What to do if Lenovo Desktop computer does not start?
If your Lenovo Desktop computer isn't starting, check these things: Make sure the power cord is firmly plugged into both the back of the computer and a working electrical outlet. Confirm that the power indicator on the front of the computer is lit. Also, check that the computer's voltage matches what's available from your electrical outlet.
What to do if USB keyboard or mouse does not work on Lenovo Desktop?
If your USB keyboard or mouse isn't working on your Lenovo Desktop, first, make sure the computer is turned on. Then, check that the keyboard or mouse is securely plugged into a USB connector on the computer. For the keyboard, ensure no keys are stuck. For the mouse, make sure it is clean.
What to do if wireless keyboard or mouse does not work on Lenovo ThinkCentre M90z Desktop?
If your wireless keyboard or mouse isn't working with your Lenovo Desktop, check that the computer is turned on. Ensure the batteries in the keyboard or mouse are in good condition. Verify that the wireless settings are correctly configured. If your mouse uses a dongle, make sure it's properly connected to a USB port on the computer. Also, check that no keys are stuck on the wireless keyboard and that the wireless mouse is clean.
General| Tcase | 72.6 °C |
|---|---|
| Bus type | DMI |
| Stepping | C2 |
| Processor cache | 4 MB |
| Processor cores | 2 |
| Processor model | i5-650 |
| System bus rate | 2.5 GT/s |
| Processor family | Intel® Core™ i5 |
| Processor series | Intel Core i5-600 Desktop Series |
| Processor socket | LGA 1156 (Socket H) |
| Processor threads | 4 |
| Processor codename | Clarkdale |
| Processing Die size | 81 mm² |
| Processor frequency | 3.2 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 boost frequency | 3.46 GHz |
| Processor operating modes | 64-bit |
| ECC supported by processor | No |
| PCI Express configurations | 1x16, 2x8 |
| Thermal Design Power (TDP) | 73 W |
| CPU multiplier (bus/core ratio) | 24 |
| Maximum number of PCI Express lanes | 16 |
| Memory types supported by processor | DDR3 1066/1333 |
| Number of Processing Die Transistors | 382 M |
| Memory channels supported by processor | Dual |
| Memory bandwidth supported by processor (max) | 21 GB/s |
| Maximum internal memory supported by processor | 16 GB |
| Chassis type | All-in-One |
| Power supply | 150 W |
| Cabling technology | 10/100/1000 Base-T(X) |
| Networking features | Gigabit Ethernet |
| Storage drive interface | Serial ATA |
| Maximum graphics card memory | - MB |
| Compliance industry standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3ab |
| Number of processors installed | 1 |
| Internal memory | 2 GB |
| Internal memory type | DDR3-SDRAM |
| Maximum internal memory | - GB |
| HDD speed | 7200 RPM |
| HDD interface | SATA |
| Storage media | HDD |
| Optical drive type | DVD-RW |
| Card reader integrated | Yes |
| Total storage capacity | 320 GB |
| Compatible memory cards | - |
| On-board graphics card model | Intel® HD Graphics |
| On-board graphics card base frequency | 733 MHz |
| Audio system | HD |
| Display diagonal | 23 \ |
| Native aspect ratio | 16:9 |
| Operating system installed | Windows 7 Professional |
| USB 2.0 ports quantity | 8 |
| Firewire (IEEE 1394) ports | 0 |
| Ethernet LAN data rates | 10, 100, 1000 Mbit/s |
| Product color | Black |
| Total megapixels | - MP |
| Processor ARK ID | 43546 |
| Processor package size | 37.5 x 37.5 mm |
| Graphics & IMC lithography | 45 nm |
| Supported instruction sets | SSE4.2 |
| Intel® Turbo Boost Technology | 1.0 |
| Physical Address Extension (PAE) | 36 bit |
Weight and Dimensions| Depth (with stand) | 116 mm |
|---|---|
| Width (with stand) | 560 mm |
| Height (with stand) | 443 mm |
| Weight (with stand) | 11500 g |
Information about the computer's features, including system information and microprocessor types.
Lists physical specifications like dimensions, weight, and operating environment.
Step-by-step instructions for safely removing the computer's outer casing.
Instructions for adding or replacing RAM modules in the computer.
Guide on how to remove and install a new hard disk drive.
Detailed steps for removing and installing the computer's main processor (CPU).
Guide on how to remove and install the computer's internal power supply unit.
Final steps to reassemble the computer after hardware installation or replacement.
How to create and use media for restoring the computer to factory settings.
Instructions on using Lenovo's Rescue and Recovery for data backup and restoration.
Instructions for updating the BIOS from a disc or operating system.
Steps to recover the computer if a POST/BIOS update fails.
Setting, changing, or deleting administrator, power-on, or hard disk passwords.
Selecting and changing the computer's boot device sequence.
General steps to diagnose and resolve common computer problems.
Information on using Lenovo's diagnostic tools for hardware issue identification.
Accessing useful resources like online books and Lenovo support websites.
Guidance on obtaining technical assistance and support for Lenovo products.
Information on hazardous substances in products sold in China.
Compliance with India's E-Waste (Management & Handling) Rules, 2011.
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