Dell R805 owner manual No boot device, Available, No timer tick, Interrupt

Table 1-7. System Messages (continued)

Message	Causes	Corrective Actions
No boot device	Faulty or missing optical	Use a bootable USB key, CD,
available	drive subsystem, hard drive,	or hard drive. If the problem
	or hard-drive subsystem, or	persists, see
	no bootable USB key	"Troubleshooting an SD
	installed.	Card or Internal USB Key" on
		page 152 and
		"Troubleshooting a Hard
		Drive" on page 155. See
		"Using the System Setup
		Program" on page 47 for
		information on setting the
		order of boot devices.

No boot sector on Incorrect configuration

hard drive settings in System Setup program, or no operating system on hard drive.

Check the hard-drive configuration settings in the System Setup program. See "Using the System Setup Program" on page 47. If necessary, install the operating system on your hard drive. See your operating system documentation.

No timer tick	Faulty system board.
interrupt

Optical drive not Cable is not properly seated,

found or drive missing.

PCI BIOS failed PCIe device BIOS (Option

to install ROM) checksum failure detected during shadowing.

Cables to expansion card(s) loose; faulty or improperly installed expansion card(s).

See “"Getting Help" on page 175."

See "Troubleshooting an Optical Drive" on page 153.

Reseat the expansion card(s). Ensure that all appropriate cables are securely connected to the expansion card(s). If the problem persists, see "Troubleshooting Expansion Cards" on page 158.

About Your System

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