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Diplotop - product comparison - gathers SONY VAIO VGN-Z31ZN/X users reviews, tests and opinions.With a data base of unprecedented wealth, 13 reviews for the Laptop & Notebook SONY VAIO VGN-Z31ZN/X, Diplotop compares the Laptop & Notebook SONY VAIO VGN-Z31ZN/X with its competitors in order to find the best.

SONY VAIO VGN-Z31ZN/X Reviews


SONY VAIO VGN-Z31ZN/X Reviews
Its users find the SONY VAIO VGN-Z31ZN/X very user-friendly.On average, they find it much more reliable than its competitors., On this subject, they are unanimous. If you want to make sure that the SONY VAIO VGN-Z31ZN/X is the solution to your problems, make the most of the help and assistance of other Diplofix users.

Its users give it a very good efficiency score., And, there are many of them who share the same opinion. They find it very cheap You'll find the answers to all your questions on the SONY VAIO VGN-Z31ZN/X in the user manual (information, specifications, safety advice, size, accessories, etc.)

Manual abstract:

is lit.) When the indicator is unlit, the memory card is not in use. Illuminates while the built-in MOTION EYE camera is in use. Illuminates while the computer is in STAMINA mode to conserve battery power. Illuminates while the computer is in SPEED mode to provide faster performance. Illuminates while the drive is reading or writing data. When the indicator is unlit, the optical disc media is not in use. Illuminates while the drive is reading or writing data. Do not place the computer into Sleep mode or turn it off when this indicator is lit. Scroll lock n 22 N Getting Started Indicator WIRELESS * Functions Illuminates when the WIRELESS switch is turned on, provided that one or more wireless options are enabled in the VAIO Smart Network window. The storage device configuration of your computer may include a built-in flash memory storage drive depending on the model you purchased. See the online specifications to find out about your configuration. n 23 N Getting Started Connecting a Power Source You can use either an AC adapter or a rechargeable battery pack for supplying power to your computer. Using the AC Adapter 1 2 3 Use only the supplied AC adapter for your computer. To use the AC adapter Plug one end of the power cord (1) into the AC adapter (3). Plug the other end of the power cord into an AC outlet (2). Plug the cable connected to the AC adapter (3) into the DC IN port (4) on the computer or on the optional docking station. ! The shape of the DC In plug varies depending on the AC adapter. To disconnect your computer completely from AC power, unplug the AC adapter. Make sure that the AC outlet is easily accessible. If you do not intend to use your computer for a long period of time, place the computer into Hibernate mode. See Using Hibernate Mode (page 145). This power saving mode saves the time of shutting down and resuming. n 24 N Getting Started Using the Battery Pack The battery pack supplied with your computer is not fully charged at the time of delivery. Installing the Battery Pack To install the battery pack 1 2 Turn off the computer and close the LCD screen lid. Slide the battery LOCK switch (1) inward. n 25 N Getting Started 3 Slide the battery pack diagonally into the battery compartment until the projections (2) on either side of the battery compartment fit into the U-shaped cuts (3) on either side of the battery pack. n 26 N Getting Started 4 Rotate the battery pack in the direction of the arrow, and push the battery pack down into the compartment until it clicks into place. 5 Slide the battery LOCK switch outward to secure the battery pack on the computer. When your computer is directly connected to AC power and has a battery pack installed, it uses power from the AC outlet. ! Certain rechargeable batteries do not meet Sony quality and safety standards. For safety reasons this computer only functions with genuine Sony battery packs designed for this model. If an unauthorized battery pack is installed, the battery will not be charged and the computer will not function. n 27 N Getting Started Charging the Battery Pack The battery pack supplied with your computer is not fully charged at the time of delivery. To charge the battery pack 1 2 Install the battery pack. Connect the AC adapter to the computer. The charge indicator light turns on while the battery pack is charging. When the battery pack charges close to the maximum charge level you selected with the battery charge functions, the charge indicator turns off. To select your desired maximum charge level, see Using the Battery Charge Functions (page 29). Charge indicator status Lit in orange Blinks along with the green power indicator Blinks along with the orange power indicator Blinks fast in orange Meaning The battery pack is charging. The battery pack is running out of power. (Normal mode) The battery pack is running out of power. (Sleep mode) A battery error has occurred due to a failed battery pack or an unlocked battery pack. ! Charge the battery pack as described in this manual from your first battery charge. n 28 N Getting Started Keep the battery pack in your computer while it is directly connected to AC power. The battery pack continues to charge while you are using the computer. If the battery charge level falls below 10%, you should either connect the AC adapter to recharge the battery pack or shut down your computer and install a fully charged battery pack. Your computer is supplied with a lithium ion battery pack and can be recharged any time. Charging a partially discharged battery pack does not affect the battery life. While some software applications or peripheral devices are in use, your computer may not enter Hibernate mode even when battery life is low. To avoid loss of data when using battery power, you should save your data frequently and manually activate a power management mode, such as Sleep or Hibernate. If the battery pack wears out when the computer enters Sleep mode, you will lose all unsaved data. Going back to the previous work state is impossible. To avoid loss of data, you should save your data frequently. When your computer is directly connected to AC power and has a battery pack installed, it uses power from the AC outlet. n 29 N Getting Started Using the Battery Charge Functions You can select the battery charging method for your battery pack with the Battery Charge Functions. To make the battery life longer, enable the battery care function. To enable the battery care function 1 2 3 4 5 6 Click Start, All Programs, and VAIO Control Center. Click Power Management and then Battery Charge Functions. Click to select the Enable Battery Care Function check box in the right pane. Click Advanced. Select the desired maximum charge level. Click OK. To check the battery wear level Follow steps 1 to 4 in To enable the battery care function above and check detailed information. If the battery wear level is high, replace the battery pack with a new genuine Sony battery pack. n 30 N Getting Started Removing the Battery Pack ! You may lose data if you remove the battery pack while your computer is on and not connected to the AC adapter or if you remove the battery pack while the computer is in Sleep mode. To remove the battery pack 1 2 3 Turn off the computer and close the LCD screen lid. Slide the battery LOCK switch (1) inward. Slide and hold the battery RELEASE latch (2) inward, put your fingertip underneath the tab (3) on the battery pack, and turn the battery pack in the direction of the arrow, and then slide it away from the computer. n 31 N Getting Started Shutting Down Your Computer Safely To avoid losing unsaved data, be sure to shut down your computer properly, as described below. To shut down your computer 1 2 3 Turn off any peripherals connected to the computer. Click Start, the arrow next to the Lock button, and then Shut Down. Respond to any prompts warning you to save documents or to consider other users and wait for the computer to turn off automatically. The power indicator light turns off. n 32 N Using Your VAIO Computer Using Your VAIO Computer This section describes how to get the most out of using your VAIO computer. Using the Keyboard (page 33) Using the Touch Pad (page 34) Using Special-function Buttons (page 35) Using the Built-in MOTION EYE Camera (page 36) Using the Optical Disc Drive (page 39) Using the ExpressCard Module (page 48) Using the Memory Stick (page 51) Using the SD Memory Card (page 57) Using the Internet (page 60) Using Wireless LAN (WLAN) (page 61) Using the Bluetooth Function (page 68) n 33 N Using Your VAIO Computer Using the Keyboard Your keyboard is very similar to a desktop computer keyboard, but has additional keys that perform model-specific tasks. The VAIO-Link web site (http://www.vaio-link.com) also contains glossary information to help you use the keyboard. Combinations and Functions with the Fn Key Some keyboard functions can be used only after the operating system is finished launching. Combinations/Feature Fn + % (F2): speaker switch Fn + 2 (F3/F4): volume Functions Turns on and off the built-in speakers and the headphones. Changes the volume level. To increase the volume, press Fn+F4 and then M or ,, or keep pressing Fn+F4. To decrease the volume, press Fn+F3 and then m or <, or keep pressing Fn+F3. Changes the LCD brightness of your computer screen. To increase lighting intensity, keep pressing Fn+F6 or press Fn+F6 and then M or ,. To decrease lighting intensity, keep pressing Fn+F5 or press Fn+F5 and then m or <. Toggles among your computer screen, an external display, and simultaneous output to both. Changes the view size of your screen. To make the screen view look smaller and further away (zoom out), press Fn+F9. To make the screen view look bigger and closer (zoom in), press Fn+F10. See the help file included with the VAIO Control Center for more information. Provides the lowest level of power consumption. When you execute this command, the states of the system and the connected peripheral devices are saved to the built-in storage device* and the system power is turned off. To return the system to its original state, use the power button to turn on the power. For details on power management, see Using the Power Saving Modes (page 142). Fn + 8 (F5/F6): brightness control Fn + Fn + /T (F7): display output / (F9/F10): zoom Fn + (F12): hibernate * See the online specifications to find out about your storage device configuration. n 34 N Using Your VAIO Computer Using the Touch Pad You can point to, select, drag, and scroll objects on the screen using the touch pad. Action Point Click Double-click Right-click Drag Scroll Description Slide your finger on the touch pad (1) to place the pointer (2) on an item or object. Press the left button (3) once. Press the left button twice. Press the right button (4) once. In many applications, this action displays a shortcut menu. Slide your finger on the touch pad while pressing the left button. Slide your finger along the right edge of the touch pad to scroll vertically. Slide your finger along the bottom edge to scroll horizontally (the scroll function is available only with applications that support a touch pad scroll feature). You can disable/enable the touch pad while a mouse is connected to your computer. To change the touch pad settings, click Start, All Programs, VAIO Control Center, Keyboard and Mouse and Pointing Device. ! Be sure to connect a mouse before disabling the touch pad. If you disable the touch pad before connecting a mouse, you will be able to use only the keyboard for pointer operations. n 35 N Using Your VAIO Computer Using Special-function Buttons Your computer is equipped with special buttons to help you use specific functions of the computer. Special-function button S1/S2 buttons Functions By default, the S1 button displays the VAIO Presentation Support window to select the display method in Presentation mode between Mirror and Extend Desktop. Selecting any display method places your computer into Presentation mode. In Presentation mode, some functions of the computer that may disturb a presentation are disabled, such as a screen saver, the power saving modes, and system message generation. In addition, you can use handy functions for the presentation, for example, displaying a document for quick reference and the mirror image of the external display simultaneously on the computer. To bring the computer back into Normal mode, press this button once again. The S2 button launches VAIO Guide. The default button assignments may be different from the above. To change the S button assignments, press and hold either button or launch and navigate through the VAIO Control Center to display the setup window. See the help file included with the VAIO Control Center for the S button assignments. To change the Presentation mode settings, click Start, Control Panel, Mobile PC, and Adjust settings before giving a presentation under Windows Mobility Center, and change the settings in the Presentation Settings window. Disc drive eject button Ejects the optical disc drive tray. If this button does not work, try the substitute drive eject button on the optical disc drive. n 36 N Using Your VAIO Computer Using the Built-in MOTION EYE Camera Your computer is equipped with a built-in MOTION EYE camera. The built-in MOTION EYE camera adds video functionality to instant messaging software and video editing software and enables you to capture still images and movies with the preinstalled image capture software. Turning on the computer activates the built-in MOTION EYE camera. Video conference is possible with the appropriate software. Note that launching or exiting your instant messaging or video editing software does not activate or deactivate the built-in MOTION EYE camera, respectively. The built-in MOTION EYE camera cannot be shared by more than one software application. If another software application is using the camera, exit the application before using the built-in MOTION EYE camera with your desired application. ! The viewer window may show some noise, for example horizontal streaks, if you view a rapid-moving object. This is normal and does not indicate a malfunction. You cannot operate the built-in MOTION EYE camera with the Microsoft Windows Movie Maker software. n 37 N Using Your VAIO Computer Capturing Still Images To capture a still image 1 2 3 4 Click Start, All Programs, ArcSoft WebCam Companion 2, and WebCam Companion 2 to launch the WebCam Companion 2. Click the Capture icon in the main window. Frame your subject in the viewfinder. Click the Capture button below the displayed image. The current image in the viewfinder is captured and its thumbnail image is added as a the thumbnail in the left pane of the main window. When capturing an image in a dark place, click the WebCam Settings icon after step 2 and select the low light or low light compensation option in the properties window. The WebCam Companion 2 provides many more features. See the help file included with the software for more information. n 38 N Using Your VAIO Computer Capturing Movies To capture a movie 1 2 3 4 5 Click Start, All Programs, ArcSoft WebCam Companion 2, and WebCam Companion 2 to launch the WebCam Companion 2. Click the Record icon in the main window. Frame your subject in the viewfinder. Click the Record Video button below the displayed image to start movie recording. When finished, click the Record Video button once again to stop movie recording. The first scene of the captured movie is added as a thumbnail in the left pane of the main window. When capturing a movie in a dark place, click the WebCam Settings icon after step 2 and select the low light or low light compensation option in the properties window. The WebCam Companion 2 provides many more features. See the help file included with the software for more information. n 39 N Using Your VAIO Computer Using the Optical Disc Drive Your computer is equipped with an optical disc drive. To insert a disc 1 2 Turn on the computer. Press the disc drive eject button (1) to open the drive. The tray slides out. If the disc drive eject button does not work, try the substitute drive eject button on the optical disc drive. If the power supply to the optical disc drive is disabled by the VAIO Power Management, it will take a while to eject the drive tray. Note that the substitute drive eject button is disabled when the optical disc drive is not powered. When recovering your system, turn on your computer and press the substitute drive eject button on the optical disc drive. Insert your recovery disc into the optical disc drive, turn off the computer, and then turn on the computer again to start the recovery process. 3 Place a disc in the middle of the tray with the label side facing upward and gently push it down until the disc clicks into place. n 40 N Using Your VAIO Computer 4 Close the tray by pushing it in gently. ! Do not remove the optical disc when your computer is in a power saving mode (Sleep or Hibernate). Doing so may cause the computer to malfunction. If you plan to use an external optical disc drive, connect the drive before you launch any preinstalled disc operation program. n 41 N Using Your VAIO Computer Reading and Writing Optical Discs Your computer plays and records CDs, DVDs, and Blu-ray DiscTM media, depending on the model you purchased. Check your specifications for the type of optical disc drive installed on your model. Use the table below to see which types of media your optical disc drive supports. n 42 N Using Your VAIO Computer PR: playable and recordable P: playable but not recordable ­: not playable or recordable CDROM DVD±RW/ ±R DL/RAM Blu-ray Disc Combo Blu-ray Disc *1 *2 *3 *4 Video CD P P P Music CD CD Extra P P P P P P CD-R/ DVDRW ROM PR PR PR P P P DVDVideo P P P BDROM ­ P P DVD-R/ DVD+R/ DVD+R RW RW DL PR*1 *2 PR*1 *2 PR*1 *2 PR PR PR PR*5 PR*5 P DVD-R DL PR*6 PR*6 P DVDRAM PR*3 *4 PR*3 *4 PR*3 *4 BD-R*8/RE*9 ­ P*10 PR*7 *10 *11 P P P Supports writing data to DVD-R discs compliant with DVD-R for General Version 2.0/2.1. Supports writing data to DVD-RW discs compliant with DVD-RW Version 1.1/1.2. The DVD±RW/RAM disc drive on your computer does not support the DVD-RAM cartridge. Use non-cartridge discs or discs with a removable cartridge. Writing data to single-sided DVD-RAM discs (2.6 GB) compliant with DVD-RAM Version 1.0 is not supported. DVD-RAM Version 2.2/12X-SPEED DVD-RAM Revision 5.0 disc is not supported. Writing data to DVD+R DL (Double Layer) discs is available only on discs supporting DVD+R DL (Double Layer) recording. Writing data to DVD-R DL (Dual Layer) discs is available only on discs supporting DVD-R DL (Dual Layer) recording. Supports writing data to BD-R Version 1.1 discs (single-layer discs with the capacity of 25 GB, dual-layer discs with the capacity of 50 GB) and BD-RE Version 2.1 discs (single-layer discs with the capacity of 25 GB, dual-layer discs with the capacity of 50 GB). BD-R stands for Blu-ray Disc-Recordable in Version 1.1 format. BD-RE stands for Blu-ray Disc-Rewritable in Version 2.1 format. The Blu-ray Disc drive on your computer does not support BD-RE Disc media in Version 1.0 format and Blu-ray Disc media with a cartridge. Writing data to BD-R LTH TYPE media is not supported. *5 *6 *7 *8 *9 *10 *11 n 43 N Using Your VAIO Computer ! This product is designed to play back discs that conform to the Compact Disc Digital Audio standard specifications (CD Standard). A DualDisc is a two sided disc product with a DVD recorded layer on one side and a digital audio layer on the other side. Be aware that the audio side (non-DVD side) of a DualDisc may not play on this product because it does not conform to the CD Standard. When you buy pre-recorded or blank discs for use with your VAIO computer, be sure to read the notices on the disc package carefully to check both playback and recording compatibility with your computer's optical disc drives. Sony does NOT guarantee the compatibility of VAIO optical disc drives with discs that are not compliant with the official "CD," "DVD," or "Blu-ray Disc" standard. USING NON-COMPLIANT DISCS CAN CAUSE FATAL DAMAGE TO YOUR VAIO PC OR CREATE SOFTWARE CONFLICTS AND CAUSE SYSTEM HANGING. For inquiries about disc formats, contact the individual publisher of the pre-recorded disc or the manufacturer of the recordable disc. 8 cm disc writing is not supported. ! To play copyright protected Blu-ray Disc media continuously, you need to update the AACS key. Note that the AACS key update requires Internet access. As with other optical media devices, circumstances may limit compatibility or prevent Blu-ray Disc media playback. VAIO computers may not support movie playback on packaged media recorded in AVC or VC1 format at high bit rates. Region settings are required for some contents on DVDs and BD-ROM Disc media. If the region setting on the optical disc drive does not match the region coding on the disc, playback is not possible. Unless your external display is compliant with the High-bandwidth Digital Content Protection (HDCP) standard, you cannot play or view the contents on copyright protected Blu-ray Disc media. Some contents may restrict video output to standard definition or prohibit analog video output. It is strongly recommended that a digital HDCPcompliant environment be implemented for optimum compatibility and viewing quality. Do not use memory-resident utility software while the optical disc drive is playing a disc or writing data to a disc. This may cause your computer to malfunction. n 44 N Using Your VAIO Computer Notes on writing data to a disc Only use circular discs. Do not use discs in any other shape (star, heart, card, etc.), as this may damage the optical disc drive. Do not strike or shake your computer while the optical disc drive is writing data to a disc. Do not plug or unplug the AC adapter while the optical disc drive is writing data to a disc. Do not attach or disconnect your computer to or from the docking station (optional) while the optical disc drive is writing data to a disc. Notes on playing discs To achieve optimum performance when playing discs, you should follow these recommendations. Some CD players and computer optical disc drives may not be able to play audio CDs created with the CD-R or CD-RW media. Some DVD players and computer optical disc drives may not be able to play DVDs created with the DVD+R DL, DVD-R DL, DVD+R, DVD+RW, DVD-R, DVD-RW, or DVD-RAM media. Do not place your computer into either of the power saving modes while your computer is playing a disc. Region code indicators are labeled on the discs or packages to indicate in which region and on what type of player you can play the disc. Unless the region code indicates "2" (Europe belongs to region "2") or "all" (this means that you can play this disc in most regions of the world), you cannot play the disc on your computer. ! If you change the region code while the WinDVD or WinDVD BD software is running, restart the software or eject the disc and re-insert it to make the new setting effective. Do not try to change the region code settings of the drive. Any difficulties caused by changing the region code settings of the drive are not covered by the warranty. n 45 N Using Your VAIO Computer Playing CDs To play an audio CD 1 2 Insert a disc into the optical disc drive. If nothing appears on the desktop, click Start, All Programs, and the desired CD software to play the CD. If the Audio CD window appears, click to select an option. Copying Files to CDs To copy files to a disc 1 Insert a recordable disc into the optical disc drive. If the AutoPlay window appears, click Burn files to disc and follow the on-screen instructions until the empty disc folder appears. Open the folder that contains the file(s) you want to copy and drag them to the empty disc folder. Close the disc folder. 2 3 n 46 N Using Your VAIO Computer Playing DVDs To play a DVD 1 2 3 Close all running software applications. Insert a DVD into the optical disc drive. If nothing appears on the desktop, click Start, All Programs, and the desired DVD software to play the DVD. For instructions on how to use the software, see the help file included with your DVD software. Copying Files to DVDs To copy files to a disc 1 2 3 4 Connect the AC adapter to the computer. Close all running software applications. Insert a recordable disc into the optical disc drive. If nothing appears on the desktop, click Start, All Programs, and the desired DVD burning software to copy files to the disc. For instructions on how to use the software, see the help file included with your DVD burning software. n 47 N Using Your VAIO Computer Playing Blu-ray Disc Media ! The Blu-ray Disc playback function is available on selected models only. See the online specifications to find out the type of your optical disc drive, and then Reading and Writing Optical Discs (page 41) to find out about the supported disc media. To play a Blu-ray Disc media 1 2 3 Close all running software applications. Insert a Blu-ray Disc media into the optical disc drive. If nothing appears on the desktop, click Start, All Programs, and the desired Blu-ray Disc software to play the disc. For instructions on how to use the software, see the help file included with your software. Copying Files to Blu-ray Disc Media ! The Blu-ray Disc writing function is available on selected models only. See the online specifications to find out the type of your optical disc drive, and then Reading and Writing Optical Discs (page 41) to find out about the supported disc media. To copy files to a Blu-ray Disc media 1 2 3 4 Connect the AC adapter to the computer. Close all running software applications. Insert a recordable Blu-ray Disc media into the optical disc drive. If nothing appears on the desktop, click Start, All Programs, and the desired Blu-ray Disc burning software to copy files to the disc. For instructions on how to use the software, see the help file included with your Blu-ray Disc burning software. n 48 N Using Your VAIO Computer Using the ExpressCard Module Your computer is equipped with either a Universal ExpressCard slot* or an ExpressCard/34 slot* for transferring data among digital cameras, camcorders, music players, and other audio/video devices. The former can accommodate either an ExpressCard/34 (34 mm wide) or ExpressCard/54 (54 mm wide) module* as shown below and the latter can accommodate only an ExpressCard/34 module* only. ExpressCard/34 module* ExpressCard/54 module* Your computer is equipped with an ExpressCard/34 slot*. * Referred to as the ExpressCard slot and the ExpressCard module in this manual. n 49 N Using Your VAIO Computer Inserting an ExpressCard Module ! Use care when inserting or removing the ExpressCard module from the slot. Do not force it in or out of the slot. 1 2 You do not need to shut down your computer before inserting or removing the ExpressCard module. To insert an ExpressCard module Locate the ExpressCard slot. Carefully slide the ExpressCard module into the slot until it clicks into place. Do not force it into the slot. If the module does not go into the slot easily, remove it gently and verify you are inserting it in the proper direction. Make sure you use the most recent software driver provided by the ExpressCard module manufacturer. n 50 N Using Your VAIO Computer Removing an ExpressCard Module Follow the steps below to remove the ExpressCard module while your computer is on. If it is not removed properly, your system may not work properly. To remove an ExpressCard module 1 2 3 4 5 6 To remove an ExpressCard module when your computer is off, skip steps 1 to 4. Double-click the Safely Remove Hardware icon on the taskbar. Select the hardware you want to unplug. Click Stop. Follow the on-screen instructions to remove the ExpressCard module. Push in the ExpressCard module toward the computer so that the module pops out. Gently take hold of the ExpressCard module and pull it ou ...

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High-performance Reliability
Ease of use Value for money
/ 100
13 reviews
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The SONY VAIO VGN-Z31ZN/X forum



Ease of use
The users were asked the following question :

Is the VAIO VGN-Z31ZN/X easy to use?

13 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the SONY VAIO VGN-Z31ZN/X is very user-friendly.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 8.54
= 1.55

The average score balanced by the number of reviews is 8.54 and the standard differential is 1.55.
High-performance
The users were asked the following question :

Is the VAIO VGN-Z31ZN/X highly efficient?

13 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the SONY VAIO VGN-Z31ZN/X is, in its domain, the best on a technical level, the one offering the best quality, or offering the largest range of options.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 8.46
= 1.50

The average score balanced by the number of reviews is 8.46 and the standard differential is 1.5.
Reliability
The users were asked the following question :

Is the VAIO VGN-Z31ZN/X reliable, sturdy?

13 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if you think that the SONY VAIO VGN-Z31ZN/X is a sturdy product, which will last a long time before breaking down.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 8.31
= 1.54

The average score balanced by the number of reviews is 8.31 and the standard differential is 1.54.
 
Value for money
The users were asked the following question :

Is the VAIO VGN-Z31ZN/X good value for money?

13 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if you think that the SONY VAIO VGN-Z31ZN/X is really not expensive considering its features.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 7.77
= 2.15

The average score balanced by the number of reviews is 7.77 and the standard differential is 2.15.

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