6-4     Chapter 6:  Preparing to upgrade
Using the Windows 95 Device 
Manager
Use the Windows 95 Device Manager to verify system 
device settings or to resolve system resource conflicts, such 
as those that might occur with Interrupt Request (IRQ) and 
Direct Memory Access (DMA) resources.
Follow these steps to start the Device Manager and change 
device settings:
1.
From the Windows 95 desktop, double-click on the 
My 
Computer
 icon.
2.
In the My Computer window, double-click on the 
Control Panel
 icon.
3.
In the Control Panel window, double-click on the 
System
 icon.
4.
In the System Properties window, click on the 
Device 
Manager
 tab.
5.
Select a device item then click on the 
Properties
 
button. A display box appears showing the properties 
of the device.
6.
Make the necessary changes in the settings that will 
not conflict with other devices.
7.
Click on 
OK
.
Opening the system unit
Each time you open your system unit, you must follow 
specific safety procedures to ensure that you do not damage 
your computer.
Taking safety precautions
For your safety and the safety of your equipment, follow 
these steps before you remove the system unit cover:
1.
If your computer is on, or in ‘suspend’ mode, shut 
down the machine.
2.
Turn off the monitor and any external components, 
such as a printer.
3.
Unplug all cables from the system unit except the 
system unit power cord. Be sure to disconnect any 
telephone line connections as well.
4.
Proceed to the next section for instructions on 
removing the cover.
Note:
In the UK, by law, the telephone line cable must be 
connected after the power cord.
In the UK, by law, the power cord must be 
disconnected after the telephone line cable.
v65xahb.book : chap-6.fm  Page 4  Friday, January 16, 1998  4:27 PM