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Compaq Deskpro 1000 Series of Personal Computers 2-11
2.3.7 Hardware Installation Problems
This section identifies some quick checks for hardware problems.
Table 2-7
Solutions for Hardware Installation Problems
Problem Possible Solutions
A new device is not recognized as
part of the computer system.
1. The Computer Setup utility has not been run to configure the new
device. Run the Computer Setup utility.
2. When the system advised you of changes to the configuration, you
did not accept them. Reboot the computer and follow the
instructions for accepting the changes.
3. The system may not have automatically recognized the new device.
If Windows 3.1 is installed, run Computer Setup and identify the
new device. If Windows 95 is installed, run Device Manager and
identify the device.
4. A Plug and Play board may not automatically configure when added
if the default configuration conflicts with other devices. Run
Computer Setup (Windows 3.1 installed) or run Device Manager
(Windows 95 installed) to deselect the automatic settings for the
board and choose a basic configuration that doesn’t cause a
resource conflict.
5. The cables for the new external device are loose or the power
cables are unplugged. Check all cables.
6. The power switch for the new external device is not turned on. Turn
off the computer, turn on the external device, and then turn the
computer on to integrate the new device with the computer.
7. If the drive is a secondary drive that has just been installed on the
same controller as the primary drive, verify that the jumpers for both
drives are set correctly.
The computer supports Plug and
Play, but the hardware
configuration settings in Computer
Setup do not match the settings in
Windows 95 Device Manager.
In Windows 95, onboard serial devices that are assigned to ports other
than COM1 or COM2, have their configuration saved statically in
CMOS. When the system is rebooted, the ROM configures the device
to the static setting; when Windows 95 loads, it configures the device
to the configuration set via Device Manager. In such cases, the
configuration shown when CMOS Setup is run does not match what
was set up via Device Manager.
If these devices must be configured a certain way before Windows 95
loads, then the serial port devices on the system should only be
configured to COM1 or COM2 resources. If the system has two serial
devices plus a modem, then the first serial device can be COM1 or
COM2 or disabled, the modem can be COM1 or COM2 or disabled,
and the second serial device can be COM4 or disabled.