User manual LENOVO IDEACENTRE Q150

[. . . ] Slide the computer into this metal bracket and screw the computer firmly to the Bracket. UserGuide 31044392_Q150_UG_EN_V1. 0. indd 5 2010. 4. 20 10:46:51 AM 1. 4 Setting the display resolution 1. When you connect the computer to your TV or monitor, adjust the display resolution to the optimum setting according to the instructions in your TV or monitor's user manual or after consulting with the supplier. Adjusting the OS desktop size (when the OS desktop size is larger than the screen boundary): · IdeaCentre Q150: After configuring the display resolution of your TV or monitor, right-click the desktop anywhere except over an icon, then select NVIDIA control panel. IfyourTVormonitordoesnotsupportthisnewresolution, systemwill restoretotheoriginalresolutionwithin0seconds. Important: IdeaCentre Q150: · Set the refresh rate of your TV or monitor to less than 60 Hz to avoid damage to your TV or monitor. [. . . ] Right-click the icon for the hard disk drive (HDD) that you want to reorganize, then select Properties from the pop-up menu. Note:Youcannotstarterrorcheckinguntilthecomputerisrestartedand initialized. 4. 5 Defragmenting the Disk(s) Disk fragments are tiny unused storage areas scattered on the disk. The system cannot directly reutilize these "blank" spaces and system performance can decrease as system operations usually cause the number of unused storage gaps to increase. Right-click the icon for the hard disk drive (HDD) that you want to reorganize, then select Properties from the pop-up menu. Select the time and scheme to be used by the defragging program, then start the defragmenting program. Depending on the amount of defragmentation on the hard disk drive, this procedure can take a long time (sometimes more than one hour). UserGuide 31044392_Q150_UG_EN_V1. 0. indd 21 2010. 4. 20 10:47:00 AM 4. 6 Performing Daily Maintenance Tasks Cleaning the computer components Because many of the computer components consist of sophisticated integrated circuit boards, it is very important to periodically clean around the computer to prevent dust buildup. The cleaning supplies you need in order to clean the components include: a vacuum cleaner, a soft cotton cloth, clear water (pure water preferred) and cotton swabs. Attention: Beforeyoucleanyourcomputer, disconnectthecomputer fromtheelectricaloutlet. Cleanyourcomputerwithasoftcloth dampenedwithwater. Donotuseliquidoraerosolcleaners, whichmay containflammablesubstances. Note:Toavoiddamagingthecomputerordisplay, donotspraycleaning solutiondirectlyontothedisplay. Onlyuseproductsspecificallydesigned forcleaningdisplays, andfollowtheinstructionsthatareincludedwiththe product. The following are general methods for cleaning the components: · You can use a soft cloth to remove dust on the surface of the computer, the monitor, the printer, the speakers and the mouse. · You can use a vacuum cleaner to clean in otherwise inaccessible corners. · To clean the keyboard thoroughly, shut down the computer and scrub it gently with a wet cloth. Do not do any of the following: · Allow water to enter the computer · Use a heavily dampened cloth · Spray water directly onto the surface of the monitor or inside of computer. Keep all surfaces clean and free of grease stains. UserGuide 31044392_Q150_UG_EN_V1. 0. indd 22 2010. 4. 20 10:47:00 AM Chapter Troubleshooting and Confirming Setup This chapter contains the following topics: ÿ Troubleshooting and Problem Resolution 1 2 3 4 5 UserGuide 31044392_Q150_UG_EN_V1. 0. indd 23 2010. 4. 20 10:47:01 AM Solving problems Follow these tips when you troubleshoot your computer: · If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed. · If a peripheral device does not work, ensure that the device is properly connected. · If an error message appears on the screen, write down the exact message. This message may help support personnel diagnose and fix the problem(s). · If an error message occurs in a program, view the program's documentation. Note: TheproceduresinthisdocumentwerewrittenforWindowsindefault viewmode, sotheymaynotapplyifyousetyourLenovo®computerto WindowsClassicview. 5. 1 Troubleshooting display problems Problem: Blank screen or no image is displayed on the monitor Troubleshooting and problem resolution: 1. Check that the monitor has been turned on; if not, press the Power button. Check to see if the monitor power cable is loose; if so, securely plug the power cable into the monitor. Check that the signal cable to the monitor is securely connected to the computer graphics card port; if not, shut down the computer then securely connect the signal cable of the monitor. [. . . ] The serial number is shipped labeled on the computer and is also provided separately by the manufacturer. The Help Center UserGuide 31044392_Q150_UG_EN_V1. 0. indd 27 2010. 4. 20 10:47:02 AM is unable to retrieve this number. The drivers for this computer model support Windows XP or Windows 7 systems. When you use the Windows Media Center to watch TV, pay particular attention to the following: · In the following two situations, you must re-save the channel list: a. [. . . ]