12/5/2016 new driver models for direct download:1146
Sony Vgn-z21wn-b 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Sony Vgn-z21wn-b
Certifications for Sony Vgn-z21wn-b
5 stars for Sony Vgn-z21wn-b "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 12/5/2016 Updates

All drivers on are updated on daily basis.

However, a new version of Sony Vgn-z21wn-b might have been uploaded since our last site update.

Sony Vgn-z21wn-b Driver Download

Windows Compatibility for Sony Vgn-z21wn-b driver

Sony Vgn-z21wn-b Driver Details:

Sony Vgn-z21wn-b File Name:

Sony Vgn-z21wn-b Driver Version: 768g0R

Sony Vgn-z21wn-b ZIP Size: 121.kb

Manufacturer: Sony

Sony Vgn-z21wn-b was fully scanned at: 12/1/2016
Scan Status: driver download scanOK

Sony Vgn-z21wn-b special revision for: Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit, Windows Vista Business 64 bit, Windows Vista Home Basic 32 bit, Windows XP Professional N 64 bit, Windows XP Media Center Edition 32 bit, Windows XP Media Center Edition 2003 64 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 32 bit, Windows XP Media Center Edition 2005 32 bit, Windows XP Media Center Edition 64 bit, Windows 7 Enterprise (Microsoft Windows NT) 32 bit, Windows XP Home Edition, for home desktops and laptops 64 bit

Sony Vgn-z21wn-b Download Stats:

Driver Uploaded: 11/14/2016

Direct Downloads: 176
Most Recent Download: 12/4/2016
Managed Downloads: 1887
Most Recent Download: 12/4/2016
Download Mirrors: 4
Current Delay: 7 Seconds
Driver License: Free

Direct Download Success Stats:

Reports Issued By 148/176 Users

Success Reported By 17/148 Users

Driver Download Score66/100

Driver Installation Score60/100

Overall preformance Score69/100

Sony Vgn-z21wn-b 5 Thumbs Up5Thumbs
Sony Vgn-z21wn-b 1 Thumbs Down1Thumbs
Sony Vgn-z21wn-b driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 1760/1887 Users

Success Reported By 1292/1760 Users

Driver Download Score78/100

Driver Installation Score76/100

Overall preformance Score93/100

Sony Vgn-z21wn-b 1282 Thumbs Up1282Thumbs
Sony Vgn-z21wn-b 99 Thumbs Down99Thumbs
Sony Vgn-z21wn-b driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Sony Vgn-z21wn-b is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Sony Vgn-z21wn-b + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Sony Vgn-z21wn-b, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
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Sony Vgn-z21wn-b may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Sony Vgn-z21wn-b disfunctions.

Scan performed on 12/5/2016, Computer: SAMSUN 200B4Z/S01TH

Outdated or Corrupted drivers:9/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 945G/GZ/GC/P/PL PCI Express Root Port - 2771Up To Date and Functioning
Mice And Touchpads
ELAN ELAN PS/2 Port Smart-PadUp To Date and Functioning
Microsoft Logitech USB WheelMouseUp To Date and Functioning
Usb Devices
Intel(R) 82801FB Ultra ATA Storage Controllers - 2651Corrupted By Sony Vgn-z21wn-b
Logitech Logitech Mic (QuickCam S7500)Up To Date and Functioning
Hewlett-Packard PSC 1600 series (DOT4USB)Corrupted By Sony Vgn-z21wn-b
Sound Cards And Media Devices
AMD ATI Function Driver for High Definition Audio - ATI AA01Outdated
Network Cards
Intel(R) 82579LM Gigabit Network ConnectionCorrupted By Sony Vgn-z21wn-b
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Toshiba TOSHIBA SD Memory Card DriveUp To Date and Functioning
National IrDA Fast Infrared PortCorrupted By Sony Vgn-z21wn-b
Intel(R) Sensor SolutionUp To Date and Functioning
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
Intel Standard VGA Graphics AdapterCorrupted By Sony Vgn-z21wn-b
Input Devices
Logitech Logitech Wheel Mouse (USB)Up To Date and Functioning
Port Devices
hspa Modem Application3 port (COM6)Corrupted By Sony Vgn-z21wn-b
Sony Digital Flat Panel (1024x768)Corrupted By Sony Vgn-z21wn-b
Mobile Phones And Portable Devices
Acer NOKIACorrupted By Sony Vgn-z21wn-b

Scan performed on 12/5/2016, Computer: SAMSUN SX20S

Outdated or Corrupted drivers:16/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) ICH10 Family PCI Express Root Port 1 - 3A70Corrupted By Sony Vgn-z21wn-b
Mice And Touchpads
SMART HID-compliant mouseOutdated
Logitech HID-compliant muisOutdated
WheelMouse USB Advanced Wheel MouseOutdated
Usb Devices
Renesas Renesas Electronics USB 2.0 HubCorrupted By Sony Vgn-z21wn-b
Sound Cards And Media Devices
AMD AMD High Definition Audio DeviceUp To Date and Functioning
Intel Intel WiDi Audio DeviceOutdated
Network Cards
TP-LINK TP-LINK 300Mbps Wireless N AdapterUp To Date and Functioning
Microsoft HID KeyboardOutdated
Hard Disk Controller
Intel(R) 8 Series/C220 Series 2 port Serial ATA Storage Controller - 8C08Up To Date and Functioning
Microsoft Texas Instruments PCI-1520 CardBus ControllerUp To Date and Functioning
Mad Catz Programmable Support for MouseOutdated
ACEECA Palm HandheldOutdated
Intel Intel(r) AIM External TV Encoder Driver 5Outdated
AuthenTec AuthenTec AES3500 TruePrint SensorOutdated
Cameras, Webcams And Scanners
Philips Philips SPC1030NC WebcamOutdated
Video Cards
NVIDIA NVIDIA GeForce4 MX 440Corrupted By Sony Vgn-z21wn-b
Input Devices
Lenovo ThinkPad USB Travel Mouse (HID)Outdated
Port Devices
hspa Modem Application4 port (COM7)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Corrupted By Sony Vgn-z21wn-b
Mobile Phones And Portable Devices
Acer NOKIACorrupted By Sony Vgn-z21wn-b
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Sony Vgn-z21wn-b 4402012/11/201412/29/2015sony_vgn-z21wn-b-44020.exe138kbHP HP 655 Not3book PC, OEGStone CS-B, IBM 8141KGR, HP FQ641AA-AC4 s3715b, HP HP 500 Notebook PC, Dell OptiPlex GX1 500MTbr+, HP Presario 2200, NEC PC-VJ10MCHE2, Lenovo 10245BG, IBM 26476AG, and more.
Sony Vgn-z21wn-b 3241.142/3/201512/30/2015sony_vgn-z21wn-b-3241.14.exe58kbIBM 2673CXG, HP VG123AA-ABF p6127f, Lenovo Y310, Samsung 550P5C, BenQ Joybook S32, HP CQ1150FRm, RM Plc RM ECOQUIET 630A, MouseComputer H87M-S01, RM Plc RM ECOQUIET 630A, Fujitsu M6VCG, HP 220-1100t, and more.
Sony Vgn-z21wn-b VA250U, Panasonic CF-50GAKUUKM, IBM IBM System x3500 M3 Server -[7380AC1, Compaq Presario 8141EA, Lenovo 2689PHG, , Sony VGN-A317S, Dell PowerEdge R410, Compaq EK346AA-ABZ SR1637IT IT540, Sony SVE15129CGB, IBM Razo, HP 700-150ef, Toshiba SATELLITE C870-15M, HP NC047AA-ABU s3714uk, HP HDX9400, Lenovo ThinkPad Twist S230u, and more.
Sony Vgn-z21wn-b 2.1062.131/22/201512/27/2015sony_vgn-z21wn-b-2.1062.13.exe151kbHP VS179AA-ABH p6250nl, HP P6-2202el, Fujitsu FMVD7BF010, Fujitsu AMILO Li 2732, Sony PCG-GR214EP, Medion E5218, Fujitsu FMVU75HRG, Lenovo 6075Y5X, HP Pavilion zx5000, HP Pavilion dv9000, HP HPE-367c, Lenovo 6075Y74, NEC PC-MY21AESED983, and more.
Sony Vgn-z21wn-b 1.12422.18/26/201412/30/2015sony_vgn-z21wn-b-1.12422.1.exe104kbAcer Aspire 5670, Samsung 200B4Z/S01TH, Gateway 7310MC, Samsung P580, Lenovo 6474Y2J, HP HP HDX 16 Notebook PC, Biostar TP45 HP, Sony VGN-AW15G_H, EMachines EME725, Toshiba Dynabook NX/76JBL, HP DY173A-ABH, EMachines L4030, Toshiba Dynabook R822/WT9GS, HP KJ439AA-AB2 g3328cx, Lenovo 2689PHG, WIPRO WIV37455-0798, AnabelleB Argyle M261V, HP PL499AA-UUZ, and more.
Sony Vgn-z21wn-b G839902/16/201512/30/2015sony_vgn-z21wn-b-g83990.exe180kbLG K1-337AB1, Fujitsu FMVA56JWKS, ECS PT880PRO-A, Cybernet Manufacturing CyberMed N19, Toshiba Dynabook T351/34CR, Dell XPS A2020, Sony VGNZ798Y/X, Compaq DN146A-ABA S5410NX NA310, Toshiba Satellite 2455, HP KB020AA-ABF m9180.f, and more.
Sony Vgn-z21wn-b 2.1073210/4/201412/30/2015sony_vgn-z21wn-b-2.10732.exe176kbWIPRO WIV37455-0798, HP HP Compaq nx6310, Sony VGC-RT150DY, HP HP compaq nx4820, Panasonic CF-S9KYFFDR, LG LW20-13DT, Dell L550cx, HP HP Compaq 8710w, NEC PC-VN770JS3EB, IBM System x3550 M3 -[7944PAA, NEC NEC POWERMATE S2100-006, Panasonic CF-S10DVCDP, HP KX634AA-ABZ, Panasonic CF-SX2KEMDP, HP P9843A-ABF 712, Notebook MIM 2270, HP FL399AA-ABZ m9495it, IBM ThinkPad Z60m, and more.
Sony Vgn-z21wn-b 71.18909/10/201412/27/2015sony_vgn-z21wn-b-71.1890.exe168kbIBM ThinkCentre S50, Compaq PS165AA-AB3 SR1307AL FD440, Lenovo 37612EG, Lenovo ThinkCentre Edge 72z, HP CQ1150FRm, HP G5406f, HP HP Pavilion dv6-6128ca, Lenovo ThinkPad X230, HP EJ161AA-UUZ, HP RR521AA-UUW, AnabelleB Argyle M292, IBM 187263U, HP HP Envy 13 Notebook PC, and more.
Sony Vgn-z21wn-b Z2343412/30/201412/28/2015sony_vgn-z21wn-b-z23434.exe26kbIBM 8113V7F, Fujitsu FMVNS2TLR, IBM IBM System x3450 79483CX, IBM 8189D9G, Dell Inspiron 20 Model 3048, HP RY869AA-ABA m8067c, MSI MS-9A45, Compaq GS255AV-AB4 SR5211CF, Compaq PW750AA-ABF SR1428FR FR520, Gateway P-171X FX, Fujitsu PRIMERGY RX300 S8, NEC NEC POWERMATE S2100-006, Lenovo ThinkCentre Edge 72z, and more.
Sony Vgn-z21wn-b 63082.112/5/201412/29/2015sony_vgn-z21wn-b-63082.1.exe79kbSamsung SX60P, MCJ P67A-SD40, HP HP Compaq 6510b, HP Compaq nx9040, LG E500-G.A2F1E1, Lenovo 1024AMU, Packard Bell EasyNote_BG48-U-332CH, Compaq Evo N610c, Compaq KY718AA-UUB CQ3058HK, HP Pavilion dv2000, HP G6-1250se, Lenovo A619137, HP RR521AA-UUW, Lenovo ThinkPad X220 Tablet, LG RD580-E.ADE1BF2, Sony VGN-TZ330E, NEC PC-VK24LFW23RZH, and more.
Sony Vgn-z21wn-b 7048610/9/201412/27/2015sony_vgn-z21wn-b-70486.exe63kbClevo W240BL_W250BZ_W270BZQ, Lenovo ThinkPad T500, HP HP Compaq nc6000, HP BK345AA-ACJ p6373i, HP PL482AA-AB4 w1084d, IBM 9210WLV, Sony VGC-LS21N, HP RZ482AA-ABF m8090.f, IBM BladeCenter HS22 -[7870B4U, HP Pavilion G70-250CA, Fujitsu FMVNFA55K, Panasonic CF-74KCJDZAM, Fujitsu AMILO Li 2735, and more.
Sony Vgn-z21wn-b 21.12.1631/28/201512/28/2015sony_vgn-z21wn-b-21.12.163.exe187kbHP 220-1100t, Sony VGN-NS328J, Sony VGN-BX745FN, Toshiba SATELLITE C855-19N, Fujitsu FMVNB70E, HP H9-1156eg, IBM IBM eServer x3105 -[434722G, HP P6786l, Sony VGN-TX73B_B, HP HP Pavilion 15 Notebook PC, and more.
Sony Vgn-z21wn-b 607688/27/201412/30/2015fdehbq-60768.exe201kbIBM 622133U, IBM 26478PU, HP 110-009el, Mitsubishi CX25XCZOTSBF, Sony VGN-A317M, HP VC893AA-ABF s5108f, NEC PC-MY26LEZ78, Sony VPCJ126FJ, Packard Bell EASYNOTE SW86, Notebook MIM2300, and more.
Sony Vgn-z21wn-b 7327312/30/201412/28/2015sony_vgn-z21wn-b-73273.exe153kbLenovo ThinkPad L512, Compaq PX734AA-ABA a123l NA520, Intel WIV68805-0052, IBM 2647LG7, HP HP 530 Notebook PC, Lenovo ThinkPad X1, NEC PC-LL550KJ1K, Packard Bell IMEDIA B6363, HP P6374A-ABG 720a, LG X200-L.AGFLZ, HP EZ009AA-AB3 a1575l, Sony VGN-FW26G_B, Toshiba NB100/HF, and more.
Sony Vgn-z21wn-b 2382.131/18/201512/30/2015sony_vgn-z21wn-b-2382.13.exe52kbSony VGN-SR36GN_B, Lenovo ThinkPad Edge 15, Fujitsu FMVA42EWB, LG R510-L.C2O1Z, IBM 8171Z5S, Fujitsu FMVNP2P4, Gateway 710 2900330, Packard Bell IXMM5740, GETAC V100-X, HP Compaq CQ62, Sony VPCCW1TFX, Compaq GT701AA-ACJ SR5250IL, Compal HGL30C, HP Pavilion dv4000, Fujitsu D2804-A1, [email protected] NOMADA_s1300, and more.
Sony Vgn-z21wn-b F1.172.1812/12/201412/30/2015kdheiqrpo-f1.172.18.exe218kbIntel Poulsbo Chipset, HP GN551AAR-ABA m8200, Fujitsu FMVNP8A7, MCJ 9223, BenQ Joybook A52, Gateway E4252, Toshiba Dynabook T552/58HKD, Packard Bell ISTART 2150, HP KY660AA-ABJ p6170jp, ASUS 1001PX, HP KX781AV-ABJ p6120jp, Fujitsu FMVNB14BR, Sony VGN-TZ73B, and more.
Sony Vgn-z21wn-b 31.122.139/2/201412/27/2015sony_vgn-z21wn-b-31.122.13.exe134kbSony VGN-AR170P, Sony SVE1412ECXP, Toshiba PSC0SE-02E21EFR, HP Pavilion dv6000, Sony VPCL21M9E, NEC PC-VJ10MCHE2, Fujitsu FMVNFD40, Sony VPCF136FX, Sony VGN-FW26T_B, LG LW75-P333, HP P6-2463eo, Fujitsu ESPRIMO P510, Fujitsu LifeBook N6470, HP NY584AA-AC4 600-1010b, Gigabyte W551, Fujitsu PRIMERGY TX150 S7, MSI MS-6711, Sony VGN-TZ37GN_N, and more.
Sony Vgn-z21wn-b 2.124869/29/201412/28/2015sony_vgn-z21wn-b-2.12486.exe115kbSony VGN-K30, HP HPE-375a, LG LW75-PMXH1, NEC PC-MY26XHZE1, Lenovo 6458V35, Compaq NC696AA-ABA SR5000, LG R580-UP75K, Acer Aspire5740, MSI CX61 0NC/CX61 0ND/CX61 0NF/CX61 0NE, NEC PC-MY30AEZ77, ADVANC Modelo_A, HP 700-015eg, Toshiba Satellite C855-S5194, HP NP189AA-ABA s5160f, Sony VGN-Z17GN_B, Lanix LANIX CORP 4130, HP S5-1450k, Sony VPCSA3S9R, HP 810-190jp, and more.
Sony Vgn-z21wn-b 628622/16/201512/27/2015sony_vgn-z21wn-b-62862.exe54kbSony SVT13136CWS, HP PS206AA-B14, Sony VGN-FE52B_H, SAMSUN 350V, HP RZ412AA-ABZ, IBM 622351U, Toshiba PSK1SE-005002GR, Panasonic CF-18KHH59B8, Lenovo ThinkPad W500, HP RZ438AA-UUW, HP HP Pavilion 6700 Notebook PC, HP 500-108eo, HP P1029A-ABU 7921, Sony VGN-AW150Y, and more.
Sony Vgn-z21wn-b 422.16912/16/201412/28/2015sony_vgn-z21wn-b-422.169.exe173kbSony VGN-UX90S, HP HP Compaq 7900, IBM 8123W8E, NEC PC-VJ10MCHE2, VIA 2021, Acer TravelMate 2460, LG LW40-J4JE2, HP Presario V2000, Panasonic CF-Y5LW8AXS, HP RX884AA-ABA m8040, Toshiba SATELLITE C55-A-16Z, EMachines EL1200-06w, Compaq Presario 2700EA 470024-565, NEC PC-MY18ABZE4, HP NQ852AA-ABH IQ830nl, Lenovo ThinkPad R400, Toshiba Dynabook SS LX/190DR, Fujitsu FMVXN6EG2Z, Sony VGN-CS31Z_Q, and more.
Sony Vgn-z21wn-b 6283712/26/201412/27/2015sony_vgn-z21wn-b-62837.exe162kbLenovo 20ANCTO1WW, HP P5282A-ABA 9995, HP Pavilion ze2000, VVIKOO VI P67 PRO, IBM 184469U, Compaq PS245AA-ABF SR1339FR FR510, HCL Infosystems LUMINA2-LD, Gateway MX3050b, Panasonic CF-53AAC34ZG, Sony VPCEB1E9R, Fujitsu FMVTX95SD, Toshiba Satellite C850-B124, HP HP EliteBook 8560p, Sony VGN-TZ35FN, and more.
Sony Vgn-z21wn-b F21.149912/22/201412/28/2015sony_vgn-z21wn-b-f21.1499.exe153kbIBM Razo, HP 700-150ef, Toshiba SATELLITE C870-15M, HP NC047AA-ABU s3714uk, HP HDX9400, Lenovo ThinkPad Twist S230u, Sony VGNFW490Y, Mio N890, Panasonic CF-W8FWDAJS, HP HP Compaq tc4400, and more.
Sony Vgn-z21wn-b 1.137632/6/201512/29/2015fkaf-1.13763.exe208kbSony VGN-TZ15AN, HP P6-2201sem, NEC PC-LF7506D1FL, Intel WIV68805-0072, HP HP Pavilion zd8000, IBM 187134M, HP Compaq nx9030, HP D1290se-ABS PS353AA, Fujitsu FMVH70K9V, Sony VGN-NS240D, Sony VPCEB3S1E, INVESTRONICA PTC-Q965, IBM ThinkPad T41, HP HP Pavilion dv5000 ES248EA#ABD, NEC PC-VN470GS6R, Sony VGN-BX745FN, and more.
Sony Vgn-z21wn-b 8302310/31/201412/29/2015sony_vgn-z21wn-b-83023.exe202kbASUS 1016PG, Packard Bell EasyNote_MT85-T-001PT, Lenovo IdeaPad S9e, MSW GmbH & Co. KG Intel DP55WB, HP RR861AA-ABD, OEGStone CS-B, Intel WIV68105-0268, HP Compaq 516, HP KE483AA-UUZ, HP P6-2155a, and more.
Sony Vgn-z21wn-b E2.10892.12/23/201512/27/2015sony_vgn-z21wn-b-e2.10892.1.exe171kbIBYTE UDP GN ANDROS-I36L, Compaq NC109AA-ABH SR5422NL, Shuttle SB83V10, Sony VGN-FZ32G, HP HP ProBook 6555b, Gateway EC1457U, NEC PC-VT1000J6FD, TAROX Business PC 3200, BenQ Joybook R55v, HP PX662AA-AB9, Fujitsu FMVLRA70, Lenovo ThinkPad T410s, IBM Razo, Sony VGN-AW150Y, IBM IBM System x3400 M2 Server -[7837AC1, IBM 818743F, LG K1-2249A9, HP PX643AA-ABZ, and more.
Sony Vgn-z21wn-b 31.12.1382/17/201512/28/2015sony_vgn-z21wn-b-31.12.138.exe74kbLenovo ThinkCentre A55, HP G5310be-m, HP FR449AA-ABU s3621uk, HP Presario R3000, Toshiba Dynabook EX/2513CDSTB, SAMSUN 700Z, Sony VPCF13S0E, Acer AOA150p/BGW, HP PS378AA-ABN, Compusys PLC Towe, and more.
Sony Vgn-z21wn-b 1.1066712/20/201412/30/2015sony_vgn-z21wn-b-1.10667.exe128kbPackard Bell Imedia S3250, HP S5770uk-m, IBM 81838HJ, Gateway MC7803U, Acer TravelMate 8571, TSINGHUA TONGFANG H61H2-TAIO, NEC PC-MY26XRZJTSBJ, Sony VGNFW490JFT, Fujitsu FPC03051DN, HP 810-170st, LG R560-U.ABLGL, ALFATRON SpA HX610, Transource Computer Systems, and more.

Please Note: There are particular operating systems known to have problems with Sony Vgn-z21wn-b:
  • Windows Fundamentals for Legacy PCs
  • Windows XP Professional
  • Windows 10
  • Windows XP Home Edition, for home desktops and laptops
  • Windows 8 Enterprise
  • Windows 7 Enterprise (Microsoft Windows NT)
  • Windows Vista Home Premium
  • Windows 7 Service Pack 1 (Microsoft Windows NT)
  • Windows 7 Ultimate
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Sony Vgn-z21wn-b model.
Laptop Sony Vgn-z21wn-bTablet Sony Vgn-z21wn-bDownload Sony Vgn-z21wn-bUpgrade Sony Vgn-z21wn-bUpdate Sony Vgn-z21wn-b2016 Sony Vgn-z21wn-bFree Sony Vgn-z21wn-bData Sony Vgn-z21wn-bInfo Sony Vgn-z21wn-bHelp Sony Vgn-z21wn-bGuide Sony Vgn-z21wn-bComments Sony Vgn-z21wn-bWindows 10 Sony Vgn-z21wn-bVista Sony Vgn-z21wn-bWindows 7 Sony Vgn-z21wn-bInstall Sony Vgn-z21wn-b