Compaq D510 e-pc manual Solving Minor Problems Continued, Cause, Solution, Computer appears to

Troubleshooting

Solving Minor Problems (Continued)

Problem Cause Solution

The unit temperature was exceeded because the computer was functioning with the cover.

Replace cover and let the computer cool down before attempting to turn on power to the computer.

Computer appears to	Network driver is loaded
pause periodically.	and no network
	connection is established.

Establish a network connection, or use Computer Setup or Windows Device Manager to disable the network controller.

Cannot remove	Port Control System is
computer cover.	installed and locked in
	place, or cable lock is
	used and must be
	removed.

Remove Port Control System or cable lock.

Cursor will not move	The Num Lock key may	Press the Num Lock key. The Num
using the arrow keys on	be on.	Lock light should not be on if you
the keypad.		want to use the arrow keys.
Blank monitor screen.	Monitor is not turned on	Turn on the monitor and check that
	and the monitor light is	the monitor light is on.
	not on.
	The cable connections are	Check the cable connection from the
	not correct.	monitor to the computer and to the
		electrical outlet.
	The energy saver feature	Press any key or click the mouse
	has been enabled.	button and, if set, type your
		password.

You are using a fixed-sync monitor and it will not sync at the resolution chosen.

Be sure that the monitor can accept the refresh rate and resolution chosen.

The keyboard is not	The keyboard cable is not
working.	correctly connected.

Plug the cable into the correct connector on the back of the PC. Color coding is used for easy matching.

The keyboard is dirty.	Check all keys are at the same
	height, and none are stuck.

2–4 Quick User’s Guide