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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


Note:
Bar code header on the system board has the header numbers B11DD or B11DB.
Example Bar Code label: B11DD000000 52G0000 000.
The Bar Code label is located next to the riser card socket.

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

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