How to resolve audio issues when playing DVDs on Lenovo ThinkCentre M71z Desktop?
If you experience no audio or intermittent audio while playing a DVD movie on your Lenovo Desktop, check the volume control settings on your computer and speakers. Make sure the disc surface is clean and not scratched. Check all cable connections to and from the speakers. Use the DVD menu to select a different audio track.
Why doesn't my Lenovo ThinkCentre M71z Desktop automatically play audio CDs?
If an audio disc or AutoPlay-enabled disc does not automatically play when inserted into a CD drive on your Lenovo Desktop, if you have multiple CD or DVD drives installed, try inserting the disc into the other drive. In some cases, only one of the drives is connected to the audio subsystem.
Why is DVD playback slow on my Lenovo ThinkCentre M71z?
If playback is very slow or choppy on your Lenovo Desktop, disable any background programs, such as AntiVirus or Desktop Themes.
What does 'invalid disc' mean on my Lenovo ThinkCentre M71z Desktop?
If you receive an 'invalid disc' or 'no disc found' message on your Lenovo Desktop, ensure that a DVD disc is in the drive with the shiny side facing down. On computers with both CD-ROM and DVD-ROM drives, make sure the DVD disc is in the drive labeled “DVD.”
How to troubleshoot intermittent problems on Lenovo Desktop?
To troubleshoot occasional and hard-to-repeat problems on your Lenovo Desktop: Verify that all cables and cords are securely connected to the computer and attached devices. Ensure the fan is not blocked and is working to prevent overheating. If SCSI devices are installed, verify that the last external device in each SCSI chain is terminated correctly.
Details on processor, memory, drives, subsystems, I/O, expansion, power, and security features.
Overview of security features, cable locks, and password settings.
Guides on installing external devices, monitor stand, and replacing keyboards/mice.
Creating/using recovery media, backup/restore, and rescue workspace.
Common symptoms, verification steps, and a systematic troubleshooting approach.
General| Tcase | 69.1 °C |
|---|---|
| Bus type | DMI |
| Processor cache | 3 MB |
| Processor cores | 2 |
| Processor model | i3-2120 |
| System bus rate | 5 GT/s |
| 64-bit computing | Yes |
| Processor family | Intel® Core™ i3 |
| Processor series | Intel Core i3-2100 Desktop Series |
| Processor socket | LGA 1155 (Socket H2) |
| Processor threads | 4 |
| Processor codename | Sandy Bridge |
| Processor frequency | 3.3 GHz |
| Processor cache type | Smart Cache |
| Processor lithography | 32 nm |
| Processor manufacturer | Intel |
| Processor front side bus | - MHz |
| PCI Express slots version | 2.0 |
| Processor operating modes | 64-bit |
| ECC supported by processor | No |
| Thermal Design Power (TDP) | 65 W |
| CPU multiplier (bus/core ratio) | 33 |
| Maximum number of PCI Express lanes | 16 |
| Memory types supported by processor | DDR3 1066/1333 |
| Memory channels supported by processor | Dual |
| Memory bandwidth supported by processor (max) | 21 GB/s |
| Maximum internal memory supported by processor | 32 GB |
| Motherboard chipset | Intel® H61 |
| Internal memory | 4 GB |
| Memory slots type | DIMM |
| Memory clock speed | 1333 MHz |
| Internal memory type | DDR3-SDRAM |
| Maximum internal memory | 8 GB |
| Memory layout (slots x size) | 1 x 4 GB |
| HDD speed | 7200 RPM |
| HDD interface | SATA |
| Storage media | HDD |
| Optical drive type | DVD±RW |
| Total storage capacity | 250 GB |
| Compatible memory cards | SD |
| Number of storage drives installed | 1 |
| HDMI in | 0 |
| Chassis type | All-in-One |
| Power supply | 150 W |
| Audio adapter type | Realtek ALC269Q |
| Headphone connectivity | 3.5 mm |
| Ethernet interface type | Gigabit Ethernet |
| Keyboard number of keys | 104 |
| Storage drive interface | Serial ATA |
| Display diagonal (metric) | 50.8 cm |
| Copper ethernet cabling technology | 1000BASE-T, 100BASE-TX, 10BASE-T |
| Display diagonal | 20 \ |
| Display brightness | 250 cd/m² |
| Display resolution | 1600 x 900 pixels |
| Native aspect ratio | 16:9 |
| Contrast ratio (typical) | 1000:1 |
| On-board graphics card ID | 0x102 |
| Discrete graphics card model | - |
| On-board graphics card model | Intel® HD Graphics 2000 |
| On-board graphics card family | Intel® HD Graphics |
| On-board graphics card base frequency | 850 MHz |
| On-board graphics card dynamic frequency (max) | 1100 MHz |
| Total megapixels | 2 MP |
| Audio system | HD |
| RMS rated power | 4 W |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| USB 2.0 ports quantity | 6 |
| Product color | Black |
| Bundled software | Rescue and Recovery ThinkVantage System Update ThinkVantage Power Manager ThinkVantage Toolbox Norton Internet Security 2011 Adobe Reader Skype f/ Windows MicrosoftOffice 2010 Corel Burn.Now (DVD±RW) Corel DVD MovieFactory (DVD±RW) Corel WinDVD (DVD±RW) |
| Operating system installed | Windows 7 Professional |
| Certification | TCO GREENGUARD Climate Saver |
| Sustainability certificates | RoHS, EPEAT Gold, ENERGY STAR |
| Processor ARK ID | 53426 |
| Processor package size | 37.5 x 37.5 mm |
| Supported instruction sets | AVX |
| Intel Identity Protection Technology version | 1.00 |
Weight and Dimensions| Depth (with stand) | 101 mm |
|---|---|
| Width (with stand) | 507 mm |
| Height (with stand) | 411 mm |
| Weight (with stand) | 7500 g |
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