyboard and mouse cables are properly connected.
•Check the keyboard and mouse drivers are correctly installed.
PC starts but there may be a
software problem
•Refer topage 19.
•Refer to the software documentation or the software provider’s support web site for information.
PC starts but there may be a
hardware problem
•Run DiagTools to analyze the problem. Refer to page 14.
•Upgrade your PC’s BIOS. Refer to page 41.
PC starts but there is a
configuration error
•Run the HP Setup program to correct the configuration problem. Refer to page 124.
If there is a
memory error
•Check memory modules are of the correct type, HP-supported and correctly inserted in their sockets. Refer to page 50
(desktop) or page 84 (minitower).
If there is a mouse
or keyboard error
•Check the mouse and power cables are correctly connected.
•Check the device driver is correctly installed.
•Check the device configuration in Setup. Refer to page 124.
•Clean the mouse ball.
If there is a floppy
disk error
•Try using a known working floppy disk.
•Check the floppy drive configuration in Setup. Refer to page 124.
•Check the drive cable is correctly connected. Refer to page 52 and page 61 (desktop) or page 87 and page 90 (minitower).
If there is a hard drive
or CD-ROM error
•Check the drive configuration in Setup.Refer to page 124.
•Check the drive cable is correctly connected. Refer to page 52 and page 55 (desktop) or page 87 and page 97 (minitower).
•Ensure the OS and drivers are installed.
•Check any drive jumpers are correctly set.
If there is a CMOS error •Check the power cord is connected.
•Check power to system board is correctly connected. Refer to page 71 (desktop) and page 109 (minitower).
•Clear CMOS. Refer to page 127.
•Ensure the OS and drivers are installed.
•Upgrade your PC’s BIOS. Refer to page 41.
If there is a serial or parallel
port error
•Check the devices are connected and on line.
•Check device drivers are installed.
•Check the device configuration in Setup. Refer to page 124.
•Try using a known working device.