following is a list of key keys for entering the ThinkPad BIOS Setup program:
1.ThinkPad 315ED
After the boot, when you see the screen on the ThinkPad logo, quickly press the F2 key to enter the BIOS.
2.ThinkPad 365X/XD Series
ThinkPad 380 Series
THINKPAD 560 Series
ThinkPad 600 Series
ThinkPad 755 Series
ThinkPad 760 series, 765 series
THINKPAD 770 Series
For the above series of books, you can hold down the F1 key on the power-on, until the screen appears easy setup screen.
3.
Thin
: For these runlevel we don't have to be too tangled with what that means, just know that in Debian/ubuntu (Ubuntu is the branch of Debian) Linux is enabled by default at level (Runlevel) 2)In Debian Linux, the following paths correspond to different runlevel. When the system starts, the corresponding service is started through the script file.
/ETC/RC0.D Run Level 0
/ETC/RC1.D Run Level 1
/ETC/RC2.D Run Level 2
/ETC/RC3.D Run Level 3
/ETC/RC4.D Run Level 4
/ETC/RC5.
Symptoms and causes of SSD freezingI7 ● SSD choppy symptomsA friend who recently bought a new SSD may be troubled by a problem, that is, the system stops responding or gets stuck for no reason. The specific situation can be shown as follows according to the SSD master:1. Sandforce control: during normal computer operations, the system suddenly stops responding, the hard drive lights flash, and the mouse pointer turns into a circle, so nothing happens. This situation may continue for 1 ~ 2 minute
Hardware: HP CQ60-116TX
OS: Ubuntu 10.10
Wifi is finally solved! (Linux hardware driver problem! Take the time to change the Mac !)
Ubuntu10.10 hardware was basically normal when it was just installed, except for sound card and HDMI problems.
After two weeks of use, WiFi also fails.
I haven't done it for a long time ~~
I spent two months using the network cable, so I couldn't help it. I had to spend one afternoon.
[Cause] The rfkill tool of ubuntu upgrade blocks the WiFi module by default.
[Sol
Embed the SATA hard drive into the Windows XP Server guard Disk
Many Computers are now equipped with Sata hard disks, but the operating system Windows XP (hereinafter referred to as XP) SP2 is not integrated with a drive that supports SATA hard disks.ProgramWhen installing XP, if you want to load the SATA hard drive, you have to put the drive floppy disk in the soft drive beforehand. Isn't it troublesome for a computer without a soft drive? In fact, we only need to follow the method below to
to true parameter information Parameter information when set to False: Supplement how to view query log: mysql>showvariableslike ' general_log% '; +------------------+--------------------------------------------------------------------+ |variable_name |Value
| +------------------+--------------------------------------------------------------------+ |general_log |OFF | |general_log_file|/opt/mysql/server-5.6/data/
zhuguowei-presario-cq43-notebo
the connection between IMEI and the network access license.) However, it should be noted that this part of T68 is limited to T68 of the previous software version R1B.
FAC code is not static, even products of the same origin, such as Siemens 3508I and MOTO C300, which have been upgraded from the initial 37 to 40 because of their huge output, c300 FAC also has 80/81/82. In particular, the European model Cert
is displayed in black and white mode
Q
Q = Quit
Exit
(iv) Nmon data non-real-time analysisIn addition to real-time analysis, you can collect data and then use the Nmonchart, Nmon_analyser tools to draw and present the collected data.The Nmon collects data commands as follows:[Email protected] nmom6e]#./nmon_x86_64_rhel6-s1-c300-f-m/opt/nmon/nmon16e/fileParameter description:-S1: Sampling once every n seconds, here i
, hot purchases once caused a shortage. Therefore, Ericsson agents mobilized some Malaysian production (FAC code 71) for emergency rescue, therefore, this part has a network access license T68 is also "Licensed ". (We have mentioned the connection between IMEI and the network access license.) However, it should be noted that this part of T68 is limited to T68 of the previous software version r1b.FAC
Code is not the same, even products of the same origin, such as Siemens 3508i and Moto
average read speed test
From the HD Tune average reading speed test, we can see that the response of several groups of data and HD Tach the same, mechanical hard disk SATA3.0 and SATA2.0 is not the essence, but the solid State drive group performance difference is obvious, SATA3.0 let the United States light C300 solid-state hard disk speed close to 300mb/ S, has approached the SATA2.0 interface specification.
Applied Energy test: FastCopy
FastC
, so this part of the network license T68 is also "licensed." (We talked about the IMEI and the connection between the Access network license) However, it should be noted that this part of the T68 is limited to the T68 of the earlier part of the software version R1b.
The FAC code is not immutable even for products of the same origin, such as Siemens 3508I and Moto C300 because of its huge production has been upgraded from the beginning of 37 to 40, wh
/nvidia. ko overwrite/lib/modules/2.6.18-8. el5xen/kernel/drivers/video/nvidia. ko)
Mkdir/lib/modules/2.6.18-8. el5xen/kernel/drivers/video/nvidia
Cp nvidia. ko/lib/modules/2.6.18-8. el5xen/kernel/drivers/video/nvidia
6. depmod-
Reboot
7. Main Menu-> system-> Management-> display
Hardware-> video card type (configuration)-> nvidia-Vendor-supplied driver for nvidia cards-> OK
[Note] And then log on again. The system has used the nvidia official driver, and the projection output and high resol
and hard disk capacity can be upgraded. Replacing the latest hard disk with a 5400-to-10% ~ An increase of about 15% is satisfactory in terms of noise and energy consumption.
For a laptop, there will never be too much memory. In order to make up for the inherent shortage of hard disk performance, we need more memory capacity to support it. I have tested on my laptop. When the standard memory is 20% MB, the disk performance ratio decreases by nearly 244 (the pcmark2002 HDD score is 296 and res
Kernel configuration considerations
If you want to compile the kernel yourself (the kernel source code can be downloaded to the ftp://ftp.kernel.org/pub/kernel/, domestic download can be to the ftp://ftp.cn.kernel.org/pub/kernel/ so that download faster), before the compilation usually need to use make menuconfig or make xconfig to configure the kernel. My system does not have xconfig, so I can only use menuconfig. Note the following when compiling the 2.6.23.x Kernel on my Compaq
: Some SSD emergency considerations, some SSD such as C300 and M4), some users may have experience in emergencies such as sudden blue screen or hard disk recognition, I thought the disk was suspended, but the disk was powered on for a while, and then restarted again. In fact, this is because these SSDS provide internal repair functions. During the power-on period, SSD will detect and correct themselves. Therefore, when you encounter an emergency, do n
always set toYes, because for some reason the syncing between the hardware block and the software block doesn ' t work as supposed. To override this behavior, you can just runRfkill unblock WiFiAnd it should work again. Double check by enteringRfkill List AllAgain and make sure it looks like this, with all values set toNo:
[email protected]:~$
sudo rfkill list all
0:hp-wifi:wireless LAN
Soft Blocked:no
Hard Blocked:no
1:phy0:wireless LAN
Soft Blocked:no
Hard Block
: Codec:idt 92hd81b1c5, in that file can not find the corresponding. Refer to this man's method below:
The audio decoder used by the HP dv4 dv5 dv7 is IDT 92hd71b7x (8.10 sound card is identified as STAC92XX). My Compaq Presario CQ45-203TX is the same, in 8.04, the performance of the audio at the end of the last infinite repetition, login completely silent, 8.10 for the infinite repeat sound end. First $ head-1/proc/asound/card0/codec#0 To dete
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