These are the most common causes, based on experience. If you have a
different error code, it will be in the errors during POST section.
Does the system power up? |
Did you get more than one beep? (One beep is all correct) |
See Beep Codes |
Is the system totally dead? See Dead
System for hints |
See Troubleshoot |
85-K/N or 95A? Is JMP6
set? (up by op panel on both planars) |
See JMP6 |
56/57 or 76/77? Install the case cover if removed.
| See Security Switch |
Does anything appear on the screen? |
Screen in monochrome (not connected during boot, bad cable) |
|
Blank screen (is pin in cable bent over?) |
|
Text on screen wrong color (pin bent) |
|
Blinking cursor, no error codes (incompatible memory?) |
See Identify SIMMs |
Does an error occur during POST? |
Multiple Errors? |
See Multi-Error |
Errors 163, 165
Config lost. (Low battery, exiting setup improperly) |
|
Errors 000095XX through
028331XX |
See General Errors |
Errors 0037,
0096,
0104,
0112,
0206 |
See SCSI Errors |
Improper cabling, termination, IDs,
adapter not fully seated |
See SCSI Layout |
Errors I999XXX
(IML systems only - 76/77/85/90/95/500/700/720) |
See IML Errors |
Does the system refuse to accept refdisk? |
Do other floppies work? (If not, check type for known problems) |
|
Do you have the correct one? |
|
Did you create it correctly? |
See Create Refdisk |
Do you have a Type 4 complex based system? (05 and up needed) |
See BIOS Updates |
Adapter not recognized |
Did you correctly add ADF to Refdisk? |
See Copy ADF |
Did you do a cold boot to re-run System Programs? |
|
Is the adapter fully seated? (can also cause odd run-time errors) |
|
Hard-drive not recognized or recognized incorrectly |
Not recognized at all? Check the data and power cables. |
|
Is the drive capacity >1 GB? |
See SCSI >1 GB |
Hard-drive doesn't spin up |
Check the power cable |
|
SCSI drives: Is the "delayed start" jumper set?
(Disable it or check the SCSI adapter) |
|
Older drives may have a "stiction" problem |
See Known Problems |
No Bootable Device Found |
Check SCSI Devices in setup |
See Set SCSI Device |
Check selectable drive startup |
See Startup Sequence |
Active Partition on boot drive? |
|
Cannot Access CDROM |
Properly terminated and proper ID? |
See SCSI Layout |
Under DOS? |
See CD Install |
Does CD support parity? (required on IBM controllers) |
|
Other issues |
You might also want to check "Known Problems" |
See Known Problems |