F-4 Troubleshooting Without Diagnostics
Diskette Drive Continued
A problem has occurred with
a disk transaction.
The directory structure is bad, or there is a problem with a file. In
Windows 95 or 98, run ScanDisk. Click Start
#
Programs
#
Accessories
#
System Tools
#
ScanDisk.
In Windows NT, right click Start, click Explore, and select a drive.
Select File
#
Properties
#
Tools. Under Error-checking, click Check
Now.
Non-system disk message. The system is trying to start from a nonsystem diskette. Remove the
diskette from the drive.
Drive not found. 1. Reseat the diskette drive cable.
2. If a second diskette drive has been installed, follow the computer
reconfiguration directions in the Hardware Installation Problems
section.
System has misidentified the
diskette drive type.
If a diskette drive other than a 3.5-inch, 1.44-MB drive has been
installed, ensure that the drive type is identified correctly under
Computer Setup.
Display
Problem Possible Solution
Screen is blank 1. Monitor is not turned on and the monitor light is not on. Turn on the
monitor and check that the monitor light is on.
2. Screen save has been initiated. Press any key or move the mouse
to light the screen.
3. The cable connections are not correct. Check the cable connection
from the monitor to the computer and to the electrical outlet.
4. The brightness need adjusting. Adjust the brightness control.
5. The energy saver feature has been enabled. Press any key or click
the mouse button and, if one has been set, type the password.
6. The RGB (Red, Green, Blue) input switch on the back of the monitor
is incorrectly set. Set the monitor's input switch to 75 ohms and, if
there is a sync switch, set it to External.
7. System ROM is bad and system is running in FailSafe Boot Block
mode (indicated by one long beep and three short beeps). Reflash
the ROM using a ROMPaq diskette. Refer to FailSafe Boot Block
ROM in section 3.4.1 of this book.
8. If a fixed-sync monitor is used, be sure that the monitor can accept
the same sweep rate as the resolution chosen.
9. Ensure the VGA/BNC selector is properly set.
Graphics colors are wrong. Either the cabling or the monitor impedance is incorrect.
1. Ensure that the Red, Green, and Blue BNC cables are connected to
the corresponding monitor connectors.
2. Be sure the monitor's RGB inputs are set to 75 ohms.
Continued
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