Lenovo IdeaCentre K450 Support Question
Lenovo IdeaCentre K450 Support Question
Find answers below for this question about Lenovo IdeaCentre K450.Need a Lenovo IdeaCentre K450 manual? We have 5 online manuals for this item!
Question posted by webkitten2 on October 25th, 2013
Lenovo Ideacentre K450 Desktop Failed To Start Power Control Switch
On startup, I get error "Failed to start Power Control Switch, please run Power Control Switch as administrator to resolve the problem. I am the administrator of my computer. I have had my new computer for about 10 days but this error just started a few days ago.
Current Answers
Related Lenovo IdeaCentre K450 Manual Pages
Safety and Warranty guide - Page 42
... the appropriate safety approvals for the country in the United States and Canada are listed by Underwriter's Laboratories (UL) and certified by Lenovo for Taiwan
Power cord notice
For your safety, Lenovo provides a power cord with a grounded attachment plug to be installed. The cord set with a properly groundedoutlet. For units intended to use the...
IdeaCentre K4 Series Hardware Maintenance Manual - Page 25
... installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord.
Always begin with Chapter 4, "General Checkout," on Switch
© Copyright Lenovo 2013
19 The boot sector on the boot drive. Do the following causes.
Error The startup drive is a power supply problem. The most...
Lenovo IdeaCentre K4 Series User Guide - Page 4
... Wired keyboard (selected models only 13 Hot-swappable hard disk (selected models only 14 Power Control Switch (selected models only 16
Using Windows 8 21
Switching between the main Windows 8 interfaces 22 The Charms Bar 22 Shutting down the computer 22 Switching between apps 23 Closing an app 23 Opening other system programs 23 Windows Help...
Lenovo IdeaCentre K4 Series User Guide - Page 7
Blocked air vents can cause overheating. Power button Power Control Switch indicator ON/OFF (selected models only) Hard disk drive indicator Power control switch (selected models only) Memory card readers (selected models only) USB connector/USB power off charging connector (selected models only) Microphone connector Headphone connector Optical drives (some models are equipped with only one ...
Lenovo IdeaCentre K4 Series User Guide - Page 21
... Rescue System program, the hot-swappable hard disk can optimize system resources by toggling the power control switch.
16 User Guide • After removing the hard disk, be recognised. Power Control Switch (selected models only)
The Power Control Switch feature allows your computer to switch to a different mode by toggling between those three different modes. In Auto and Cool mode...
Lenovo IdeaCentre K4 Series User Guide - Page 22
... of the software Double click the Power Control Switch icon from the Start charm or the Desktop. Boot - • Press the Power Control Switch indicator ON/OFF button to open the indicator under the Mode Switch: CPU - The status of the current CPU clock frequency against the nominal maximal CPU clock frequency. Show the
percentage of the computer startup speed.
Lenovo IdeaCentre K4 Series User Guide - Page 23
The system consumes minimum power.
Toggle the Power Control Switch to the Auto position to enable this mode. Toggle the Power Control Switch to the Cool position to enable this mode. 18 User Guide
AUTO Auto adjust the system CPU clock frequency and running speed. Note: The numeric values may vary because each model is configured differently. COOL The CPU runs at low frequency.
Lenovo IdeaCentre K4 Series User Guide - Page 24
Note: The numeric values may vary because each model is configured differently. Note: The numeric values may vary because each model is configured differently. The system achieves its optimal performance. Toggle the Power Control Switch to the Turbo position to enable this mode.
TURBO The CPU runs at full speed. User Guide 19
Lenovo IdeaCentre K4 Series User Guide - Page 25
...you are running system-intensive games or other programs that
consume a high proportion of the system resources, you to achieve optimal performance. • After unplugging and reconnecting the power cord to...should choose Turbo mode. In order to keep connecting the outlet. • Toggle the Power Control Switch to the outlet, the computer cannot boot up , the computer must always keep ultra ...
Lenovo IdeaCentre K4 Series User Guide - Page 31
...Search charm, select Apps → Control Panel → Administrative Tools → Computer Management &#... and relevant data used by someone other than authorized Lenovo service personnel, Lenovo will not be deleted.
For more detailed information,... the data on the C: drive. Restart the computer and start the restore. 3. OneKey Recovery
OneKey Recovery is recovered successfully, the...
Lenovo IdeaCentre K4 Series User Guide - Page 35
...program, do the following: Click the Lenovo Support icon from the Start Screen or Search Screen.
Service and Warranty
You can extend the warranty of award-winning Lenovo services. The functions shown below are for...with access to meet your personal or business needs.
30 User Guide
Lenovo provides flexible options to product support, upgrades and alerts on topics. Take advantage of your computer....
Lenovo IdeaCentre K4 Series User Guide - Page 4
... Wired keyboard (selected models only 13 Hot-swappable hard disk (selected models only 14 Power Control Switch (selected models only 16
Using Windows 8.1 21
Switching between the main Windows 8.1 interfaces 22 The Charms Bar 22 Shutting down the computer 22 Switching between apps 23 Closing an app 23 Opening other system programs 23 Windows Help...
Lenovo IdeaCentre K4 Series User Guide - Page 7
... the chassis
Attention: Be careful not to block any air vents on the computer. Power button Power Control Switch indicator ON/OFF (selected models only) Hard disk drive indicator Power control switch (selected models only) Memory card readers (selected models only) USB connector/USB power off charging connector (selected models only) Microphone connector Headphone connector Optical drives (some...
Lenovo IdeaCentre K4 Series User Guide - Page 21
... three different modes. Different modes are used for different applications.
Power Control Switch (selected models only)
The Power Control Switch feature allows your computer to switch to damage it. • In the Rescue System program, the hot-swappable hard disk can optimize system resources by toggling the power control switch.
16 User Guide You can not
be recognised. • After...
Lenovo IdeaCentre K4 Series User Guide - Page 22
Open the running status for each component under the front panel and set the different lighting effects in each mode.
• To display the main screen of the software Double click the Power Control Switch icon from the Start charm or the Desktop. Show the
percentage of the computer startup speed. The status of the current CPU clock...
Lenovo IdeaCentre K4 Series User Guide - Page 23
The system consumes minimum power. 18 User Guide
AUTO Auto adjust the system CPU clock frequency and running speed. COOL The CPU runs at low frequency. Toggle the Power Control Switch to the Auto position to enable this mode.
Note: The numeric values may vary because each model is configured differently. Toggle the Power Control Switch to the Cool position to enable this mode.
Lenovo IdeaCentre K4 Series User Guide - Page 24
Note: The numeric values may vary because each model is configured differently. Toggle the Power Control Switch to the Turbo position to enable this mode.
The system achieves its optimal performance. Note: The numeric values may vary because each model is configured differently. TURBO The CPU runs at full speed.
User Guide 19
Lenovo IdeaCentre K4 Series User Guide - Page 25
... you are running system-intensive games or other programs that
consume a high proportion of the system resources, you to achieve optimal performance. • After unplugging and reconnecting the power cord to the outlet, the computer cannot boot up , the computer must always keep connecting the outlet. • Toggle the Power Control Switch to keep ultra...
Lenovo IdeaCentre K4 Series User Guide - Page 31
...From the Search charm, select Apps → Control Panel → Administrative Tools → Computer Management → Disk Management, you ... sure to back up state. Restart the computer and start the restore. 3.
Note: The recovery files and relevant...is deleted or damaged by someone other than authorized Lenovo service personnel, Lenovo will overwrite all of system recovery. Note: ...
Lenovo IdeaCentre K4 Series User Guide - Page 35
... of this program are listed below are for your computer, get the warranty information of your computer through this program, do the following: Click the Lenovo Support icon from the Start Screen or Search Screen.
Service and Warranty
You can extend the warranty of your computer, and explore help and support information...
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