Lenovo ThinkCentre M940s Manuale d'uso - Pagina 22

Sfoglia online o scarica il pdf Manuale d'uso per Desktop Lenovo ThinkCentre M940s. Lenovo ThinkCentre M940s 35.

Stampa la pagina

Monitor Unable to Operate Normally (All-in-one models)

Check...

When you turn on the computer, the screen does not

show anything.

When you turn on the computer, the screen is black and

only displays the white cursor.

A black screen appears when the computer is on.

Internal Components of System Unable to Operate Normally

FAX/MODEM Unable to Operate Normally

Check...

What modem cables and ports are used and confirm

whether modem cables operate normally.

Whether the modem cable is connected with the

computer Modem card appropriately.

Whether the driver for the Modem card is installed

correctly and set appropriately.

ThinkCentre M740s / M940s User Manual V2.0 (E-version)

Solution

• If the screen is black, check that:

The power cable or power adapter is connected to the

computer and the other end is connected to a

functioning electrical outlet.

The computer power is on. (Press the power button

again to make sure.）

• If the above items are correct and the computer screen

is still black, send it in for repairs.

Use one-key recovery to restore the backup file to the

Windows environment, or restore all the contents of the

system partition (C partition) to the original factory state. If

you still see only the cursor on the screen, send the

computer in for repairs.

Check if a screensaver or power management has been

enabled. Do one of the following to exit from the

screensaver or recover from sleep or hibernation mode:

• Press any key on the keyboard.

• Press the power button.

• If the computer you purchased supports mode

conversion, when the screen is turned on but a black

screen appears, you can check the mode indicator.

Check if the Monitor Mode indicator is on. If the light

is on, indicating the system is in Monitor Mode, press

the mode selection button to switch from Monitor

Mode to Computer Mode.

Solution

Use phone ports which can communicate normally and

modem cables with fine circuit.

Connect the lines by following the identification on the

Modem card appropriately.

Install the driver for the Modem and set the Internet

account and phone property correctly.