![Dell Alienware Aurora R12 R12-4854 [99/108] Clearing cmos settings](/img/pdf.png)
Dell Alienware Aurora R12 R12-4854 [99/108] Clearing cmos settings
![Dell Alienware Aurora R12 R12-4854 [99/108] Clearing cmos settings](/views2/1864899/page99/bg63.png)
About this task
To enter the System Setup, press F2 immediately after a power-on or reboot.
Steps
1. In the System BIOS or System Setup screen, select System Security and press Enter.
The System Security screen is displayed.
2. In the System Security screen, verify that Password Status is Unlocked.
3. Select System Password, alter or delete the existing system password and press Enter or Tab.
4. Select Setup Password, alter or delete the existing setup password and press Enter or Tab.
NOTE: If you change the System and/or Setup password, re enter the new password when prompted. If you delete the
System and Setup password, confirm the deletion when prompted.
5. Press Esc and a message prompts you to save the changes.
6. Press Y to save the changes and exit from System Setup.
The computer restarts.
Clearing CMOS settings
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the left-side cover.
About this task
The following images indicate the location of the CMOS jumper and provide a visual representation of the clearing CMOS
procedure.
Steps
1. Disconnect the system-board power cable from the system board.
2. Remove the jumper plug from pins 217 and replace it on pins 216 (P216).
3. Wait for 5 seconds.
4. Remove the jumper plug from pins 216 and replace it on pins 217.
5. Connect the system-board power cable to the system board.
Next steps
1. Remove the left-side cover.
2. Follow the procedure in After working inside 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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