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Time Settings on a Dual-Boot Computer

July 17th, 2016 No comments

When dual-booting Windows 7 and Ubuntu 16.04 on a computer, there is conflict in time settings because of the way the two operating systems set the hardware clock. By default Ubuntu uses UTC while Windows uses local time.

So when you shut down the computer, the hardware clock is set to, say, “13:00”. When you reboot, Windows sees “13:00” as local time but Ubuntu sees that as UTC and so converts the time back from UTC to local time. You can fix this by either asking windows to set the hardware clock with UTC, or Ubuntu to use local time.

To make the change in Ubuntu
You can set the hardware clock time standard through the command line. You can check what you have set to use by:

$ timedatectl | grep local

The hardware clock can be queried and set with the timedatectl command. To change the hardware clock time standard to local time, use:

# timedatectl set-local-rtc 1

If you want to revert to the hardware clock being in UTC, do:

# timedatectl set-local-rtc 0
Categories: Linux, Tips and Tricks, Windows Tags:

Windows 7 SP1 Windows Update Stuck

July 17th, 2016 No comments

Problem
Windows Update got stuck at “Check Windows Update …” on a freshly-installed Windows 7 SP1.

Solution

  1. Download Windows Update KB3020369 from Microsoft website.
  2. Download Windows Update KB3161608 from Microsoft website.
  3. Install KB3020369. This is required to install the next KB.
  4. Install KB3161608.
  5. Reboot. Run Windows Update again. This should solve the problem.

See this post for details.

Categories: Tips and Tricks, Windows Tags:

Enable or Disable Quick Launch Toolbar in Windows 7

July 1st, 2012 No comments

This post from Windows 7 Forum has good instructions on how to enable or disable the quick launch tool bar in Windows 7: Enable or Disable Windows 7 Quick Launch Toolbar.

Here is a screenshot:

Enable or Disable Quick Launch Toolbar in Windows 7

Categories: Tips and Tricks, Windows Tags:

Create a Windows 7 Installation USB Flash Drive

July 1st, 2012 No comments

This post from Windows 7 Forum has good instructions on how to manually create a Windows 7 installation USB flash drive: Create a Windows 7 Installation USB Flash Drive. I tried Option Two from the post and it worked well.

Here is a screenshot:

Create a Windows 7 Installation USB Flash Drive

Categories: Tips and Tricks, Windows Tags:

刷主板BIOS激活OEM Windows 7

November 27th, 2011 No comments

我最近新组装了一台电脑用来做工程计算,配置如下:

  • CPU: Intel i7-2600
  • Motherboard: Asus P8Z68-V Pro
  • Memory: G-Skill RipJaws DDR3-1600 4GB x 4
  • Graphics Card: Sapphire HD 6870 1GB GDDR5
  • HDD: Intel 320 Solid State Drive 120GB x 1
  • HDD: Samsung F3 HDD 1TB x 2

我在电脑上安装了Windows 7旗舰版。本来我自己有正版的Windows 7旗舰版序列号(以前买的打折的教育版),但是本着生命在于折腾的精神我决定试试用刷主板BIOS来激活OEM Windows 7的方法。

用刷主板BIOS的方法激活OEM Windows 7需要以下三个条件:

  1. 主板BIOS里面包含有效的SLIC2.1表。
  2. Windows 7里面导入了OEM厂商的认证证书。
  3. Windows 7里面导入了对应其版本的正确的序列号。

以上三个条件中,第一个条件是最基本但是也是最麻烦的一步。第二个和第三个条件反而比较好满足。网上搜索一下能够找到很多有效的OEM证书和序列号(有兴趣的朋友可以去BIOS之家论坛看看)。

我在BIOS之家论坛里学习了一段时间,然后找到网友放出的Asus P8Z68-V Pro的带SLIC2.1的BIOS(没办法,自己不会做只好用别人的了),一咬牙就刷进自己的主板。怀着忐忑的心情重启计算机,哈哈,能够启动,没有发生论坛里很多网友提到的黑屏。于是进BIOS重新设置一番,然后再重启。进入Windows后运行SLIC_ToolKit进行检测,发现读出的BIOS里面包含了有效的SLIC2.1表信息。

下一步是导入OEM证书。以管理员身份运行Command Prompt,然后输入以下命令:

slmgr.vbs -ilc C:\xxxx.XRM-MS

上述命令中的C:\xxxx.XRM-MS就是从网上下载的证书文件。这个命令执行需要一些时间,完成之后会弹出窗口告诉你OEM证书已成功导入Windows。

最后需要导入对应的Windows版本的OEM序列号。跟上一步一样,以管理员身份运行Command Prompt,然后输入以下命令:

slmgr.vbs -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

将上述命令中的XXXXX-XXXXX-XXXXX-XXXXX-XXXXX以正确的序列号代替。这个命令执行需要一些时间,完成之后会弹出窗口告诉你序列号已成功导入Windows。

以上三步做完之后重启计算机。进入Windows后打开Windows Explorer,然后在Computer上右击选择Properties。如果一切顺利的话Windows 7就应该已经自动激活了。

需要说明一下的是,计算机OEM厂商很多,大家比较熟悉的就有Dell、HP、Asus、Acer、联想等等。在上面所说的三个条件中,SLIC2.1表、OEM证书和Windows 7序列号必须对应同一个OEM。比如如果主板BIOS里面的SLIC2.1是对应Dell的,那么你必须使用Dell的证书和用于安装Dell电脑的Windows 7序列号,不然的话Windows 7无法成功激活。

Categories: Tips and Tricks, Windows Tags: