Dell Alienware Area-51 R4 Service Manual - Page 127

Diagnostics, Wi-Fi power cycle, Run Tests, Table 9. Diagnostics, Beep code, Problem description - motherboard

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Diagnostics front page is displayed. 5. Click the arrow in the lower-right corner to go to the page listing. The items detected are listed. 6. To run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test. 7. Select the device from the left pane and click Run Tests. 8. If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. Diagnostics The following table shows different beep codes and what they indicate. Table 9. Diagnostics Beep code 1 2 3 4 5 6 Problem description Motherboard: BIOS ROM failure No Memory/RAM detected Chipset error Memory or RAM failure CMOS battery failure Video card/chip failure 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: 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. 127

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Diagnostics front page is displayed.
5.
Click the arrow in the lower-right corner to go to the page listing.
The items detected are listed.
6.
To run a diagnostic test on a specific device, press Esc and click
Yes
to stop the diagnostic test.
7.
Select the device from the left pane and click
Run Tests
.
8.
If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
Diagnostics
The following table shows different beep codes and what they indicate.
Table 9. Diagnostics
Beep code
Problem description
1
Motherboard: BIOS ROM failure
2
No Memory/RAM detected
3
Chipset error
4
Memory or RAM failure
5
CMOS battery failure
6
Video card/chip failure
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:
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.
127