【BIOS】
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MBR (Master Boot Record)
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※ is located in the first magnetic hard disk area。
※ which contains "boot code" and "hard disk partition table" of a 64Byte。
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These days overseas colleagues reaction，Computer slow to an extreme，People are reacting Windows 10 Computer，Hardware specifications are not too bad。View Task Manager，See only memory is used up ninety percent(With 4G)，But they do not see what the program eaten a particularly large number of memory。After into the Resource Monitor，Observation hard disk IO case，Did not see the beginning of a clue，But then there is this service noticed Memory Compression，In the past have not seen this program，But from the point of view of his name，Should be a memory optimization services，So for the time being there is no doubt that he。Later on another computer，A similar situation is also observed，This time to search the Internet Memory Compression Services，Many people did not expect the situation found in the reaction of memory is depleted Memory Compression。
Recently the company several Macbook for Windows 10 Environmental abnormal situations have been incidents of open pages，The symptoms are strange，Yahoo home page with Google fan can start，You can also search Google，But Kimo's point of attachment on the go 404 Can not be displayed。There's wireless AP Unifi with DrayTek and other home-AP，This problem only occurs Unifi UAP-AC-Lite，In Unifi UAP-nanoHD and DrayTek is normal，Also one of my colleagues to connect your phone(iphone)Share network will be abnormal。
Although a long time without using the Windows built-in Windows Defender as a major anti-virus tool，But in the beginning of Windows installed，Always check the version of the tool together when Windows Update。Not sure when to start，In doing Windows Update，Windows Defender will always be out of this error 8050800C，If it is directly open Windows Defender，In the software update check inside to do，It will jump out error 0x80070643。
Do not know when to start，Freshly installed Windows 7 (2008 R2) In the month when the latest update rollup updates，Will jump 80092004 Error message，If the update of the month to cancel out，After re-examination，Change the update rollup update last month，As will jump 80092004 Error message。Today spend a lot of time to climb with the text test，Finally finally identify the problem。
Probably from a decade ago to start using WSUS，Impression over a few years，Began to have problems require "Reset Server Node" in，On the web related solutions are also many，So I have not put it down on paper solution，Because did not seem to come across solutions can cure，At most, it appears to reduce the frequency of。Discussions on the web，Mostly around the set in IIS, and increased memory，But later I have given to 16G of memory，The frequency of occurrence is still not low。
Two days in processing a new acer NB，Model is Swift SF514-53T，Built-in Windows 10 for 1809 Version，Try to update it to 1903 Version，I did not expect reboot，Wi-Fi can not be used，To see the network center，The whole wireless network card directly disappear，And then "Device Manager" to see，Wireless LAN exclamation point，This type of card is Intel Wireless-AC 9560，After point into，Full error message is”This device can not start。 (Code 10) {operation failed} The requested operation was unsuccessful。”
Recently computer failure，After the repair back，Former boot menu is rEFind cover off，Become directly from Windows 10 Power，Take this opportunity to look at how not to bagging the way the boot menu tool，Correction setting in Windows。
Today you install Windows Server 2019，When ready to change the key to start Windows，But out of the key error message，After confirming that several sequence numbers are correct，For error code 0X80070490 (Or 0XC004E028) Crawl on the Internet，But only found information related with Windows Update，Later for Windows Server 2019 To query，Sure enough, to find a lot of foreign people experience the same situation with me，The cause is still not sure，But the solution is not difficult，As long as the instruction to change the way you can change the key。
Do not know when to begin，Windows every period of time will jump out of the page of a windowsdefender.club，Itself is quite small in the use of Windows environment，So it did not go it alone。Just want to say about the search for solutions，Most of the foreign article is general want you to check the machine code or start programs, etc.，No answer to this problem，Only later did the other side of the site finally find solutions。
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Anson | 
01 6th, 2020| 