HP 750-114 envy, User Manual

Power

Symptom

Possible solution

Computer does not

turn off when the

power button is

pressed

Press and hold the power button until the computer turns off. Then turn the computer on again.

Computer shuts

down automatically

●

The computer might be in an exceedingly hot environment. Let it cool down.

●

Be sure that computer air vents are not blocked. See 

Cleaning your computer on page 21

.

NOTE:

If your computer has an internal fan, be sure that the internal fan is running.

Display (monitor)

Symptom

Possible solution

Screen is blank, and

monitor power light is not

lit

Reconnect the power cable to the back of the monitor and to the AC outlet.

Press the power button on the monitor.

Screen is blank

Press the 

space bar

 on the keyboard or move the mouse to redisplay the screen image.

Press the Sleep button (select models only), or 

esc

, to resume from Sleep mode.

Press the power button to turn on the computer.

Inspect the monitor cable for bent pins.

●

If any of the pins are bent, replace the monitor cable.

●

If no pins are bent, reconnect the monitor cable to the computer.

Images on the screen are

too large or too small, or

the images are fuzzy

Adjust the monitor resolution setting in Windows.

1.

Right-click an empty area of the desktop, and then click Screen resolution.

2.

Select a different resolution from the drop-down menu.

3.

Click Apply, and then click Keep changes.

NOTE:

In addition to the information listed here, also refer to the documentation that came with your monitor.

Keyboard and mouse (with cable)

Symptom

Possible solution

Keyboard commands

and typing are not

recognized by the

computer

Use the mouse to turn off the computer. Disconnect and reconnect the keyboard to the back of your

computer, and then restart your computer.

Mouse (with cable) does

not work or is not

detected

Disconnect and reconnect the mouse cable to your computer.

If the mouse is still not detected, turn off the computer, disconnect and reconnect the mouse cable, and then

restart the computer.

10 Chapter 5   Troubleshooting