Hardware Maintenance Manual - Lenovo B575e
Page 36
... you turn on the computer. Connect the ac power adapter. 4. If you suspect a power problem, see the appropriate one you turn on laptop products The following : 1. Power system checkout To verify a symptom, do the following symptoms might indicate damage caused by nonwarranted activities: •... (V dc) 1 +20 2 0 2 1 Note: Output voltage of pin no.2 of the ac power adapter may have been subject to Chapter 5 "Lenovo B575e" on page 31 To check the ac power adapter, do the following power supply checkouts: • "Checking the ac power adapter" on page 30 •...
... you turn on the computer. Connect the ac power adapter. 4. If you suspect a power problem, see the appropriate one you turn on laptop products The following : 1. Power system checkout To verify a symptom, do the following symptoms might indicate damage caused by nonwarranted activities: •... (V dc) 1 +20 2 0 2 1 Note: Output voltage of pin no.2 of the ac power adapter may have been subject to Chapter 5 "Lenovo B575e" on page 31 To check the ac power adapter, do the following power supply checkouts: • "Checking the ac power adapter" on page 30 •...
