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Old 04-05-2022, 11:00   #1
madhorsefuzzy
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Default Dell Latitude 5511 - coil whine when charging USB-C or Dell Plug

Salut,

Am primit de la munca un nou laptop Dell Latitude 5511 - link Dell pentru a schimba vechiul Dell Latitude E5570.

Si are probleme:
- ecran de cacao cu PWM flickering - aici as putea sa o rezolv cu 100% brightness si un profil asociat
- temperaturi de 100 de grade C cand incepe sa rontaie mai serios cate ceva - aici schimbata pasta cred ca o sa rezolve cat de cat
- cea mai enervanta: coil whine cand incarc laptop-ul de la incarcatorul USB-C sau un incarcator normal Dell (are ambele optiuni).

Nu o sa rezolve nimic firma pe garantie sau alte chestii. Oricum s-au [email protected] sa mi-l schimbe si pe cel vechi (productie 2016) cu asta productie 2021, care a venit de la alt coleg.

Asa ca as vrea sa vad daca am vreo solutie pentru rahatul asta de zgomot electromagnetic cand e bagat incarcatorul in laptop. E mult mai evident cand misc mouse-ul (nu conteaza daca e mouse pe USB sau touchpad-ul).

Vreo idee?
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Old 04-05-2022, 11:07   #2
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Am avut probleme de genul acesta si coil noise-ul era de la SSD. Nu mai stiu ce marci de SSD era, dar le-am schimbat toate 6 pe garantie si mi-au trimis Samsung. Fara nici o problema dupa. Erau Latitude 7400 parca.
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Old 04-05-2022, 12:28   #3
madhorsefuzzy
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SSD-ul este un "bc511 nvme sk hynix 256gb".
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Old 04-05-2022, 14:34   #4
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Verifica service tag-ul si tipul de garantie asociat, s-ar putea sa ai surprize.
https://www.dell.com/community/Custo...e/ta-p/5191451
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