Compaq Compaq Evo Desktop, 177620-006 manual Storage Boot Order list

Troubleshooting Without Diagnostics

Solving Hard Drive Problems (Continued)

Problem	Cause	Solution
Nonsystem disk/NTLDR	Hard drive boot has	Run Computer Setup and enable
missing message.	been disabled in	the hard drive entry in the
(continued)	Computer Setup.	Storage > Boot Order list.
Second Ultra ATA hard	You are using the	Reinstall the second Ultra ATA hard
drive does not perform	wrong cable for the	drive using an 80-conductor cable.
optimally.	drive type.	The 80-conductor cable is standard
		on select models.

Both slow and fast UATA devices are on the same data cable.

Change slow UATA devices to a separate data cable connected to the secondary IDE controller on the system board.

Computer will not start.	Hard drive is damaged.	Observe the beeps and LED lights
		on the keyboard. See Appendix A,
		“POST Error Messages” to
		determine possible causes.
		See your Worldwide Limited
		Warranty for details.
Computer seems to be	Program in use has	Attempt the normal Windows “Turn
locked up.	stopped responding to	off Computer” procedure. If this
	commands.	fails, press the power button for
		four or more seconds to turn off the
		power. To restart your computer,
		press the power button again.

2–14 Troubleshooting Guide