Help with Windows 10 on Lenovo A540

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i'm looking (regretful) move install windows 10 technical preview (build 9926) on a540 all-in-one machine...

everything seems ok apart 2 problems:

  1. the realtek sound drivers don't work... instead of sound burst of white noise ever sound (i tried uninstalling drivers, default audio drivers are very quiet , i'm not sure how install externals speakers (does have speaker out socket?))
  2. the cpu usage moderately high (20%) , task manager says 'system interrupt' process consistently higher should be.

can provide me solution above problems or... other problem... how windows 8.1 installation - recovery partition still intact, 'invoke' it?

any suggestions welcomed, thanks.

hi wig,

for first issue, in opinion, can manually specify local driver installation file device, check if device work properly:

note: please download driver windows 8.1.

for system performance issue, please download following update address kind of issue:

https://support2.microsoft.com/kb/3035129

alex zhao
technet community support



Windows 10 Insider Preview  >  Windows 10 Insider Preview Setup and Installation



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