Toshiba PROL550 manual ModemTroubleshooting, 17Modemtroubleshootingprocess

2￿Troubleshooting￿Procedures￿

2.18￿ modem￿Troubleshooting￿

START

Perform￿telephone￿line

connection￿check

(Procedure￿1)

Computer￿unable￿to		Check￿/￿replace
	Yes	telephone￿line￿and
detect￿telephone￿signal?
		connections

No

Perform￿connection￿check

(Procedure￿2)

Perform￿replacement

check

(Procedure￿3)

Replace￿system￿board

END

￿

Figure￿2-17￿Modem￿troubleshooting￿process￿

￿ ￿

SATELLITE￿L550￿/￿SATELLITE￿L555￿/￿SATELLITE￿L557￿/￿SATELLITE￿PRO￿L550￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿44￿