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Service Hints & Tips |
Document ID: GSMH-3DLH8P |
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IBM ValuePoint - Character 'shadows' on video image
Applicable to: World-Wide
Symptom:
A limited number of PS/ValuePoint 433DX systems will display distorted images while viewing any application that uses a light coloured background with contrasting text. Applications such as OS/2, Microsoft Windows or the DOS Shell, will display three to four vertical bars along the left side of the monitor, and "Shadows" of the text characters throughout the monitor. This symptom can appear on IBM and OEM VGA or SVGA monitors.
Problem Isolation Aids:
Below are the serial numbers of the MXX models that may exhibit the failure:
MODEL |
BEGINNING |
ENDING |
M40 |
23-MAD33 |
23-MAN28 |
M43 |
23-LHBXF |
23-LHFTD |
M50 |
23-PPD74 |
23-PRR82 |
M53 |
23-LYGGD |
23-LYMLR |
The configuration utility screen, which is accessed by pressing the 'F1' key during POST, may be used to test for the presence of the failing symptom. Observe the displayed image for the vertical bars and shadows on the text.
This problem is not caused by a deteriorating condition of the system or monitor. If the symptom is not present at installation, this tip does not apply.
Fix:
If the system meets all of the above criteria, and exhibits the failure symptom, replace the system board. FRU stock of P/N52G8780 is not affected by this problem.
If the problem persists after replacing the system board, follow normal problem determination procedures to isolate the failing FRU.
Note:
If the system is displaying the failure, but the serial number does not match those listed above, utilise normal problem determination procedures to isolate the failing FRU.
SAS KEYWORDS:
PSVP PSVPBRD PSVPDISP PSVPPART
PSY2 PSY2BRD PSY2DISP PSY2PART
GHOSTING 6312 6314 MONITOR
6319 BLEEDING
Search Keywords |
| |
Hint Category |
Retain, Video | |
Date Created |
23-02-94 | |
Last Updated |
01-05-98 | |
Revision Date |
29-04-99 | |
Brand |
IBM PC | |
Product Family |
ValuePoint | |
Machine Type |
6384 | |
Model |
various | |
TypeModel |
| |
Retain Tip (if applicable) |
H001465 | |
Reverse Doclinks |