Lenovo C315 All-In-One Manual do Utilizador descarregar pdf (Página 37)

Hardware Maintenance Manual

Undetermined problems

If this computer has a parallel ATA hard disk drive, make sure that the hard

disk drive is jumpered as a master and the optical drive is jumpered as a

slave.

1. Power-oﬀ the computer.

2. Remove or disconnect the following components (if installed) one at a

time.

a. External devices (modem, printer, or mouse)

b. Any adapters

c. Memory modules

d. Extended video memory

e. External Cache

f. External Cache RAM

g. Hard disk drive

h. Diskette drive

3. Power-on the computer to re-test the system.

4. Repeat steps 1 through 3 until you ﬁnd the failing device or adapter.

If all devices and adapters have been removed, and the problem

continues, replace the system board.

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Lenovo C315 All-In-One Manual do Utilizador Página 37