Question about Texas Instruments TI-85 Calculator

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Power-up TI-85 When I pressed "YES" during rest to factory settings, the display did not show the messages Mem cleared and Defaultset. The calculator just shut powered off and now can't power on.

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  • Anonymous Mar 04, 2009

    used 2nd and up key
    but still did not power on



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  • 35 Answers

Come on, It's the contrast. Turn it up with [2nd] [↑].

Posted on Feb 24, 2009

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HELP! ACT Emergency!


For the TI-83 Plus Family, TI-84 Plus Family:

Caution: The resets described in these troubleshooting steps will cause a loss of applications, programs and data. If at all possible please create a backup using TI Connect first.

1. Try a new set of AAA batteries.
2. Adjust the contrast by pressing and releasing the 2nd key followed by pressing and releasing the up arrow; repeat as necessary. To adjust or lighten the display, use the down arrow.
3. Remove one of the AAA batteries. Press and hold the CLEAR key. While holding CLEAR, reinsert the AAA battery and then turn the calculator on. The calculator should display the message "RAM Cleared". Release the CLEAR key and then press it one more time to remove the message.
4. Remove one of the AAA batteries. Press and hold the DEL key. While holding DEL reinsert the AAA battery and then turn the calculator on. The calculator should display "Waiting...Please install calculator software now". Follow the instructions for the TI-83 family or TI-84 Plus family to reinstall the calculator operating system.
5. Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.

Jun 08, 2013 | Texas Instruments TI-85 Calculator

1 Answer

Mem cleared Changed out the batteries and received a messege mem cleared and nothing will work.


Follow this steps to resolve this problem:

1. Press ON to turn calcilator on

2. Press 2nd and then press + key button. TI- 81 displays RESET menu

3. Press 2 to select the RESET, the second item in the RESET menu. The display shows the message Mem cleared. Press CLEAR to clear the screen

If you cannot see anything on the screen, you may need to adjust the graphing TI- 81 calculator contrast:

-To darken the screen, press and release 2nd key, and then press and hold up-arrow key until the display is sufficiently dark

- To lighten the screen, press and release 2nd key, and then press and hold down-arrow key until the display is sufficiently light

Aug 22, 2012 | Texas Instruments TI-81 Calculator

1 Answer

My ti-84 plus it does not respond to the function + or - OR other function, & it come up to display very slow ,slow. thanks


Hi xvbanh,

You need to free up some memory. Try clearing your RAM. Your calculator should operate properly afterward.

Go to [2nd] [MEM] [7] [1] [2]

If your calculator still won't let you delete the RAM memory try the procedure below.

Remove one of the AAA batteries. Press and hold the [CLEAR] key. While holding [CLEAR],
reinsert the AAA battery and then turn the calculator on. The calculator should display the
message "RAM Cleared". Release the [CLEAR] key and then press it one more time to remove the message.

Jan 06, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

Tengo una calculadora ti-84 plus silver edition no puedo graficar porque sale err:dim no val un ejeploo es x*2(x a la 2)


If you got the message while trying to draw a graph
  1. Press [2nd][Y=] (STAT PLOT)
  2. Choose option [4:PlotsOff][ENTER]. Screen displays Done
If message popped up while doing something else that involves lists or matrices, the length of lists may be different, or the dimensions of matrices may not be compatible.

To Clear the lists:
  1. Press [2nd][0] (CATALOG)
  2. Press [PGRM] (C) to jump to first command that starts with c.
  3. Use arrow to scroll down to ClrAllLists, select it [ENTER]
  4. Calculator displays Done
  5. Start the new problem.
To reset the Ram press [2nd][+] (MEM) [7:Reset][1:All Ram][2:Reset]. Press [CLEAR] to erase the Ram Cleared message.

When the RAM is cleared, the calculator is reset. The calculator resets itself after a battery change.

Aug 23, 2010 | Texas Instruments TI-83 Plus Calculator

2 Answers

I need to clear the apps so that my students can test. What is the easiest way to do this?


You can reset all of the memory. The RAM, user data archive memory, and system variables are restored to factory settings. All nonsystem variables, applications, and programs are deleted.

Press 2ND [MEM] to display the MEMORY menu.

Select 7 to display the RAM ARCHIVE ALL menu.

Press right/arrow twice to display the ALL menu.

Select 1 to display the RESET MEMORY menu.

To continue with the reset, select 2. The message "Mem cleared" is displayed on the home screen.

May 21, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Whenever I try to graph the y= I get an Err: Invalid DIM 1: Quit message


  1. Press [2nd][Y=] (STATPLOT)
  2. Choose option [4:PlotsOff][ENTER]. Screen displays Done
  3. Press [2nd][0] (CATALOG)
  4. Press [PGRM] (C) to jump to first command that starts with c.
  5. Use arrow to scroll down to ClrAllLists, select it [ENTER]
  6. Calculator displays Done
  7. Start the new problem
To reset the Ram press [2nd][+] (MEM) [7:Reset][1:All Ram][2:Reset]. Press [CLEAR] to erase the Ram Cleared message.

Feb 21, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

I have a problem with my ti 83. i am traying to graph a equation and it shows me ERR:INVALID DIM 1:QUIT


  1. Press [2nd][Y=] (STATPLOT)
  2. Choose option [4:PlotsOff][ENTER]. Screen displays Done
  3. Press [2nd][0] (CATALOG)
  4. Press [PGRM] (C) to jump to first command that starts with c.
  5. Use arrow to scroll down to ClrAllLists, select it [ENTER]
  6. Calculator displays Done
  7. Start the new problem
To reset the Ram press [2nd][+] (MEM) [7:Reset][1:All Ram][2:Reset]. Press [CLEAR] to erase the Ram Cleared message.

Feb 19, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

How do I reset it to the factory settings?


Hi
To reset the Ram, press [2nd][MEM][7:Reset][1:All Ram][2:Reset] Press the [CLEAR] button to erase the "Ram Cleared" message.
Occasionally, one has to adjust the screen contrast.

To adjust screen contrast
  1. Press [2nd] key and release it.
  2. Press and hold
  • Up arrow to darken the screen, or
  • Down Arrow to lighten it
Hope it helps.

Dec 09, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

How do i reset by TI 84 Graphing calculator?


Hello.
To reset all Ram press [2nd][MEM][7:Reset][1:ALL RAM][2:Reset][ENTER] , then press [CLEAR] yo claer the Ram Cleared Message.
If the extra programs that are loaded in the calculator are not archived they qill be erased.

Te reset the default configuration press [2nd][MEM][7:Reset][2:Defaults][2:Reset][ENTER]. Press [CLEAR] to clear meassage.
If you plan to do statistics, old lists will not be erased. This is the cause of many errors.

Hope it helps.


Oct 08, 2009 | Texas Instruments TI-85 Calculator

3 Answers

Calculator will not come on


I have the same problem with the calc not responding to removing one batt and reinstalling while holding clear, etc. My fix is to hook up wires to the battery leads and plug the wire into a 120 volt outlet. Watch it light up, but do NOT breath the smoke as it is extremely toxic. ;-) lkw

Aug 25, 2006 | Texas Instruments TI-83 Plus Calculator

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