Display problems / broken?

If you're having problems with the hardware of a DM42, post about them here.
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SeaTurtle22
Posts: 2
Joined: Sun Sep 15, 2019 12:55 am

Display problems / broken?

Post by SeaTurtle22 » Mon Nov 04, 2019 9:25 pm

I recently pulled my dm42 out of my pocket a d discovered the screen was unresponsive. The off image was frozen in place and no button presses helped. I unplugged the ribbon cable and plugged it in again and now the screen shows nothing at all. The unit itself seems okay, and when I press the volume adjust button it beeps as it should. Please help.

DougWagner
Posts: 3
Joined: Sun Feb 11, 2018 11:53 am

Re: Display problems / broken?

Post by DougWagner » Tue Nov 05, 2019 2:55 pm

Have you tried using a paper clip to perform a reset on the bottom of the case?

HPMike
Posts: 92
Joined: Fri Jul 21, 2017 9:01 pm
Location: DFW, Texas

Re: Display problems / broken?

Post by HPMike » Tue Nov 05, 2019 9:00 pm

Volume adjust button ?
DM15L, S/N 00548. DM42, SN: 00159.

Joe Horn
Posts: 11
Joined: Thu Oct 04, 2018 12:10 am

Re: Display problems / broken?

Post by Joe Horn » Tue Nov 05, 2019 9:07 pm

HPMike wrote:
Tue Nov 05, 2019 9:00 pm
Volume adjust button ?
F4 (the key above the LOG key) adjusts the beeper volume when there is no menu (or the F2 menu).

HPMike
Posts: 92
Joined: Fri Jul 21, 2017 9:01 pm
Location: DFW, Texas

Re: Display problems / broken?

Post by HPMike » Tue Nov 05, 2019 10:13 pm

Joe Horn wrote:
Tue Nov 05, 2019 9:07 pm
HPMike wrote:
Tue Nov 05, 2019 9:00 pm
Volume adjust button ?
F4 (the key above the LOG key) adjusts the beeper volume when there is no menu (or the F2 menu).
I had never noticed that feature. Thanks !
DM15L, S/N 00548. DM42, SN: 00159.

SeaTurtle22
Posts: 2
Joined: Sun Sep 15, 2019 12:55 am

Re: Display problems / broken?

Post by SeaTurtle22 » Sun Nov 10, 2019 6:47 am

DougWagner wrote:
Tue Nov 05, 2019 2:55 pm
Have you tried using a paper clip to perform a reset on the bottom of the case?
It beeps but the display does nothing

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Walter
Posts: 1100
Joined: Tue May 02, 2017 9:13 am
Location: Close to FRA, Germany

Re: Display problems / broken?

Post by Walter » Sun Nov 10, 2019 11:01 am

SeaTurtle22 wrote:
Sun Nov 10, 2019 6:47 am
DougWagner wrote:
Tue Nov 05, 2019 2:55 pm
Have you tried using a paper clip to perform a reset on the bottom of the case?
It beeps but the display does nothing
Just FYI, mine doesn't beep in resetting but it clears the screen ...

Perhaps there's a real HW problem. Did you look at the LCD connector? Maybe loose?
DM42 SN: 00041 --- Follower of Platon.

HP-35, HP-45, ..., HP-50, WP 34S, WP 31S, DM16L

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