From owner-freebsd-questions@FreeBSD.ORG Mon Apr 13 00:16:06 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7512F106566C for ; Mon, 13 Apr 2009 00:16:06 +0000 (UTC) (envelope-from arab@tangerine-army.co.uk) Received: from smtp-out2.blueyonder.co.uk (smtp-out2.blueyonder.co.uk [195.188.213.5]) by mx1.freebsd.org (Postfix) with ESMTP id 098B48FC14 for ; Mon, 13 Apr 2009 00:16:05 +0000 (UTC) (envelope-from arab@tangerine-army.co.uk) Received: from [172.23.170.137] (helo=anti-virus01-08) by smtp-out2.blueyonder.co.uk with smtp (Exim 4.52) id 1Lt9Rf-0006Y8-5g; Mon, 13 Apr 2009 00:50:39 +0100 Received: from [92.238.154.32] (helo=Mercury.galaxy.lan.lcl) by asmtp-out3.blueyonder.co.uk with esmtp (Exim 4.52) id 1Lt9Re-0005K9-Ev; Mon, 13 Apr 2009 00:50:38 +0100 Date: Mon, 13 Apr 2009 00:49:18 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message-ID: <01FB8F39BAD0BD49A6D0DA8F78973929567A@Mercury.galaxy.lan.lcl> In-Reply-To: Content-class: urn:content-classes:message X-MS-Has-Attach: X-MS-TNEF-Correlator: X-MimeOLE: Produced By Microsoft Exchange V6.5 Thread-Topic: (OT) good laptop hardware repair group or forum Thread-Index: Acm7tmsVzWylDsBrQnaLPnDnKv9IsgAEiTkg From: "Graeme Dargie" To: "Tim Judd" , "Chris Whitehouse" Cc: Glen Barber , User Questions Subject: RE: (OT) good laptop hardware repair group or forum X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Apr 2009 00:16:06 -0000 -----Original Message----- From: Tim Judd [mailto:tajudd@gmail.com]=20 Sent: 12 April 2009 21:38 To: Chris Whitehouse Cc: Glen Barber; User Questions Subject: Re: (OT) good laptop hardware repair group or forum On Sun, Apr 12, 2009 at 4:55 AM, Chris Whitehouse = wrote: > Glen Barber wrote: > >> Hi, Chris >> >> On Sat, Apr 11, 2009 at 9:13 PM, Chris Whitehouse = >> wrote: >> >>> Hi all >>> >>> very sorry for this OT post, does anyone know of a good usenet or = other >>> forum to ask about laptop hardware repair? My quite expensive and = now >>> out-of-warranty HP laptop has suddenly become very dead and I'm in = shock >>> :(( >>> >>> >> Even though it's (OT), maybe some of us could be able to help. = What's >> the problem? >> >> I will try the HP support forums as suggested but... > > It's a nc6320 (RH383ET#ABU) and was in good condition not too much = used and > has never given trouble. It was booting, with mains and battery = plugged in, > when it suddenly and instantaneously lost power. Now it is completely = dead, > no LEDS. It made a couple of clicks as it died, one of which might = have been > the hard disk head parking. > > The power supply is showing what looks like the right voltage. The = battery > has 6 connectors, I tested between all combinations of pairs but all = were > zero voltage. I also tested between all pairs of battery connector = pins in > the back of the laptop with the power plugged in, also zero voltage. > > I am suspicious of the battery showing zero, I think it might need = wake up > power from the laptop. Does anyone know if this is the case and what = pins > need power? > > I left the power supply plugged in and it and an area on the underside = of > the laptop were mildly warm after some time so some current is = flowing. > > That's all I can say. I will take the hard disk out and test. Luckily = it > didn't have critical data on it. I'm also competent to dismantle the = laptop > if anyone can suggest a fix. > > Thanks > > Chris > My grandmother had a HP that just died too. My brother took the first = stab at it, describing it as a likely "DC-DC converter" problem, and I was = seeing indication of a bad seat on the CPU. It was working just fine and for = the CPU to become unseated is not likely. I tore that machine apart until I couldn't figure out how to get the top or bottom plate off that = surrounds the motherboard. I didn't fix it, but we all gave up and she went and bought another system. The DC-DC converter is what takes the 18V (or whatever) the = mains/battery supplies, and breaks it out into the 3.3V, 5V, 12V, etc needed to power = all the various components. We never ordered one and tried it. We just replaced the machine. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to = "freebsd-questions-unsubscribe@freebsd.org" You could try re-seating the ram should be located in one of the hatches = on the underside of the unit, its free and worth a go just incase, if = that fails I would seriously consider a new laptop, I have seen prices = for HP mainboards that run in the =A3300-500 region. Regards Graeme Dargie