Question about HP Office Equipment & Supplies
...replaced the batteries with no luck. What now? To increase screen contrast Press and HOLD the [ON] key Press [+] key To decrease screen contrast Press and HOLD the [ON] key Press [-] ...
...new and installed correctly. What gives? Khumalo Take out the AAA batteries and hold the on/off key for thirty seconds. Replace the batteries and it should come on. If it doesn't remove the
Question about Texas Instruments Office Equipment & Supplies
...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 ...
Question about Texas Instruments Office Equipment & Supplies
...screen turned black after replacing the batteries Turn the calculator on. Press and release the 2nd key. Press and hold the down-arrow key until the screen lightens. If you go too far, press and ...
does not turn on Try checking the contrast. It may have gotten turned down. Press the on key. Next press 2nd key and then hold the up arrow key. This will darken the screen. You can lighten the screen
...as if the calculator isn't turning on at all. 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 ...
Question about Texas Instruments Office Equipment & Supplies
adjust the graphing TI 84 calculator contrast : 1.To darken the screen, press and release 2nd key, and then press and hold up-arrow key until the display is sufficiently dark. 2. To lighten
...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 ...
Question about Texas Instruments Office Equipment & Supplies
...as if the calculator isn't turning on at all. 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 ...
Broken decimal Key Decimal key no longer responding. Tried cleaning with compressed air, no effect. Has the key just given out or is there a solution besides replacing the whole machine? the button ...
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