hp 28s yellowed keys.

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hp 28s yellowed keys.

05-31-2024, 10:51 PM

Post: #9

Dave Frederickson Offline

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Posts: 2,249
Joined: Dec 2013

RE: hp 28s yellowed keys.

(05-30-2024 06:39 AM)Rafa Wrote: Is there a safe way to brighten up the keys and restore them to their original tint without having to dismantle the calculator?

A safe, easy thing to try is a Mr. Clean Magic Eraser or melamine sponge. No chemicals or disassembly required. My results varied.

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Messages In This Thread

hp 28s yellowed keys. - Rafa - 05-30-2024, 06:39 AM

RE: hp 28s yellowed keys. - Maximilian Hohmann - 05-30-2024, 05:30 PM

RE: hp 28s yellowed keys. - Rafa - 05-30-2024, 06:31 PM

RE: hp 28s yellowed keys. - Maximilian Hohmann - 05-30-2024, 08:58 PM

RE: hp 28s yellowed keys. - Rafa - 05-31-2024, 06:11 AM

RE: hp 28s yellowed keys. - Bernd Grubert - 05-31-2024, 06:32 AM

RE: hp 28s yellowed keys. - Rafa - 05-31-2024, 07:06 AM

RE: hp 28s yellowed keys. - vaklaff - 05-31-2024, 06:59 PM

RE: hp 28s yellowed keys. - Rafa - 06-01-2024, 05:44 AM

RE: hp 28s yellowed keys. - Dave Frederickson - 05-31-2024 10:51 PM

RE: hp 28s yellowed keys. - Rafa - 06-01-2024, 05:34 AM

RE: hp 28s yellowed keys. - rprosperi - 06-01-2024, 11:04 AM

RE: hp 28s yellowed keys. - Rafa - 06-01-2024, 12:36 PM

RE: hp 28s yellowed keys. - Maximilian Hohmann - 06-01-2024, 02:23 PM

RE: hp 28s yellowed keys. - Rafa - 06-01-2024, 07:24 PM

RE: hp 28s yellowed keys. - Rafa - 06-05-2024, 02:26 PM

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