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Table 10. LED codes (continued)
Diagnostic light codes
3,4
3,5
3,6
Camera status light: Indicates whether the camera is in use.
● Solid white — Camera is in use.
● Off — Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
● Solid white — Caps Lock enabled.
● Off — Caps Lock disabled.
WiFi power cycle
About this task
If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be
performed. The following procedure provides the instructions on how to conduct a WiFi power cycle:
NOTE:
Some ISPs (Internet Service Providers) provide a modem/router combo device.
Steps
1. Turn off your computer.
2. Turn off the modem.
3. Turn off the wireless router.
4. Wait for 30 seconds.
5. Turn on the wireless router.
6. Turn on the modem.
7. Turn on your computer.
Flea power release
About this task
Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has
been removed. The following procedure provides the instructions on how to conduct flea power release:
Steps
1. Turn off your computer.
2. Remove the
base
cover.
3. Remove the battery.
4. Press and hold the power button for 15 seconds to drain the flea power.
5. Replace the battery.
6. Replace the
base
cover.
7. Turn on your computer.
64
Troubleshooting
Problem description
Recovery image found but invalid
Power-rail failure
System BIOS Flash incomplete
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