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Dell Alienware Aurora R12 R12-4854 — руководство по диагностике и восстановлению компьютера [106/108]
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Running BIST
Steps
1. Turn off your computer.
2. On the back panel of the desktop, press the Power-Supply Diagnostics button.
3. Perform the following steps based on the conditions indicated.
Table 11. Troubleshooting steps
Conditions Inference Next Steps
The LED indicator displays a solid color
without flickering or flashing
and
the power-supply fan runs on a normal
speed.
The power supply unit can deliver power
to the computer, but something else is
impeding the POST process.
You can carry on further diagnosis by
checking the power button. If there is no
issue with the power button, proceed to
No POST troubleshooting.
The LED indicator displays a solid color
without flickering or flashing
or
the power-supply fan runs on a normal
speed.
The power supply unit cannot deliver
power to the computer, and the problem
could be caused by any component
connected to the power supply unit, or
the power supply unit itself.
You can disconnect parts from the power
supply unit to isolate the source of the
power failure, and proceed to No Power
troubleshooting.
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system. It
enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary
operating system due to software or hardware failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at
www.dell.com/
serviceabilitytools. Click SupportAssist and then, click SupportAssist OS Recovery.
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.
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Содержание
- Alienware aurora r12 service manual p.1
- Notes cautions and warnings p.2
- Chapter 2 removing and installing components p.3
- Chapter 1 working inside your computer p.3
- Contents p.3
- Chapter 5 troubleshooting 05 p.5
- Chapter 3 device drivers 92 p.5
- Chapter 6 getting help and contacting alienware 108 p.5
- Chapter 4 system setup 7 p.5
- Before working inside your computer p.6
- Working inside your computer p.6
- Safety instructions p.6
- Before you begin p.6
- Esd field service kit p.7
- Electrostatic discharge esd protection p.7
- Components of an esd field service kit p.7
- Transporting sensitive components p.8
- Lifting equipment p.8
- Esd protection summary p.8
- After working inside your computer p.8
- Removing and installing components p.9
- Inside view of your computer p.9
- System board components p.10
- Recommended tools p.10
- Table 1 screw list p.11
- Screw list p.11
- Removing the left side cover p.12
- Left side cover p.12
- Installing the left side cover p.12
- Table 1 screw list continued p.12
- Top cover p.13
- Removing the top cover p.13
- Installing the top cover p.14
- Right side cover p.15
- Removing the right side cover p.15
- Installing the right side cover p.16
- Right tron light board p.18
- Removing the right tron light board p.18
- Installing the right tron light board p.19
- Removing the 2 inch hard drive p.21
- Inch hard drive p.21
- Installing the 2 inch hard drive p.22
- Removing the 3 inch hard drive p.24
- Inch hard drive p.24
- Installing the 3 inch hard drive p.25
- Removing the 2 inch hard drive cage p.27
- Installing the 2 inch hard drive cage p.27
- Inch hard drive cage p.27
- Removing the 3 inch hard drive cage p.28
- Inch hard drive cage p.28
- Installing the 3 inch hard drive cage p.29
- W power supply unit p.30
- Removing the 550 w power supply unit p.30
- Installing the 550 w power supply unit p.32
- W power supply unit p.34
- Removing the 1000 w power supply unit p.34
- Installing the 1000 w power supply unit p.36
- Removing the coin cell battery p.37
- Coin cell battery p.37
- Installing the coin cell battery p.39
- Memory modules p.40
- Removing the memory modules p.40
- Installing the memory modules p.42
- Table 2 memory configuration matrix p.43
- Table 2 memory configuration matrix continued p.44
- Single graphics card p.44
- Removing the single graphics card p.44
- Installing the single graphics card p.46
- Solid state drive p.49
- Removing the solid state drive p.49
- Installing the solid state drive p.49
- Removing the front bezel p.50
- Front bezel p.50
- Installing the front bezel p.53
- Removing the top bezel p.58
- Top bezel p.58
- Installing the top bezel p.59
- Removing the bottom cover p.60
- Bottom cover p.60
- Installing the bottom cover p.61
- Processor fan and heat sink assembly p.62
- Removing the processor fan and heat sink assembly p.62
- Installing the processor fan and heat sink assembly p.63
- Removing the processor liquid cooling assembly p.65
- Processor liquid cooling assembly p.65
- Installing the processor liquid cooling assembly p.68
- Removing the processor p.70
- Processor p.70
- Installing the processor p.70
- Wireless card p.71
- Removing the wireless card p.71
- Installing the wireless card p.72
- Table 3 antenna cable color scheme p.73
- Removing the antennas p.74
- Installing the antennas p.74
- Antennas p.74
- Removing the front i o panel p.75
- Front i o panel p.75
- Installing the front i o panel p.76
- Removing the front chassis fan p.77
- Front chassis fan p.77
- Installing the front chassis fan p.78
- Top chassis fan p.79
- Removing the top chassis fan p.79
- Installing the top chassis fan p.81
- Removing the front alienfx led board p.83
- Installing the front alienfx led board p.83
- Front alienfx led boards p.83
- Power button board p.84
- Removing the power button board p.84
- Installing the power button board p.85
- System board p.86
- Removing the system board p.86
- Installing the system board p.88
- Entering the service tag in the bios setup program p.90
- Operating system p.92
- Downloading the graphics driver p.92
- Downloading the audio driver p.92
- Device drivers p.92
- Downloading the usb driver p.93
- Downloading the wifi driver p.94
- Downloading the media card reader driver p.94
- Downloading the network driver p.95
- Downloading the chipset driver p.95
- Boot sequence p.97
- System setup p.97
- Navigation keys p.97
- Keys navigation p.97
- Entering bios setup program p.97
- Table 4 system and setup password p.98
- System and setup password p.98
- Deleting or changing an existing system setup password p.98
- Assigning a system setup password p.98
- Clearing cmos settings p.99
- Updating the bios in windows p.100
- Updating the bios p.100
- Clearing forgotten password p.100
- Updating the bios using the usb drive in windows p.101
- Updating the bios from the f12 one time boot menu p.101
- Table 5 system setup options main menu p.102
- System setup options p.102
- Table 6 system setup options advanced menu p.102
- Table 8 system setup options boot menu p.103
- Table 7 system setup options security menu p.103
- Table 6 system setup options advanced menu continued p.103
- Table 9 system setup options exit menu p.104
- Table 8 system setup options boot menu continued p.104
- System diagnostic lights p.105
- Troubleshooting p.105
- Table 10 diagnostics p.105
- Supportassist diagnostics p.105
- Built in power test bist p.105
- Wifi power cycle p.106
- Table 11 troubleshooting steps p.106
- Running bist p.106
- Recovering the operating system p.106
- Flea power release p.107
- Table 12 alienware products and online self help resources p.108
- Self help resources p.108
- Getting help and contacting alienware p.108
- Contacting alienware p.108
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Узнайте, как диагностировать проблемы с питанием и восстановить операционную систему вашего компьютера с помощью простых шагов и инструментов.