Yes No. Voted Undo. Score 6. What is the problem that you are having with your device, besides getting answers? Post your response as a 'New" question in ifixit. Linking it to a 3 year old post may not draw too many responses.
Chosen Solution. If there are not results with it try to - check for a stuck key - reloading the software - open up the unit and shake it out in case something is blocking the key contacts - clean the circuit board contacts under the keys with an eraser After that you are in for deeper testing.
Was this answer helpful? Thank YOU! Jazmine Carrizales Rep: 25 1. Try pressing and holding the little reset button on the back of the graphing calculator. Easy fix. Hope's this helps someone. Score 2. Score 0. Add your answer unknown will be eternally grateful. The contrast on the computer may have been lowered. Dead batteries.
The batteries may be in the middle. The emergency battery is discharged. RAM problem. Software problem. Motherboard problem. The screen is of course black. If you do not allow these cookies, some or all site features and services may not function properly.
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