![](/images/new-backgrounds/1266690/26669077x1.webp)
Troubleshooting
Table
System Configuration Menu (Continued)
Select | To do this |
Device Configurations ■ Swap the functions of the fn key and left ctrl key.
■Enable/disable multiple standard pointing devices at startup. (To set the computer to support only a single, usually nonstandard, pointing device at startup, select Disable.)
■Enable/disable USB legacy support. When enabled, USB legacy support allows the following:
❐Use of a USB keyboard, mouse, and hub in Computer Setup even when a Windows operating system is not running.
❐Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer or to an optional docking device (select models only).
■Select a parallel port mode: EPP (Enhanced Parallel Port), standard, bidirectional, or ECP (Enhanced Capabilities Port).
■Enable/disable BIOS DMA data transfers.
■Enable/disable fan always on while connected to an AC outlet.
■Enable/disable Intel® Data Execution Prevention or AMD® PSAE Execution Disable. When enabled, the processor can disable some virus code execution, which helps to improve computer security.
■Enable/disable LAN Power Save. When enabled, saves power by turning off the LAN when not in use.
■Enable/disable SATA Native Mode.
■Enable/disable Dual Core CPU.
■Enable/disable Secondary Battery Fast Charge.
Maintenance and Service Guide |