aspire v5-551 downgraded to windows 7 problem...

HopeQ
HopeQ Member Posts: 2 New User

after downgrade my acer aspire v-551 from W8 to windows 7 64bit,my laptop cannot restart properly,once i restart,my laptop will hang,it hangs on startup,not even showing the acer logo,but works find if i shutdown,the problem just on restart...anybody help pls?                        *i had change the harddisk from uefi to legacy bios,is it any problem with this?

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