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From: christie@extro.ucc.su.OZ.AU (Chris Tham)
Newsgroups: comp.sys.handhelds
Subject: Re: Missing line of pixels on hp 48sx
Message-ID: <1991Jun16.100612.19589@metro.ucc.su.OZ.AU>
Date: 16 Jun 91 10:06:12 GMT
References: <91163.161609MASONS1@vm.utcs.utoronto.ca>
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Organization: Uni Computing Service, Uni of Sydney, Australia
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In article <91163.161609MASONS1@vm.utcs.utoronto.ca> MASONS1@vm.utcs.utoronto.ca writes:
>  My HP 48sx was bought in october of last year, recently I noticed that an
>entire line of pixels -- horizontally across the center of display does not
>appear to be *working* . Any characters that occupy this section of the screen
>appear to have a streak through it. I have not tried changing the batteries as
>yet as I am curious to know if others have experienced a similar problem.
>Thanks for any info as to the cause/cure.

I have the same problem with my HP-48SX (Corvallis Rev E) except in my case
an entire column of pixels is blank.  Changing batteries, running self test,
pressing reset, adding/removing cards do not work.  In desperation, I even
tried the Display Melt procedure in the hope that the screwy voltage would
jolt the pixels back on.  No go.

Sometimes, however, whilst running self test (which says OK 48 by the way,
the little liar!) the column of pixels magically come on for a split second
before disappearing again.

I rang up HP in Australia and they told me to send it in and get a
replacement but I haven't done so yet because I need it (columnless and all)
for a couple of exam papers.  I will probably send it in after my exam.
Hope yours is still under warranty!

christie