NEC SigmaBlade B140a-T Guia do Utilizador descarregar pdf (Página 243)

Troubleshooting 8-47

Inserted the correct DVD/CD-ROM but the message like the following is displayed:

The CD-ROM is not inserted or the wrong CD-ROM is inserted.

Please insert the correct CD-ROM.

OK

 Is the data side of the DVD/CD-ROM dirty or damaged?

→ Take the DVD/CD-ROM out of the DVD-ROM drive, confirm that it is not dirty

or damaged, set it back again and click [OK].

Fail to access to the DVD/CD-ROM:

 Is the DVD/CD-ROM properly set in the DVD-ROM drive tray?

→ Take the disc out of the tray, and set the disc with its label side upward.

 Is there any soil or crack on DVD/CD-ROM disk?

→ Make sure there is no soil due to fingerprint or others on the disk surface. Also

make sure that there is no crack on the disk surface. Clean the disk surface if it is

soiled. If read-out still fails, set another disk of which data has been successfully

read out to check if the drive can read the disk.

 Is the CD-R disk in closed status?

→ Close the session or set the disk in closed status, and try to read again.

The OS presents unstable operation:

 Did you update the system?

→ Installing a network driver after installation of the OS may cause unstable

operation. Use the NEC EXPRESSBUILDER DVD to update the system. (See

Chapter 6.)

The system does not restart automatically when a stop error occurs, though the

system is adjusted to automatically restarting:

→ When the system does not restart automatically, restart it manually.

Cannot turn the power OFF at the blue screen:

→ If you want to turn off the power at the blue screen, execute forced shutdown

(forced shutdown: continue to press POWER/SLEEP switch for 4 seconds). The

power will not be turned off if you press the switch for less than 3 seconds.

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NEC SigmaBlade B140a-T Guia do Utilizador Página 243