Table 10. LED codes(continued)
Diagnostic light codes
2,3
2,4
2,5
2,6
2,7
3,1
3,2
3,3
3,4
3,5
3,6
3,7
Camera status light: Indicates whether the camera is in use.
•
Solid—Camera is in use.
•
Off—Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
•
Solid—Caps Lock enabled.
•
Off—Caps Lock disabled.
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.
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.
92
Problem description
No memory or Random-Access Memory (RAM)
detected
Memory or Random-Access Memory (RAM)
failure
Invalid memory installed
System board or chipset error
Display failure
Coin-cell battery failure
PCI, video card/chip failure
Recovery image not found
Recovery image found but invalid
Power-rail failure
System BIOS Flash incomplete
Management Engine (ME) error