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I am looking at System Information of Windows 7 on my new Lenovo T400 laptop. Some questions concerned about the partition of the hard disk: it is said to have three partitions, but there are only two hard drives. Where is the "missing" partition (the one with 1.17 GB) and what it is for?

Thanks and regards!

Disks:

Description Disk drive
Manufacturer (Standard disk drives)
Model WDC WD2500BEVS-08VAT2
Bytes/Sector 512
Media Loaded Yes
Media Type Fixed hard disk
Partitions 3
SCSI Bus 0
SCSI Logical Unit 0
SCSI Port 0
SCSI Target ID 0
Sectors/Track 63
Size 232.88 GB (250,056,253,440 bytes)
Total Cylinders 32,301
Total Sectors 488,391,120
Total Tracks 7,752,240
Tracks/Cylinder 240
Partition Disk #0, Partition #0
Partition Size 1.17 GB (1,258,291,200 bytes)
Partition Starting Offset 1,048,576 bytes
Partition Disk #0, Partition #1
Partition Size 221.95 GB (238,313,009,152 bytes)
Partition Starting Offset 1,259,339,776 bytes
Partition Disk #0, Partition #2
Partition Size 9.77 GB (10,485,760,000 bytes)
Partition Starting Offset 239,572,353,024 bytes

Drives:

Drive C:
Description Local Fixed Disk
Compressed No
File System NTFS
Size 221.95 GB (238,313,005,056 bytes)
Free Space 202.36 GB (217,280,110,592 bytes)
Volume Name Windows7_OS
Volume Serial Number CC3B4EF0

Drive E:
Description CD-ROM Disc

Drive Q:
Description Local Fixed Disk
Compressed No
File System NTFS
Size 9.77 GB (10,485,755,904 bytes)
Free Space 3.28 GB (3,519,356,928 bytes)
Volume Name Lenovo_Recovery
Volume Serial Number B63E336A

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2 Answers

up vote 1 down vote

This is likely a diagnostic or recovery partition created by Lenovo. It is usually accessed through the diagnostics menu or BIOS menu at startup. Often the blue button at top of keyboard to left of power button will work on startup for this. There is usually a prompt during boot.

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Thank you but I don't think so. Drive Q is already for Lenovo_Recovery, while I refer " Partition #0" as the missing one. – Tim Nov 18 '09 at 15:19
Sorry Tim: I need to learn to read! :-) What does Disk management tell you. Some systems also have a "System Tools" or "OS Tools" partition. ALos have seen some that the factory just leaves a small unused portion of the drive. Some Dells we have received have been like that – Dave M Nov 18 '09 at 15:33
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Thanks DaveM. Disk Management has three volumes: Lenovo_Recovery(Q:), SYSTEM_DRV and Windows7_OS(C:). All of three are simple layout, basic type and NTFS. SYSTEM_DRV, which is actually "Partition #0", has status as healthy (SYstem, Active, Primary Partition) and capacity as 1.17GB and 45% free. Lenovo_Recovery(Q:) is also healthy(Primary Partition). Windows7_OS(C:) is healthy (Boot, Page File, Crash Dump, Primary Partition). Although having list some info here, I still don't know what "Partition #0" or SYSTEM_DRV is for. – Tim Nov 18 '09 at 16:26
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you have preloaded os in your laptop then it is used to store os

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