buger 发表于 2013-10-1 10:13:18

解决uefi下启动win8 pe 时分辨率为640X480的问题

   现在已经有非常多的新电脑预装的是windows8系统,这些电脑都是使用了uefi启动并且默认使用了secure boot。在这些电脑上使用U盘启动PE时,如果不想每次都到bios设置中去关掉secure boot,那还是只有使用windows的boot menu方便些。refind做的菜单虽然华丽,但每次都要进bios关secure boot,或者每次都要导入证书refind.crt.实用性大打折扣。其它的boot软件来做引导好菜单的方式,都没有能在secure boot打开的前提下方便使用。
    使用windows的boot menu也就是bootx64.efi---bcd这种方式来做引导菜单的话,很多时候会出现包括引导菜单和菜单中的PE在实机上使用时分辨率会变成640X480,而不是屏幕默认的分辨率。
    解决的方法是编辑bcd增加一项GraphicsForceHighestMode,命令是这样bcdedit /set {identifier number} GraphicsForceHighestMode

直观点就是上图标注的。
关于前述问题,本贴应该是互联网上唯一的解决了。,编辑BCD除了命令行的bcdedit.exe 就只有这个唯一的选择了,VisualBcd。不要说什么bootice来编辑bcd了,那货真的不行。
相关内容参考网址http://msdn.microsoft.com/en-us/library/windows/desktop/aa362652%28v=vs.85%29.aspx
祝各位无忧的朋友节日快乐。

yaojy 发表于 2013-10-2 10:06:43

感谢,今晚试试

享β亻寸木东 发表于 2013-10-3 11:44:16

本帖最后由 享β亻寸木东 于 2013-10-3 11:51 编辑

哇 顶 顶必须顶
可惜我不会呵呵 老大出个精简版UEFI的镜像呗呵呵

lgze 发表于 2013-10-4 00:08:45

这个正是我一直需求解决的,谢谢
感谢分享!

lgze 发表于 2013-10-4 01:12:09

如能给个详细的教程就好,研究了好久

lgze 发表于 2013-10-4 23:31:37

这个搞成功了,试了几个机器都很完美,感谢!

starlion 发表于 2013-10-7 07:30:37

不错,正是我需要的,谢谢。

freesoft00 发表于 2013-10-23 11:05:22

http://bbs.wuyou.net/forum.php?mod=viewthread&tid=317102&extra=

bootice测试版加强了bcd编辑,看如何

yaojy 发表于 2013-10-24 09:17:53

试了不同机子,明白原来微软没有缺省启用这个参数是对的。
因为除了“不完善”的UEFI外,一般UEFI的机子不启用这个参数效果更好。

etkane 发表于 2014-1-25 09:20:22

测试成功,表示感谢,好贴居然没人顶

风神 发表于 2014-1-25 10:45:16

本帖最后由 风神 于 2014-1-25 10:52 编辑

有人这么弄过,看看能否改变分辨率,好还是不好
在efi\microsoft\boot文件夹里放进fonts(里面有文件)这个字体文件夹似乎有效果(fonts文件夹与bcd文件同在efi\microsoft\boot目录里),大家测试看看,我没有笔记本可试



有fonts


无fonts


风神 发表于 2014-1-25 10:50:35

yaojy 发表于 2013-10-24 09:17
试了不同机子,明白原来微软没有缺省启用这个参数是对的。
因为除了“不完善”的UEFI外,一般UEFI的机子不 ...

看看这个如何,是否会改变分辨率,好还是不好
http://bbs.wuyou.net/forum.php?mod=viewthread&tid=316277&extra=&page=2

yaojy 发表于 2014-1-27 21:35:30

风神 发表于 2014-1-25 10:50
看看这个如何,是否会改变分辨率,好还是不好
http://bbs.wuyou.net/forum.php?mod=viewthread&tid=31 ...

一直都有这个字体文件。
没试过没有的情况,因为我不是“刻薄”的精简党。
我还有中文字体文件,显示中文菜单。

w113124 发表于 2014-4-16 10:24:51

为什么我要相反的情况,我这高分辨率的屏要降分辨率,要不字小得看不见,可是要如何降低呢?

2012zhd 发表于 2014-4-17 08:54:59

yaojy 发表于 2014-1-27 21:35
一直都有这个字体文件。
没试过没有的情况,因为我不是“刻薄”的精简党。
我还有中文字体文件,显示中 ...

有了字体文件,分辨率设置似乎就不起作用了。

2012zhd 发表于 2014-4-18 10:31:40

w113124 发表于 2014-4-16 10:24
为什么我要相反的情况,我这高分辨率的屏要降分辨率,要不字小得看不见,可是要如何降低呢?

是bcd菜单的字小得看不见,还是进入pe后的。

w113124 发表于 2014-4-24 09:47:00

2012zhd 发表于 2014-4-18 10:31
是bcd菜单的字小得看不见,还是进入pe后的。

BCD字比较正常,但不能全屏。进系统后字小,因为我的本是高分屏的,dpi高,所以字小。我用的是老毛桃的PE,之前用常规引导进系统大小正常,不知道同一个PE为什么用UEFI引导就不行了

2012zhd 发表于 2014-4-24 10:11:06

w113124 发表于 2014-4-24 09:47
BCD字比较正常,但不能全屏。进系统后字小,因为我的本是高分屏的,dpi高,所以字小。我用的是老毛桃的PE ...

把那个efi\microsoft\boot\bcd传上来,让大家看看。或许有人帮你解决问题。

无垠 发表于 2014-6-16 17:40:52

本帖最后由 无垠 于 2014-6-16 17:44 编辑

“关于前述问题,本贴应该是互联网上唯一的解决了......”学习了,谢谢大家。

leileilei777 发表于 2014-6-18 09:53:56

酷炫。。修改下看看。多谢LZ 分享。。。我用的bootice已经支持修改这个了。:D

2011wyy 发表于 2014-8-31 06:40:37

peterpanheaven 发表于 2014-10-25 05:20:25

現在bootice.exe 高級編輯模式已經做得到了^^



coolrikuy 发表于 2014-10-25 11:57:14

这个确实是不错,又找到一种新的办法搞BCD

jeffrey 发表于 2014-10-30 19:26:14

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77924174 发表于 2014-12-16 22:38:43

Visual BCD貌似只有MBR分区表才能运行,我用GUI分区显示缺少管理员权限。

在秋天拐弯 发表于 2014-12-21 23:47:08

yaojy 发表于 2013-10-24 09:17
试了不同机子,明白原来微软没有缺省启用这个参数是对的。
因为除了“不完善”的UEFI外,一般UEFI的机子不 ...

请问一般UEFI的机子开启后有什么弊端吗?
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