HP Z400 H2D81US manual Solving diskette problems, 3Diskette problems, Select FilePropertiesTools

Table 6-2Power supply problems (continued)

Problem Cause Solution

c. Replace the device causing the failure

d. Continue adding devices one at a time to verify that all devices are functioning.

2. Verify power supply functionality.

a. Disconnect AC power.

b. Remove the internal power supply cables from system board (you do not need to remove power supply from chassis).

c. Plug in AC power.

● If the power supply fan spins and the LED illuminates (see Testing power supply on page 119), the power supply is good. Replace the system board.

● If the power supply fan does not spin or the

LED does not illuminate (see Testing power supply on page 119), replace the power supply.

Solving diskette problems

Table 6-3Diskette problems

Problem	Cause	Solution
Diskette drive light stays on.	Diskette is damaged.	1. Right-click Start, select Explore, and then select a
			drive.
		2.	Select File>Properties>Tools.
		3.	Under Error-checking, select Check Now.
	Diskette is incorrectly inserted.	Remove and reinsert diskette.
	Files on the diskette are	Verify the program diskettes.
	damaged.
	Drive cable is not properly	Reconnect the power cable and verify that all four pins
	connected.	are connected.
Drive not found.	Cable is loose.	Reseat the diskette drive data and power cables.
	Removable drive is not seated	Reseat the drive.
	properly.
Diskette drive cannot write to a	Diskette is not formatted.	Format the diskette.
diskette.
	Diskette is write-protected.	Use another diskette or remove the write protection.
	Writing to the wrong drive.	Verify the drive letter in the path statement.
	There is not enough space on	Use another diskette.
	the diskette.
	Diskette write-control is	Use the Computer Setup (F10) Utility to verify the storage
	enabled.	security feature disabled settings.
	Diskette is damaged.	Replace the damaged disk.

120 Chapter 6 Diagnostics and troubleshooting ENWW