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Power of choose and buy is not reasonable or use inferior power supply, computer hp mini 110-3100sw keyboard
may often appear bluescreen, restart, crash, program operation error
and so on the condition. Or computer boot can't identify hard disk, and
cd-rom and other equipment, leading to can't boot up. Generally
speaking, the power supply power if can't satisfy all accessories power
demand, will not be able to ensure the stable operation of computer
accessories. Of course, may also due to inferior power use old element,
output power shortage, which leads to the computer can't normal start.
Additional cooling condition does not pass, resulting in high
temperature also can appear the phenomenon such as system halted.
Power of choose and buy is not reasonable or use inferior power, which
is easy to cause the computer hard disk appears bad way, cd-rom read
disk capacity greatly reduced. Power is not enough may lead to + 5 v
power supply output is insufficient or unstable. Due to the hard disk,
and cd-rom just use the + 5 v power supply output, in the long run, the
power supply instability or insufficient situation is likely to appear
damage and unstable phenomenon. For many use the computer hp mini 210-2170nr keyboard
users, if often meet with hard disk appears bad way, might as well pay attention to if the power out of the question.
Power of choose and buy is not reasonable or use inferior power, when the computer hp pavilion dv7-1000 keyboard
encounter suddenly loses power or encounter lightning, the computer
easily damaged. The role of PFC circuit can effectively ensure the use
safety of computer accessories, but many inferior power is very light is
because no PFC circuit. This will greatly increase the accessories
damage probability. At the same time IC circuit is too single, and do
not have the protection function is also computer encounter suddenly
loses power or encounter lightning easily when one of the reasons for
Power of choose and buy is not reasonable or use inferior power, will
cause CPU overclocking decreasing. A lot of people in the CPU
overclocking, can't reach the expected effect, actually a lot of time is
because power the hp pavilion dv6-3130sa keyboard
choose and buy is not reasonable. Such as purchased the rated power
partial small brand power, or buy the output power no guarantee of power
supply, etc. Due to the CPU overclocking, power consumption will
increase, the power rising sharply, when the power supply output power
is insufficient, will not be able to meet the need for overclocking CPU
power consumption demand.
Power of choose and buy is not reasonable or use inferior power, will
cause headset speakers and other equipment noise is very big. Due to the
inferior power filter function odd difference,hp pavilion dv6-3140sa keyboard
plus circuit quality also don't pass, so easy to sound card operation
appear unstable condition. For some high power speakers, if the power is
not enough, sound box appear noise is inevitable.
The computer keyboard cpu cool
fan ranks the most conspicuous 12 "F button" this is to provide people
with convenient, but unfortunately, many times people have not well use them.
F1 get help more than a simple press
As is known to all, F1 in the Windows system or application to start the help
program. But get help more than simply press the F1.
If you are working in other applications, and if you want to get about
Windows help information, at this time, you only need to press the Win key to
If you have a Windows application components use have doubts, try to press
the Shift key to strike F1, at this time, will appear on the screen "What is
this" (or What 's this? Information box, it shows the acer laptop cpu
cooling fan component of the specific purpose or usage.
F2 system of "the name agent"
If the resource manager picked a file or folder, when you press F2 function
key, can to the file or folder name in operation.
F3 close resources "explorer"
In the resource management unit or system desktop press F3 function keys, it
will soon appear "search document" window. In the Windows Media Player falls F3
can search personal folder or others in a Shared folder Media files.
F4 only open list joint close the window
If it is in the explorer, press F4 function keys will be listed at all levels
of drive and all kinds of resource tree directory; If it is in IE, will list
visited address list.
If you want to close the explorer or IE window, can press the Alt key while
pressing F4 function key.
F5 a be fickle in affection guy
When you in the resource manager changed the compaq laptop
cpu cooling fan file name or attributes, or IE browser, etc in the web
page content changes, the current page changes may not be immediately reflected
in the visual, at this time, press F5, a brand new page exhibition now before
F6 it a thought is the address bar
When you put his hands on the keyboard, if need to enter the Internet web
site visit, but also to use the mouse to click the address bar after input, this
much trouble! As the press function key F6 come quick! F6 function key allows
you to quickly in resource manager or IE browser address bar to locate.
F7 reproduction of the old world historical events
In the command prompt window press F7, window will show you after operation
all DOS command you can move up and down key, select previous every command to
execute them again. The need to repeat executive command field platform provides
a great convenience.
F8 system menu "senior leadership"
In the start computer, when self process ended, in the desktop if, before
quickly press F8 key, can display boot menu, from which can chose to enter into
many kinds of startup mode, such as safe mode or take not to take network start,
Some computers can start at the beginning of the dell laptop cpu
cooling fan torsion press this key to rapid v start a blue menu, choose
from fast from cd-rom start, or from hard disk boot, you don't have to go to the
expense of enter BIOS procedures boot sequence changes. In addition, F8 to still
can install Windows for Microsoft's installation agreement.
F9 it don't like high voice of the singer
Function key under Windows also have no direct effect, but in the system
Media Player Windows Media Player, you will find that it can be used to reduce
F10 a "menu activation expert"
When you are in a menu system under the Windows program, press F10 function
keys, you will find that menu is light 7, then return can open the menu. Press
Shift and press F10 function key, can appear right-click context menu, and this
is the keyboard
Application key role is the same.
F10 on Windows media player is to improve the function of the volume.
Function key F11, can make the current use of explorer window or IE browser
window into full screen display, again press this key can restore to its
original window size.
Add the new-look leave a copy of the document
Add in the Windows basic environment no effect,hp laptop cpu
cooling fan but in the Word you press it, will pop up
"Save as" document window.
Portable laptop what all good, not only convenient place is samsung n145 laptop keyboard
one thousand system collapse, do system more troublesome. This weekend,
I studied the morning, and finally learned to use usb flash disk do
startup disk to notebook new do system. I think this method than with
cd-rom recovery simple a lot, so bring and the jar friends share.
First introduced two leading role it, JinShiDu 8 g U disk and malata
81005 notebook. My manata 81005 book is of years ago, in the new
encountered a serious virus invasion, antivirus after the system has
been not too smooth, but work busy, busy always new do system. Today is
at leisure, so I am determined to put the old system gave off.
U disk startup disk production:
1, U disk formatting: suggest using 1 g capacity above the U disk (because will samsung n150 laptop keyboard
copy system and U disk boot software, so want to have enough space),
use first Flashboot will U disk formatted into USB - HDD or USB - ZIP
one of these two kinds of modes, I choose is USB - ZIP this model, just
this type of manata notebook can be a very good support.
2, U disk version WinPE: want to rise in the DOS below installation XP
pain, so prepare to use usb flash disk version WinPE after start
execution XP system installation, then test feasible. I am on the net
download is winpe u disk version, in addition winpe there are all sorts
of commonly used tools, unzip the files are kao into formatting good u
disk in the.
Windows XP system installation:
1, set U disk Boot: after startup press F2 enter samsung nb30 laptop keyboard
BIOS Settings, in the Boot menu will be the third item USB Boot options
open, that is choice for Enabled, save and exit BIOS setup.
2, will be ready to good XP setup disk all kao into U disk, and then
insert the usb flash disk and boot, directly into the U disk boot, the
emergence of a boot menu, select the startup miniature WIN - PE (by old
wild peach), they entered the WinPE system. Will XP SETUP disk from U
disk kao into small C area outside of the partition, my are two
partition, namely kao in D area, then direct run the SETUP disk folder
SETUP. EXE file, appear familiar XP installation interface, according to
clew step by step the complete.
I don't like to use online GHOST installation disc,samsung laptop keyboard
feel the normal installation step by step more stable, all installed
after further GOHST backup, restore for future use. If there are used to
GHOST recovery mode to install system friend, direct will mirror image
file kao into the usb flash disk and copied to the notebook C area
outside of the partition, the use of the WinPE own NORTON GHOST32 will
system directly back to the C area is ok.
In the wireless network constantly mature today, toshiba satellite a205 s5801 laptop keyboard
wireless network security hidden danger is becoming the focus of
attention, and prevent the wireless network from foreign invasion more
become a wireless network users want to face above all things.
Want to make wireless Internet safer, the following three wireless network security measures can help you achieve:
Change the default SSID Settings
In the default state, wireless network node production toshiba satellite a205 s5803 laptop keyboard
chamber of commerce use SSID (initialization string), to examine the
attempt to login wireless network node connection request, once the test
through the words, it is possible to successfully connect to a wireless
network; But because of the same manufacturers launched a wireless
network node are using the same SSID name, which gave the illegal
attempt to connect to wireless network of the attacker, and provides the
invasion of convenience, once they use general initialization string to
connect to wireless network, it is easy to build a successful
unauthorized link, so as to give a wireless network security threat.
Therefore, at the first installed wireless LAN, you must timely login
to the wireless network node management page, open the SSID setting
options, resetting the initialization string, had better let a person
hard to guess to; And in order to more effectively avoid illegal links,
you'd better in the premise of the condition allows, cancel the SSID
network broadcasting, this can will hackers toshiba satellite a205 s5804 laptop keyboard opportunity to the minimum.
Of course, the wireless network node of the SSID name change, you
must also be in workstation wireless network attribute Settings window,
remodification SSID service name, such ability make sure your
workstation successfully access wireless network. In ordinary
workstation modify SSID name actually very simple, as long as you in the
wireless network connection properties window, click "wireless network
configuration" label, then in this tag page, select the wireless network
node name, click on the "property" button, and then pop up "relevance"
tag page, direct will new SSID name input in the "service name (SSID)"
in the text box, and finally click "ok" button, can make the toshiba satellite a205 s5805 laptop keyboard Settings to take effect.
Appropriate place antenna
Because wireless network node is wired signal and wireless signal
conversion "hub", wireless network node of the antenna position, not
only can decide the wireless local area network signal transmission
speed, communication signal strength, but also can affect the wireless
network communication security, to the wireless network node is put in a
proper position is very necessary.
In place before the antenna, you'd better make sure wireless network
node communication signal coverage for much, then based on the range
size, will antenna placed to other users can't "touch" position place.
For example, if the wireless network node signal transmission capacity
in 30 meters of less than, and now you want to be in 100 square meters
of space, build a small wireless local area network, it will be the best
wireless network node placed in this space is central, and at the toshiba satellite a205 s5821 laptop keyboard
same time will be other workstations in wireless network node scattered
around the place, and thus is located in the other room workstation
won't automatic search to your wireless network, so wireless network is
not prone to signal leak risk.
If you just wireless network node will be placed in a window or wall
position place, not only will affect signal foreign emission, and is
located in the other side of the wall workstation users, can easily
search and connect to your wireless network, in this way, your network
security will be greatly reduced.
Do other prevention work
In order to better protect the safety of the wireless network, you
can also according to the wireless network node itself the function
different, do some other effective safety measures. For example, if the
wireless network access nodes support simple network management function
words (SNMP function), suggest you try to this function will be closed,
in order to prevent toshiba satellite a205 s5823 laptop keyboard illegal attackers easily through the wireless network node, to get the whole wireless LAN of the privacy information.
If your wireless network node also support the access list function
word, that you can use this function, accurate limit which workstation
can connect to a wireless network node, and those who don't access list
of workstation, is to enter in the wireless network. Consider, for
example, to each piece of express card has its own MAC address, you can
completely in the wireless network node equipment to create a "MAC
access control list", and then will you think legal network card MAC
address each input to this form, and then only "MAC access control list"
shows that the MAC address,toshiba satellite a205 s6808 laptop keyboard can enter to your wireless network.
The author recently for computer packed Windows7, but found that can
not use IE login any web page the. Check wireless router connection
state, found a strong signal have been dell xps 15 l502x laptop keyboard
unable to connect to the success. Think oneself set WPA wireless
password is changed, then reran Settings, still can't successful
connection. Then cancelled wireless encryption, but the results are
still unable to connect.
Wireless router failure? The author use line connection wireless
router and computer, but found that the computer can get online
normally. Obviously, wireless router Internet connection without any
Don't wireless router wireless function failure? The author attempt dell xps m1330 laptop keyboard
to WindowsVista system connected to a wireless network, found that the
wireless connection is very smooth. There is no way, the author had to
find the same installed Windows7 friend, with his computer wireless
connection the author wireless router, but found that also exists the
problem of unable to connect. Therefore, the author judgment wireless
router may and Windows7 wireless network system has a conflict. The
author replaced a huawei 3 comwbr204g wireless router on test and found
Windows7 system smooth connection wireless router and on the Internet.
It seems, the author wireless router has a problem really.
Now that wireless router can't compatible Windows7 wireless network
system, so does that mean must be replaced? In order to save money, the
author decided to find the wireless router related material, so as to
further debugging. In the wireless router management page, I find it
firmware version is 4.2.0 Build081225, should be released in December
2008, quite obsolete, and Windows7 was launched in October 2009, it
seems probable that wireless router firmware does not support Windows7.
The author in wireless router's web site, download the July 30, 2009
update dell xps m140 laptop keyboard
relevant firmware. To upgrade the firmware, the author found that
wireless router firmware version has been updated to 4.2.0 Build090730.
Update the firmware whether can solve the problem? Set up network
parameters, the author's Windows7 no longer refuse to wireless router,
finally can Windows7 in under the surf the Internet.
Wireless router in addition to have the hardware system, and also has
directing the hardware working software system - the firmware. User with
simple web model management wireless router, may not be able to realize
web page is actually wireless router software system shell. When do not
have access to the Internet, users in the Settings and correct
circumstances, can through the wireless router management page check the
dell xps m1530 laptop keyboard
working condition. If the wireless router normal work but can not in
Windows7 next, connected to a wireless network, then, is likely to be
wireless router software system and Windows7 wireless connection
function is not compatible. A lot of older wireless router in the design
of firmware, without considering the application under Windows7 system,
therefore, the emergence of a Windows7 refused to wireless router's
Microsoft says Windows7 can and more than 90% of the hardware perfect
compatible, in other words, Windows7 there are still part of the
hardware conflict problem. At present, the wireless router Settings have
been ShaGuaHua, upgrade firmware is a piece of cake, ready to use
Windows7 users the best wireless dell xps m1710 laptop keyboard router timely update the firmware.
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