Dell Precision M40 User Manual page 72

Hardware Conflicts Hardware conflicts occur if the device is detected by the operating system but is configured incorrectly. To check for
conflicts, perform the following steps:
Hardware conflicts
1. Open the Control Panel (if you are running Windows 2000, click the Start button, point to Settings, and
occur if the device is
detected by the operating
system but is configured
2. In the Control Panel, double-click System.
incorrectly.
3. Click the Hardware tab, and click Device Manager.
4. Conflicts are indicated in the Device Manager list by a yellow exclamation point (!) beside the conflicting
Symptoms:
System hangs or
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locks up, particularly
while using a device.
5. If a hardware conflict exists, the Device status area in the Properties window shows the conflicting expansion
(Memory) parity errors
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on parity-enabled
systems.
To resolve conflicts, see your operating system documentation.
Noise or other
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problems from sound
cards.
Junk being printed on
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your printer.
The mouse pointer
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hanging and refusing
to move, or moving in
a stuttering fashion.
Error messages from
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Windows, messages
about the computer
not operating at
maximum
performance, or the
system dropping to
"Safe Mode" or "MS-
DOS Compatibility
Mode".
Errors and crashes of
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applications for no
apparent reason.
Incorrect Computer Basic Checks:
Memory Amount
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During POST, the
computer checks the
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computer's memory, and
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then writes to and reads from
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the number of available bytes
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to ensure proper operation.
If the problem still exists after you complete the basic checks, fill out the
following steps:
1. Reboot the computer. Does the random-access memory (RAM) count displayed correctly match the actual
2. Save and close any open files, exit any open programs, and remove any installed batteries.
3. Turn off the computer and disconnect it from the AC adapter. Then disconnect the AC adapter from the
4. Ground yourself by touching one of the metal connectors on the back of the computer.
5. Turn the computer over and remove the
6. Install the new memory module(s).
7. Replace the memory module cover.
8. Reboot the computer, and press <F2> when prompted to enter the system setup program.
9.
PC Card Problems Basic Checks:
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If you still have problems with a Dell-provided PC Card,
double-click Control Panel).
device. A red X beside a device indicates that the device is disabled in the current hardware profile.
View the status of a device by double-clicking the type of device, clicking Properties, and clicking the General
tab.
cards or devices.
If an insufficient memory message appears, save and close any open files and exit any open programs not in
use.
Consider installing additional system memory.
Run the System Memory test as described in
Reseat the memory modules.
Restart the computer.
amount of memory installed in the computer?
Yes. The computer needed to update the memory; the memory check phase is okay now.
No. Go to step 2.
electrical outlet. Turn off any attached devices, and disconnect them from their power sources and then from the
computer.
Call Dell for technical assistance.
Ensure that the PC Card is properly inserted into the connector.
Ensure that the card is recognized by the Windows operating system:
1. Double-click the Unplug or Eject Hardware icon in the Windows taskbar.
2. Ensure that the card is listed.
"Dell Diagnostics."
Diagnostics Checklist
memory module cover and the memory modules.
call Dell for technical assistance. If you have problems with a
as you perform the