Dell 755 manual 352, Message Possible Cause

Message Possible Cause Corrective Action

CH-2 Timer Error

CMOS Battery

State Low

CMOS Checksum Failure

CMOS System Options Not Set

CMOS Display Type Mismatch

CMOS Memory Size Mismatch

CMOS Time and Date Not Set

Diskette Boot Failure

DMA Error

DMA 1 Error

DMA 2 Error

FDD Controller Failure

HDD Controller Failure

INTR1 Error

INTR2 Error

Invalid Boot

Diskette

An error is occurring on the timer on the system board.

The system configuration information in the system setup program is incorrect or the battery charge may be low.

Drive A or B is present but has failed the BIOS POST.

Error in the DMA controller on the system board.

The BIOS cannot communicate with the floppy drive or hard drive controller.

An interrupt channel on the system board failed to POST.

The operating system cannot be located on drive A or drive C.

See "Contacting Dell" on page 370 for instructions on obtaining technical assistance.

Enter the system setup program (see "System Setup" on page 280), verify the system configuration, and then restart the computer.

Ensure that the drive is installed correctly in the computer (see the "Drives" section for your computer) and defined correctly in the system setup program (see "System Setup" on page 280). Check the interface cable at both ends.

The keyboard or system board may need to be replaced.

Ensure that the floppy drive or the hard drive is installed correctly in the computer (see "Drives" section for your computer) and defined correctly in the system setup program (see "System Setup" on

page 280). Check the interface cable at both ends.

The keyboard or system board may need to be replaced.

Enter the system setup program (see "System Setup" on page 280) and confirm that drive A or drive C is properly identified.

352

Solving Problems