Compaq 4160T SLIMLINE, 4130T, 4150T, 4140T, 4131T, 4200, 4125T Solving Hardware Installation Problems

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Solving Hardware Installation Problems

Some common causes and solutions for hardware installation problems are listed in the following table.

Table 2-20

Solving Hardware Installation Problems

Problem	Probable Cause	Solutions(s)
A new device is not	Cable(s) of new external	Ensure that all cables are properly and
recognized as part of	device are loose or	securely connected.
the computer system.	power cables are unplugged.

Power switch of new external device is not turned on.

Turn off the computer, turn on the external device, then turn on the computer to integrate the device with the computer system.

Device is not seated properly. Turn off the computer and reinsert the

device.

Solving Infrared Connection Problems

Some common causes and solutions for infrared connection problems are listed in the following table.

Table 2-21

Solving Infrared Connection Problems

Problem	Cause	Solution(s)
Cannot link with another	Interrupt request (IRQ) conflict.	Check IRQ assignments for conflicts and
computer.		reassign as necessary.
	Baud rate conflict.	Select the same baud rate for both
		computers.
Data transmission problem.	Direct sunlight, fluorescent	Remove the interfering light sources.
	light, or flashing incandescent
	light is close to the infrared
	connections.
	Interference from other	Keep remote control units such as wireless
	wireless devices.	headphones and other audio devices away
		from the infrared connections
	Physical obstruction.	Do not place objects between the two units
		that will interfere with a line-of-sight data
		transmission.
	Movement.	Do not move either unit during data
		transmission.
	Orientation.	Adjust devices so that they point within
		30 degrees of each other.
	Distance.	Verify that devices are not more than
		3 feet (1 m) apart.

2-22 Troubleshooting