Question about Texas Instruments TI-84 Plus Calculator

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Nothing happens when I clear it and then press any key. What can I do to fix this?

Replacing batteries

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My immobiliser is not working so i would like to no how to bypass it


Want to bypass your vehicle security system

You can't remove alarms or bypass them, you have to fix them.

Disconnect the battery fully for at least 2 hours.
Hold the negative and positive leads together for 5 minutes.
PUT THE KEY IN THE IGNITION, but not turned on.
Connect the Positive lead to the battery.
Connect the Negative lead in one swift movement.
Wait 15 minutes for the ECM to re-pair the chips in the key and the ignition key.

Nov 16, 2017 | Cars & Trucks

1 Answer

No power ig when turn key


old posts zero answers. what year, no year stated.?
great post, Key does nothing" clear
and is called NO CRANK, if it cant crank it cant start (m/t push starting might)
any time its a no crank,
check ALL FUSES.
1: if A/t wiggle gear shift (P then try Neutral) N might work.
2: if M/T , wiggle clutch , near floor pressed.

if CEL lamp is dead, key on, the fuses are blown.
the CEL must glow key on, or Fuses blown.
easy huh?

Sep 22, 2013 | Honda Passport Cars & Trucks

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

2 Answers

How to fix E1 error on samsung ER 5140


E1 is just operator error, it normally occurs when the wrong keys are pressed or the machine has got itself into a bit of a loop. At exactly which point does the message appear? is it when you press a certain key?

The first thing to try is an initial clear:

Turn the key to P
Press and hold SUBTOTAL
Whilst continuing to hold SUBTOTAL turn the power off... then back on
Continue to hold SUBTOTAL until the receipt stops printing
Turn the key to R and give it a test.

Nov 13, 2010 | Samsung Office Equipment & Supplies

1 Answer

My TI 83 plus is not working. when i press"on" nothing happens. I changed my AAA batteries, i even change the back maxwell battery, but nothing happened


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If this doesn't do it, please reply to this post and we'll go on from there.

Sep 27, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I place a battery and the thing that happens is the imate logo with blue screen. Taken the battery out replaced and nothing happens.same as above.


TRY HARD RESET

1) Start->Settings->System tab->Master Clear->1234->ok

2)Press soft-reset for 15sec.

3)Remove the battery, Simultaneously hold volume(-) button and red hangup button, while still holding those keys, insert the battery and wait for the led to go out, release keys and device will hard reset

the 3rd option really worked for me

May 27, 2010 | i-mate Jama 101 Smartphone

1 Answer

Hi my ti-89 won't turn on, i've tried putting in new batteries


Try a hard reset. Be aware that his will clear all RAM. Press and hold the 2nd, left-arrow, and right-arrow keys. Press and release the ON key.

Jan 02, 2009 | Texas Instruments TI-89 Calculator

2 Answers

Can't reset


Batteries:
Make sure to replace the "battery backup" too the little lithium ion battery

Try Adjusting contrast:
Hold down "[2nd]" key press up or down arrow repeatedly to lighten or darken contrast.

First attempt reseting:
Step 1: Remove all the batteries
Step 2: Hold "Clear" key down
Step 3: Still holding "Clear" key reinstall batteries
Step 4: Still holding "Clear" key press "On" key until home screen is displayed.

Second shot reseting:
remove all batteries including lithium ion (backup battery), wait 3 hours and reinstall batteries.

Third Shot reseting:
Step 1: Remove a battery
Step 2: Hold down "DEL" key reinstall battery
Step 3: Possible msg pops up saying "Waiting ... Please install software" IGNORE msg and take out battery again
Step 4: Reinstall battery do not hold down "DEL" key

reseting will cause the handheld to loose all of its stored memory.

Hope that helps!

Jan 23, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

Black screen


If one of these solutions doesnt work you will most likely need to purchase a new calculator.

Batteries:
Make sure to replace the "battery backup" too the little lithium ion battery

Try Adjusting contrast:
Hold down "[2nd]" key press up or down arrow repeatedly to lighten or darken contrast.

First attempt reseting:
Step 1: Remove all the batteries
Step 2: Hold "Clear" key down
Step 3: Still holding "Clear" key reinstall batteries
Step 4: Still holding "Clear" key press "On" key until home screen is displayed.

Second shot reseting:
remove all batteries including lithium ion (backup battery), wait 3 hours and reinstall batteries.

Third Shot reseting:
Step 1: Remove a battery
Step 2: Hold down "DEL" key reinstall battery
Step 3: Possible msg pops up saying "Waiting ... Please install software" IGNORE msg and take out battery again
Step 4: Reinstall battery do not hold down "DEL" key

reseting will cause the handheld to loose all of its stored memory.

Hope that helps!

Jan 12, 2008 | Texas Instruments TI-83 Plus Calculator

3 Answers

Screen is all black


Try adjusting the brightness by pressing 2nd key or witchever name is on yours for the Alt key + the up or down arow key(as you see fitted)

Aug 25, 2007 | Texas Instruments TI-83 Plus Calculator

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