Dell Precision 490 Desktop User's Guide - Page 146

Please Connect USB Keyboard/Mouse to USB Ports on the Back of the Computer

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Memory odd/even logic failure at address, read value expecting value - Memory write/read failure at address, read value expecting value - Memory size in CMOS invalid - See Memory Problems. No boot device available - l If the floppy drive is your boot device, ensure that a bootable floppy disk is in the drive. l If the hard drive is your boot device, ensure that the cables are connected and that the drive is installed properly and partitioned as a boot device. l Enter system setup and ensure that the boot sequence information is correct (see System Setup). No boot sector on hard-disk drive - Enter system setup and ensure that the computer configuration information for the hard drive is correct (see System Setup). If the message continues to appear after you ensure that the information in system setup is correct, see your operating system documentation for reinstallation information. No timer tick interrupt - Run the Dell Diagnostics (see Dell Diagnostics). Non-system disk or disk error - Replace the floppy disk with one that has a bootable operating system or remove the floppy disk from drive A and restart the computer. Not a boot diskette - Insert bootable media and restart your computer. Not enough memory or resources. Close some programs and try again - Close all windows and open the program that you want to use. In some cases, you might have to restart your computer to restore computer resources. If so, run the program that you want to use first. Operating system not found - Contact Dell (see Contacting Dell). Please Connect USB Keyboard/Mouse to USB Ports on the Back of the Computer - Turn your computer off, connect the USB keyboard and/or mouse to the USB connectors on the back of the computer, and then restart your computer. Plug and Play Configuration Error - 1. Turn your computer off, unplug it from the electrical outlet, and then remove all but one of the cards. 2. Plug in your computer and reboot it. 3. If the message reappears, the installed card might be malfunctioning. If the message does not reappear, turn off the computer and reinsert one of the other cards. 4. Repeat this process until you identify which card is malfunctioning. Read fault - Requested sector not found - Reset failed - See Drive Problems. Sector not found - l Run the Windows error-checking utility to check the file structure on the floppy disk or hard drive. See Windows Help for instructions. l If a large number of sectors are defective, back up the data (if possible), and then reformat the floppy disk or hard drive.

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Memory odd/even logic failure at
address
, read
value
expecting
value
—
Memory write/read failure at
address
, read
value
expecting
value
—
Memory size in CMOS invalid
—
See
Memory Problems
.
No boot device available
—
l
If the floppy drive is your boot device, ensure that a bootable floppy disk is in the drive.
l
If the hard drive is your boot device, ensure that the cables are connected and that the drive is installed properly and partitioned as a
boot device.
l
Enter system setup and ensure that the boot sequence information is correct (see
System Setup
).
No boot sector on hard-
disk drive
—
Enter system setup and ensure that the computer configuration information for the hard drive is
correct (see
System Setup
).
If the message continues to appear after you ensure that the information in system setup is correct, see your operating system
documentation for reinstallation information.
No timer tick interrupt —
Run the Dell Diagnostics (see
Dell Diagnostics
).
Non-
system disk or disk error
—
Replace the floppy disk with one that has a bootable operating system or remove the floppy disk from
drive A and restart the computer.
Not a boot diskette —
Insert bootable media and restart your computer.
Not enough memory or resources. Close some programs and try again
—
Close all windows and open the program that you want to use.
In some cases, you might have to restart your computer to restore computer resources. If so, run the program that you want to use first.
Operating system not found —
Contact Dell (see
Contacting Dell
).
Please Connect USB Keyboard/Mouse to USB Ports on the Back of the Computer
—
Turn your computer off, connect the USB keyboard
and/or mouse to the USB connectors on the back of the computer, and then restart your computer.
Plug and Play Configuration Error
—
1.
Turn your computer off, unplug it from the electrical outlet, and then remove all but one of the cards.
2.
Plug in your computer and reboot it.
3.
If the message reappears, the installed card might be malfunctioning. If the message does not reappear, turn off the computer and
reinsert one of the other cards.
4.
Repeat this process until you identify which card is malfunctioning.
Read fault
—
Requested sector not found —
Reset failed
—
See
Drive Problems
.
Sector not found —
l
Run the Windows error-checking utility to check the file structure on the floppy disk or hard drive. See Windows
Help for instructions.
l
If a large number of sectors are defective, back up the data (if possible), and then reformat the floppy disk or hard drive.