how to speed up slow imac

Enable the php mail () function in Ubuntu and solve the problem of slow email sending speed. If you need to use the mail () function of php to send emails, you need to install the sendmail component on the server. This is also introduced in the mail () function section of the php manual. Then Install the sendmail command in Ubuntu: Copy codeThe Code is as follows:Sudo apt-get install sendmail After inst

Press power key to slow down the screen speed problem Causes and solutions: The delay in the resume function of each driver, and the delay of the thread inside the charging driver need to be re-viewed, compared with the original code, except for some necessary delay, the other time delay should be removed, and some often hit log also to be removed, to speed up th

turns out to be one of the reasons why the instance Model is slow for recursive search every time. put it outside the function $ spac = $ spac + 8; $ res = $ Model-> query ("SELECT * FROM x_bookmarkcategory WHERE bookmarkcategory_pid = $ pid And bookmarkcategory_ispublic = $ ispublic order by bookmarkcategory_sort "); // SELECT * This write method has low performance bookmarkcategory_pid = $ pid -- bookmarkcategory_pid determines whether to index for

Ubuntu8.10 slow Internet access !! The real reason for slow Internet access is that it mainly takes time for firefox to resolve domain names. Therefore, it is necessary to set DNS cache. It is automatically set in Windows, so you don't have to worry about it. It will take some time in Ubuntu. Therefore, you need to install a software called dnsmasq, which can provide dns resolution functions. Of course, the

first class load. To verify this speculation, I put the newbuilder call into a loop, looking at the time of each loop, and the result is the same as the conjecture, except for the first scare, which is basically 0 at the millisecond level.With this validation, we continue to demonstrate that the builder's load is placed outside the entire test, and then tested in a class.forname way, which is more clear, the first Newbuilder only used about 5ms, the others are 0ms levels.Looking closely at the

manufacturer's skin (many devices are available). If the application slows down, you can look for a lighter application. Background process Equipment used in the process will be installed more and more applications, some applications are boot up and running in the background, consumption of CPU and memory. The background of the application of more equipment is slow. Android supports real multitasking, so applications can run i

1, slow speed is caused by the speed of upload discount a big reason 2, 360 version of the cloud can not keep up, the latest version of the upload speed and other aspects of the optimization, recommended that you download and use the latest version of the 360 cloud disk In the open upload file to 360 cloud dis

Popular is a side to look at the software, different from other download tools, download speed to meet your smooth viewing that is normal. Slow download speed: 1. In the popular right corner of the menu "set"-> "option"-> "network Connection", point "global maximum upload speed", Limit upload

After installing the xfonts-wqy package, Debian finds that the display speed of firefox is slow. How can this problem be solved? -- Debian information of the Linux release-the following is a detailed description. If you are using the Debian Sid, you can directly install the latest xfonts-wqy version. This is already in the non-compressed pcf format and will not cause the above problems. The system rendering

Last week's demon question is not worth mentioning-today is a very slow network speed and looming bug ~! @ # $ % ^ *( Let's talk about the bug -- wait until the network speed is restored to verify it:Today's situation is:First, today's network speed is very slow-so I open

We usually use the Windows system's own search function to search for files or data, and Win7 system file search is indexed, is generally the default search Library folder, Start menu, e-mail and so on files, many users reflect Win7 search file is very slow, This is very affecting our productivity, in fact, we can directly to the search items and indexing options set to improve the speed of search, together

Use ADSL Internet, with use, the speed of the Internet is more and more slow, the reason that ADSL visit speed is slow is below two points. 1.ADSL has a high quality requirement for the telephone line. The use of ADSL is a RADSL (Rate adaptive ADSL), if the Telecommunications Bureau of the server room to the us

At present, the method of installing the system is relatively simple and quick, nothing more than a U disk PE boot, manual ghost, until the familiar blue-gray interface appears, the next assumption by the progress bar rolling, is a matter of minutes, but there are users to reflect the 500G hard disk, cache 16M computer Ghost speed only 150M What is this for? This phenomenon does have a lot of users have encountered, ghost

Three causes and solutions of slow running speed of Win7 system The specific steps are as follows: 1, believe that many users in their own computer installed are not Microsoft's genuine system, it is likely that the computer system is bound to some of the software or services caused by the software, although said to be able to uninstall, but the speed of the

I wonder if you have found that the speed of sending files to chat friends in China Telecom ADSL is very slow recently. I did not care about this problem before. Today, when I used FTP, I found that the speed of the Connection established in just a few seconds can reach 50 KB/s at full speed, and then it becomes only a

mac Thunder Download speed slow how to do? Many users are reflected in the Mac on the download file with thunder slow, and sometimes even 0. But this situation has nothing to do with the network, how to solve it? The following small series to share a solution to this problem, the need for friends to go and see. Check Thunder download

Apple iphone is known as the iphone with its own browser safari Internet is slow, everyone will download a new browser from the Internet to use, so the Internet is convenient and fast. But do not want to use other browsers to surf the internet, just want to use safari Internet, but slow speed how to do? Small series to teach you to let Safari online to raise fast

In the use of ghost Backup, restore the system, the speed is very slow. This situation is generally caused by the following reasons. 1. If the computer is a UDMA hard drive, to select 80 signal line of the line, if the use of 40 lines of line, in the ghost Run, the speed will have an impact. 2. Before preparing to restore the system, you can use the "VOT

WiFi speed does not meet expectations, with these six factors. 1. WiFi Signal Congestion When a user accesses a network via WiFi, it is like listening to a radio station, using a fixed-frequency wireless band, so how much similar signal launches and receiving devices around the user's area can have a significant impact on the WiFi experience. Steve Biddle, a New Zealand engineer who has studied wireless hotspots, wrote last week that "if you live i

be detected with ctrl+end). 5, the network transmission speed is slow, the local area network transmission speed is low. 6. Many inefficient functions such as countif, SUMIF and VLOOKUP are used in the worksheets. Conclusion: Because the file capacity is too large, and the external link data is numerous, every time the file is opened, Excel reads the file int