Dell Inspiron 15 7572 Inspiron 15 7000 Service Manual - Page 63

Flea power release, Wi-Fi power cycle

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Light Pattern 3,4 Problem description Recovery image found but invalid The computer may emit a series of beeps during start-up if the errors or problems cannot be displayed. The repetitive beep codes help the user troubleshoot problems with the computer. 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 provides the instructions on how to conduct flea power release: 1. Turn off your computer. 2. Remove the base cover. 3. Press and hold the power button for 15 seconds to drain the flea power. 4. Replace the base cover. 5. Turn on your computer. Wi-Fi power cycle If your computer is unable to access the internet due to Wi-Fi connectivity issues a Wi-Fi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a Wi-Fi power cycle: 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. Troubleshooting 63

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Light Pattern
Problem description
3,4
Recovery image found but invalid
The computer may emit a series of beeps during start-up if the errors or problems cannot be displayed. The repetitive beep codes help the
user troubleshoot problems with the computer.
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 provides the instructions on how to conduct flea power release:
1.
Turn off your computer.
2.
Remove the
base cover
.
3.
Press and hold the power button for 15 seconds to drain the flea power.
4.
Replace the
base cover
.
5.
Turn on your computer.
Wi-Fi power cycle
If your computer is unable to access the internet due to Wi-Fi connectivity issues a Wi-Fi power cycle procedure may be performed. The
following procedure provides the instructions on how to conduct a Wi-Fi power cycle:
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.
Troubleshooting
63