| Addr： |
Jinxin maintenance, no.1-191, Wanshang international computer digital port, Chengguan District, Lanzhou City, Gansu Province |
| Tel： |
0931-8699388 |
| Fax： |
0931-8699388 |
| E-mail： |
593246991@qq.com |
| Website： |
http://www.lznbwx.com |
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| Case Name：DELL's new 15-5559 machine set USB boot, DELL new notebook installed win7 system |
| Case Detailed： |
| Boot time press F12 to enter boot menu option.
Select the bottom line BOOT MODE SETTING CHANGE
Then choose mode secure, boot off. Legacy
Continue to choose YES
So smooth hard mode UEFI to legacy
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