HP CV7540 Manual do Utilizador descarregar pdf (Página 31)

Troubleshooting

Problem Possible Cause Solution

“No Signal” is

displayed on screen.

Monitor video cable is

disconnected.

Connect the 15-pin

monitor video cable

to the computer. Be

sure that the

computer power is

on.

“Out of Frequency” is

displayed on screen.

Video resolution and/or

refresh rate are set higher than

what your monitor supports.

Restart your computer

and enter Safe

Mode. Change your

settings to a

supported setting (see

“Technical

Specifications”).

Restart your computer

so that the new

settings take effect.

Monitor is There is not enough air space Leave at least 3

overheating. to allow proper ventilation. inches (76 mm) of

ventilation space

around the monitor,

and do not place

objects on top of the

monitor.

User Guide A–3

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HP CV7540 Manual do Utilizador Página 31