Re: Trouble with laptop display

From	Robert Heller <heller@deepsoft.com>
Newsgroups	comp.os.linux.misc, alt.os.linux, alt.comp.os.windows-10
Subject	Re: Trouble with laptop display
Date	2025-07-16 12:39 +0000
Organization	Deepwoods Software
Message-ID	<10586it$ntkh$1@dont-email.me> (permalink)
References	<7tfkklx99v.ln2@Telcontar.valinor>

Cross-posted to 3 groups.

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Backlight problem?  Eg flacky/dieing/etc. backlight power supply.  It could 
also be the lid switch (stuck, contacts wornout, etc.).  Could also be a dead 
LCD.

Does it have a VGA (external monitor) connector?  Getting an old VGA monitor 
might be an option. (Might be easier / cheaper than replacing the screen 
and/or backlight power supply or lid switch.

It might also be possible to get a "parts model" off E-Bay cheap and do some 
transplant surgery,,,

At Wed, 16 Jul 2025 13:44:07 +0200 "Carlos E.R." <robin_listas@es.invalid> wrote:

> 
> Hi,
> 
> I have an old Compaq Presario CQ61-330SS laptop, which I think I bought 
> around 2010. Battery died, I replaced it, also died eventually. 
> Currently I only use it to watch movies (it has very good internal 
> speakers), when exercising on an static bike.
> 
> <https://icecat.es/es/p/hp/vk845ea/compaq+presario-laptops-0884962367797-cq61-330ss-3589205.html>
> 
> Some months ago, the display went black on boot, but closing the lid and 
> opening it again made it work. Today it is impossible, it goes dark 
> instants after opening the lid. I have repeated the operation dozens of 
> times. It happens before booting and keeps doing it after booting. It 
> makes the thing totally unusable.
> 
> I just replaced the CMOS battery (it reads 3 volts). On boot, it says 
> something about replaced battery, needs to reset, but I don't have time 
> to read what key to press, if any.
> 
> So that battery was not the problem.
> 
> 
> Installed system is openSUSE, some old version, I don't remember which. 
> I can not ssh to it, says
> 
> cer@Telcontar:~> ssh root@minas-tirith
> Bad server host key: Invalid key length
> cer@Telcontar:~>
> 
> It also has Windows.
> 
> But the problem happens before booting, so the operating system is not 
> involved.
> 
> 
> What do you think may be going on?
> 

-- 
Robert Heller             -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software        -- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
heller@deepsoft.com       -- Webhosting Services

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Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-16 13:44 +0200
  Re: Trouble with laptop display Marco Moock <mm@dorfdsl.de> - 2025-07-16 14:00 +0200
    Re: Trouble with laptop display Java Jive <java@evij.com.invalid> - 2025-07-16 13:22 +0100
    Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-16 20:43 +0200
      Re: Trouble with laptop display Marco Moock <mm@dorfdsl.de> - 2025-07-17 08:06 +0200
        Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-17 12:16 +0200
  Re: Trouble with laptop display Arkadiusz 'Black Fox' Artyszuk <blackfox_pl@protonmail.com> - 2025-07-16 14:20 +0200
  Re: Trouble with laptop display Robert Heller <heller@deepsoft.com> - 2025-07-16 12:39 +0000
  Re: Trouble with laptop display Herbert Kleebauer <klee@unibwm.de> - 2025-07-16 14:43 +0200
  Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-16 10:29 -0400
    Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-16 20:42 +0200
  Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-16 16:49 +0100
  Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-16 11:52 -0500
    Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-16 20:41 +0200
      Re: Trouble with laptop display Java Jive <java@evij.com.invalid> - 2025-07-16 21:11 +0100
        Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-16 17:21 -0400
      Re: Trouble with laptop display "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-07-16 20:12 +0100
        Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-16 17:15 -0400
        Re: Trouble with laptop display not@telling.you.invalid (Computer Nerd Kev) - 2025-07-17 09:10 +1000
      Re: Trouble with laptop display Jack <Jack@invalid.invalid> - 2025-07-16 19:09 +0000
        Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-16 22:30 +0200
          Re: Trouble with laptop display Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-16 16:58 -0700
            Re: Trouble with laptop display Robert Heller <heller@deepsoft.com> - 2025-07-17 01:58 +0000
              Re: Trouble with laptop display Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-07-17 03:29 +0000
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-17 12:21 +0200
      Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-16 18:12 -0500
      Re: Trouble with laptop display Paul in Houston TX <Paul@Houston.Texas> - 2025-07-16 20:42 -0500
      Re: Trouble with laptop display "J.O. Aho" <user@example.net> - 2025-07-17 08:34 +0200
      Re: Trouble with laptop display c186282 <c186282@nnada.net> - 2025-07-17 03:37 -0400
        Re: Trouble with laptop display "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-07-17 10:16 +0100
          Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-17 13:00 +0200
            Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-17 13:50 +0100
              Re: Trouble with laptop display "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-07-17 17:04 +0100
                Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-17 13:11 -0500
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-17 20:25 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-17 19:58 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 08:51 +0200
                Re: Trouble with laptop display Simon <SimonJ@eu.invalid> - 2025-07-18 06:04 +0000
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 11:12 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 12:48 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 13:31 +0100
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-17 19:57 +0100
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-17 19:50 +0100
            Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-17 13:04 -0500
              Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-17 20:29 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-17 19:56 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 09:01 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 11:14 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 12:26 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 13:29 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 21:18 +0200
                Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-17 16:22 -0500
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 09:13 +0200
                Re: Trouble with laptop display "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-07-18 10:53 +0100
                Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-18 18:47 -0500
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-19 02:12 +0200
                Re: Trouble with laptop display Hank Rogers <Hank@nospam.invalid> - 2025-07-18 19:53 -0500
                Re: Trouble with laptop display VanguardLH <V@nguard.LH> - 2025-07-18 20:45 -0500
                Re: Trouble with laptop display Hank Rogers <Hank@nospam.invalid> - 2025-07-18 21:22 -0500
                mini-PC (was: Trouble with laptop display) Frank Slootweg <this@ddress.is.invalid> - 2025-07-18 19:58 +0000
                Re: mini-PC "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 22:28 +0200
                Re: mini-PC (was: Trouble with laptop display) c186282 <c186282@nnada.net> - 2025-07-18 23:38 -0400
            Re: Trouble with laptop display Robert <invalid@invalid.invalid> - 2025-07-17 21:56 +0000
              Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 09:49 +0200
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 11:08 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 11:11 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 12:22 +0200
                Re: Trouble with laptop display Jack <Jack@invalid.invalid> - 2025-07-18 20:24 +0000
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 22:05 +0100
                Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-18 18:31 -0400
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-19 00:50 +0100
                Re: Trouble with laptop display "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-07-19 01:35 +0100
                Re: Trouble with laptop display Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-18 19:42 -0700
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-19 15:11 +0200
                Re: Trouble with laptop display Simon <SimonJ@eu.invalid> - 2025-07-19 13:36 +0000
                Re: Trouble with laptop display not@telling.you.invalid (Computer Nerd Kev) - 2025-07-20 09:55 +1000
                Re: Trouble with laptop display rbowman <bowman@montana.com> - 2025-07-20 02:02 +0000
                Re: Trouble with laptop display Daniel70 <daniel47@eternal-september.org> - 2025-07-20 21:10 +1000
                Re: Trouble with laptop display Simon <SimonJ@eu.invalid> - 2025-07-20 05:00 +0000
                Re: Trouble with laptop display Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-19 21:43 -0700
                Re: Trouble with laptop display rbowman <bowman@montana.com> - 2025-07-20 05:29 +0000
                Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-20 07:34 -0400
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-20 21:04 +0200
                Re: Trouble with laptop display Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-20 14:40 -0700
                Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-20 20:43 -0400
                Re: Trouble with laptop display rbowman <bowman@montana.com> - 2025-07-21 04:42 +0000
                Re: Trouble with laptop display rbowman <bowman@montana.com> - 2025-07-20 19:50 +0000
                Re: Trouble with laptop display Daniel70 <daniel47@eternal-september.org> - 2025-07-21 19:41 +1000
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-21 12:16 +0200
                Re: Trouble with laptop display Daniel70 <daniel47@eternal-september.org> - 2025-07-21 22:26 +1000
                Re: Trouble with laptop display Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-07-21 17:35 +0000
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-21 19:55 +0200
                Re: Trouble with laptop display Paul <nospam@needed.invalid> - 2025-07-21 17:37 -0400
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-22 00:36 +0200
                Re: Trouble with laptop display Daniel70 <daniel47@eternal-september.org> - 2025-07-22 19:57 +1000
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-22 12:08 +0200
                Re: Trouble with laptop display Daniel70 <daniel47@eternal-september.org> - 2025-07-22 21:38 +1000
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-22 12:46 +0100
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-20 12:54 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-20 20:55 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-20 20:22 +0100
                Re: Trouble with laptop display rbowman <bowman@montana.com> - 2025-07-20 19:54 +0000
                Re: Trouble with laptop display Simon <SimonJ@eu.invalid> - 2025-07-21 09:02 +0000
                Re: Trouble with laptop display Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-19 21:44 -0700
                Re: Trouble with laptop display Java Jive <java@evij.com.invalid> - 2025-07-20 13:41 +0100
                Re: Trouble with laptop display "J. P. Gilliver" <G6JPG@255soft.uk> - 2025-07-20 17:52 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-20 21:05 +0200
                Re: Trouble with laptop display rbowman <bowman@montana.com> - 2025-07-20 19:56 +0000
                Re: Trouble with laptop display Java Jive <java@evij.com.invalid> - 2025-07-21 12:55 +0100
                Re: Trouble with laptop display Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-20 15:00 -0700
                Re: Trouble with laptop display Robert Riches <spamtrap42@jacob21819.net> - 2025-07-22 02:43 +0000
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 23:25 +0200
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-19 00:07 +0200
                Re: Trouble with laptop display The Natural Philosopher <tnp@invalid.invalid> - 2025-07-18 11:08 +0100
                Re: Trouble with laptop display "Carlos E.R." <robin_listas@es.invalid> - 2025-07-18 21:22 +0200

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