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Article #472Re: Dark line on PB 520c screen?
From: Darragh J. Delany
Date: Wed, 17 Jun 1998 00:00
Date: Wed, 17 Jun 1998 00:00
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>> During the course of normal operations this morning a mysterious line >> of darkened pixels appeared on the screen of my PowerBook 520c. It started >> at the bottom of the screen, about 6/10ths of the way over from the right >> hand side and ran up to about the middle of the screen. It appeared >> generally as a line of darkened pixels, but would sometimes switch to oddly >> coloured pixels--the pixels were never actually non-functional, since they >> still could show correct colours and shapes depending on what the >> background or window in their region happened to be. >> > >Carl, > >If you're lucky the problem is a loose connector, if you're unlucky you >may have actually damaged the PCB inside the screen. The solution could >cost you anything from 50p for a new connector, to �500 for a new >display > >A similar thing happened to me several years ago, but with the B&W >screen on a PB 520. I eventually I found a broken PB 540c in a computer >shop (dead motherboard) and added the screen to my working motherboard. > >The 'cobbled' together machine is stil running ok to this day. Since >upgrading to a PB1400/166 it spends all of it's time working on the >Bovine RC56, adding to the Evanglist team. > >-- Kate How does one ascertain which it is. I had the same problem occur on my powerbook 5300 except that the display not being colour the line was (is) black. I was planning on selling the machine but I wouldn't pass it on to anyone with this problem still there. The machine had not recieved much use when this happened either (18 months of light home use). Dj darragh@maths.tcd.ie Darragh J. Delany, Softech Telecom
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X-Google-Language: ENGLISH,ASCII X-Google-Thread: 107dd4,e3209a98b208b85f X-Google-Attributes: gid107dd4,public X-Google-Thread: f49e8,e3209a98b208b85f X-Google-Attributes: gidf49e8,public X-Google-Thread: 11065a,e3209a98b208b85f X-Google-Attributes: gid11065a,public X-Google-Thread: f5142,e3209a98b208b85f X-Google-Attributes: gidf5142,public X-Google-Thread: 10b5a2,e3209a98b208b85f X-Google-Attributes: gid10b5a2,public From: darragh@maths.tcd.ie (Darragh J. Delany) Subject: Re: Dark line on PB 520c screen? Date: 1998/06/17 Message-ID: <3588e273.3885783@news.eunet.ie> X-Deja-AN: 363544139 Content-Transfer-Encoding: 8bit References: <cea20-ya02408000R0106981336480001@nntp-serv.cam.ac.uk> <1dafe4r.3ztqspty7nbuN@tycho.demon.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Organization: EUnet Ireland customer Newsgroups: comp.sys.mac.portables,comp.sys.mac.hardware.video,ucam.comp.mac,uk.comp.misc,demon.tech.mac