repair hp48sx



#7

when i put new batteries in my hp,i lost i screen display except for a tiny red x at the top.how or where can i get it back to a working condition ? thanks


#8

OK, More info needed...

How do you get a red x on a calculator with a green tinted LCD screen?


#9

fred ,i dont know how but it is red,

#10

Did you try the master reset switch under the rubber foot?


#11

randy thaanks for the sugestion which rubber foot?none of them will come out.thanks again.


#12

Turn the bottom of the case of your HP 48 in plain sight and dig out the right upper rubber foot. Underneath (sometimes it's the left foot) there is a small hole with letter R for Reset righ beside it. Use a copper paper clip to press the switch at the bottom of that hole. [VPN]


Possibly Related Threads...
Thread Author Replies Views Last Post
  HP41 emulator for HP48sx - keyboard overlay needed Doug (NYC) 3 841 12-31-2012, 03:11 PM
Last Post: Allen
  HP48SX seems fully functional won't run SELF TESTS? Bruce Larrabee 5 1,077 07-16-2012, 11:04 PM
Last Post: Luiz C. Vieira (Brazil)
  Did We Miss The 20th Anniv. of the HP48SX? Jake Schwartz 6 905 03-19-2010, 05:55 AM
Last Post: Bill Zimmerly
  HP48SX accuracy questioned. Pal G. 3 737 09-10-2009, 09:01 PM
Last Post: hugh steers
  HP48SX LCD problem... Geoff Quickfall 4 758 08-16-2009, 04:35 PM
Last Post: NACHO
  Kermit K95 ver 2.1.3 GUI and the hp48sx Mike Reed 6 952 01-28-2008, 11:37 PM
Last Post: Mike Reed
  HP48SX case removal Ryan 1 370 07-19-2006, 03:58 PM
Last Post: Han
  HP48SX with black LCD (photos inside) Han 3 670 06-02-2006, 04:02 AM
Last Post: Han
  After HP48sx Walter B 5 739 03-09-2006, 04:45 PM
Last Post: Walter B
  HP48SX Repair Billy Everson 2 523 02-24-2006, 12:29 PM
Last Post: Billy Everson

Forum Jump: