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Author Topic: Ballpoint pen mark on ti-84 screen  (Read 12153 times)

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Offline tloz128

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Ballpoint pen mark on ti-84 screen
« on: September 23, 2010, 05:45:15 pm »
So after leaving my calc in my backpack, it appears to have gotten a pen mark on the screen, and I can't seem to get it off. It doesn't affect the usability of the it though- it's just annoying. Does anybody know of a good solution to wipe it off? (without damaging the LCD of course)
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Offline yunhua98

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Re: Ballpoint pen mark on ti-84 screen
« Reply #1 on: September 23, 2010, 05:51:06 pm »
if its the dry ink, use a coin gently to scratch it off, if its liquid ink, use a slightly wet cottonball.
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Offline tloz128

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Re: Ballpoint pen mark on ti-84 screen
« Reply #2 on: September 23, 2010, 05:57:53 pm »
Thanks for the advice yunhua, however the cotton ball didn't work and the coin seemed to fade it a bit  :-\. Maybe I'll keep trying
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SirCmpwn

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Re: Ballpoint pen mark on ti-84 screen
« Reply #3 on: September 23, 2010, 06:00:55 pm »
Use Acetone.  It's in nail polish remover.  Put some on a cotton ball and rub it gently.
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Offline DJ Omnimaga

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Re: Ballpoint pen mark on ti-84 screen
« Reply #4 on: September 23, 2010, 06:03:09 pm »
Ouch I hope you can get rid of the mark. In Geekboy1011's case, I think something was squeezed on the calc LCD for a while and it left a permanent LCD mark somewhere, making the screen hard to see. In your case, fortunately it's a pen mark so it should not be as bad. Just be careful to not scratch the LCD while getting rid of the mark.

In my case, last year once I accidentally spilled 7-UP on my TI-Nspire. Fortunately I got time to remove it before it gets inside the screen edges or the keys, but it was all sticky x.x
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Offline tloz128

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Re: Ballpoint pen mark on ti-84 screen
« Reply #5 on: September 23, 2010, 06:05:06 pm »
@DJ oh yeah I hate it when I spill soda on my keyboard. It's really annoying.
@SirCmpwn okay thanks I'll try that as soon as I'm able to :)
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Offline qazz42

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Re: Ballpoint pen mark on ti-84 screen
« Reply #6 on: September 23, 2010, 06:19:33 pm »
oh, I remember when I spilled iced tea on a keyboard

nothing was harmed :)
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SirCmpwn

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Re: Ballpoint pen mark on ti-84 screen
« Reply #7 on: September 23, 2010, 06:20:17 pm »
Yeah, I love how people tell you the world will end if you spill something on a keyboard, which is a complete lie.
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Offline meishe91

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Re: Ballpoint pen mark on ti-84 screen
« Reply #8 on: September 23, 2010, 06:21:59 pm »
Ya, acetone or even rubbing alcohol or something should do it. Just get a cotton ball, dampen it a bit and rub gently.
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Offline Deep Toaster

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Re: Ballpoint pen mark on ti-84 screen
« Reply #9 on: September 23, 2010, 06:24:33 pm »
Quote from: DJ Omnimaga on September 23, 2010, 06:03:09 pm
In my case, last year once I accidentally spilled 7-UP on my TI-Nspire. Fortunately I got time to remove it before it gets inside the screen edges or the keys, but it was all sticky x.x

Yeah, I once spilled juice into the lower half of my calc. Now half the keys are kinda sticky, making a lot of games harder than before :P I've been trying to find screwdrivers that I could use to take the case off, but I can't get any. Is there another way to open the case?

tloz128: Hopefully it didn't leave a dent in your screen :-\ And about the coin, use one without ridges, like a penny. Polish remover should work fine, though. I've used it on my case before.
« Last Edit: September 23, 2010, 06:24:49 pm by Deep Thought »
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Offline DJ Omnimaga

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Re: Ballpoint pen mark on ti-84 screen
« Reply #10 on: September 23, 2010, 06:27:33 pm »
Quote from: SirCmpwn on September 23, 2010, 06:20:17 pm
Yeah, I love how people tell you the world will end if you spill something on a keyboard, which is a complete lie.
Except that if you don't (or can't) clean it afterward, the keys can get sticky and with some substances like coffee it eventually smells terrible x.x
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Offline patriotsfan

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Re: Ballpoint pen mark on ti-84 screen
« Reply #11 on: September 23, 2010, 06:29:29 pm »
Well, I never put any liquid or drink beside me when I'm using a calculator or a computer in the first place.
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Offline meishe91

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Re: Ballpoint pen mark on ti-84 screen
« Reply #12 on: September 23, 2010, 06:29:46 pm »
Quote from: Deep Thought on September 23, 2010, 06:24:33 pm
Quote from: DJ Omnimaga on September 23, 2010, 06:03:09 pm
In my case, last year once I accidentally spilled 7-UP on my TI-Nspire. Fortunately I got time to remove it before it gets inside the screen edges or the keys, but it was all sticky x.x

Yeah, I once spilled juice into the lower half of my calc. Now half the keys are kinda sticky, making a lot of games harder than before :P I've been trying to find screwdrivers that I could use to take the case off, but I can't get any. Is there another way to open the case?

tloz128: Hopefully it didn't leave a dent in your screen :-\ And about the coin, use one without ridges, like a penny. Polish remover should work fine, though. I've used it on my case before.

Not without horribly damaging the case in the process, to my knowledge. I think the calculators use hex screws.
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Offline Deep Toaster

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Re: Ballpoint pen mark on ti-84 screen
« Reply #13 on: September 23, 2010, 06:38:35 pm »
Quote from: meishe91 on September 23, 2010, 06:29:46 pm
Quote from: Deep Thought on September 23, 2010, 06:24:33 pm
Quote from: DJ Omnimaga on September 23, 2010, 06:03:09 pm
In my case, last year once I accidentally spilled 7-UP on my TI-Nspire. Fortunately I got time to remove it before it gets inside the screen edges or the keys, but it was all sticky x.x

Yeah, I once spilled juice into the lower half of my calc. Now half the keys are kinda sticky, making a lot of games harder than before :P I've been trying to find screwdrivers that I could use to take the case off, but I can't get any. Is there another way to open the case?

tloz128: Hopefully it didn't leave a dent in your screen :-\ And about the coin, use one without ridges, like a penny. Polish remover should work fine, though. I've used it on my case before.

Not without horribly damaging the case in the process, to my knowledge. I think the calculators use hex screws.

Yeah, and the smallest hex screws we have are depressingly large. Oh well...
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SirCmpwn

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Re: Ballpoint pen mark on ti-84 screen
« Reply #14 on: September 23, 2010, 06:42:10 pm »
I actually found this thing, the General tool 4-in-1 screwdriver (http://www.generaltools.com/Products/Pocket-4-In-1-Mini-Screwdriver__744.aspx), whose smallest flathead bit is better at taking screws out of a calculator than a hex key.  Seriously, guys, this thing is awesome, and only 3 bucks.
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