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Full Version: HP 21 not powering on - repair/troubleshooting advice
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(02-05-2021 01:09 AM)[kby] Wrote: [ -> ]Opops; that’s because I didn’t notice I got auto-spell-corrected. Apologies; Deoxit G5:

https://caig.com/deoxit-gold-g-series/
-kby

Actually, Caig recommends you clean contacts first with DeOxit Red, and then treat the cleaned contacts with DeOxit Gold, as a preservative.

Unsure that this wasn't a gimmick to sell 2 products instead of one, I tried to see, and was mildly surprised to see that their advice is exactly right. Red does clean better, and it's cheaper too.

Just some advice...
(02-05-2021 01:55 AM)rprosperi Wrote: [ -> ]
(02-05-2021 01:09 AM)[kby] Wrote: [ -> ]Opops; that’s because I didn’t notice I got auto-spell-corrected. Apologies; Deoxit G5:

https://caig.com/deoxit-gold-g-series/
-kby

Actually, Caig recommends you clean contacts first with DeOxit Red, and then treat the cleaned contacts with DeOxit Gold, as a preservative.

Unsure that this wasn't a gimmick to sell 2 products instead of one, I tried to see, and was mildly surprised to see that their advice is exactly right. Red does clean better, and it's cheaper too.

Just some advice...

Thanks - I was wondering about that and was about to ask as other references say use Deoxit L (red I believe).

Locally there's a bundle of both of them but it's $30 so I hope it works!
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