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Table 15. Diagnostics (continued)
Light pattern
2,4
2,5
2,6
2,7
3,1
3,2
3,3
3,4
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.
Flea power release
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 list the steps to conduct a flea power release for the computer.
1. Turn off your computer.
2. Remove the
base
cover.
3. Disconnect the battery cable from the system board.
4. Press and hold down the power button for 15 seconds to drain the flea power.
5. Connect the battery cable to the system board.
6. Replace the
base
cover.
7. Turn on your computer.
WiFi power cycle
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.
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.
92
Troubleshooting
Problem description
Memory or RAM failure
Invalid memory installed
System board or chipset error
LCD failure
CMOS battery failure
PCI or video card or chip failure
Recovery image not found
Recovery image found but invalid
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