format system reserve drive by mistake, cannot boot win7

Do you have personal data files that might be lost because you have no backup? If so, I'd try to recover them before I worried about Windows.
 

My Computer My Computer

At a glance

Windows 7 Home Premium SP1, 64-bitIntel Skylake i5-6600K, not overclocked8 GB HyperX DDR4-2666 (2 x 4 GB)none; graphics are integrated on CPU
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Ignatz Special; 4 speed manual gearbox; factory air conditioning; one of one
OS
Windows 7 Home Premium SP1, 64-bit
CPU
Intel Skylake i5-6600K, not overclocked
Motherboard
AsRock Z170M Extreme 4, micro ATX
Memory
8 GB HyperX DDR4-2666 (2 x 4 GB)
Graphics Card(s)
none; graphics are integrated on CPU
Sound Card
onboard: Realtek ALC1150; external: USB Behringer UF0-202
Monitor(s) Displays
Dell S2340M 23 inch IPS
Screen Resolution
1600 x 900
Hard Drives
System: Crucial MX100 series SSD, 128 GB;
Data: Samsung Spinpoint 103SJ, 1 TB;
Backup: WD Caviar Green WD30EZRX-00D8PB0, 3 TB
PSU
Rosewill SilentNight 500 watt fanless, semi-modular
Case
Antec Solo II
Cooling
Noctua NH-U12S; Noctua F12 intake, Noctua S12A exhaust
Keyboard
Microsoft 200 6JH-00001 USB
Mouse
Dell or Microsoft optical wired; USB
Antivirus
Microsoft Security Essentials and Malwarebytes Premium
Browser
Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.
Do you have personal data files that might be lost because you have no backup? If so, I'd try to recover them before I worried about Windows.

Thanks for the tips
 

My Computer My Computer

At a glance

win 7 64 Home Premium
Computer type
PC/Desktop
OS
win 7 64 Home Premium
What is on C, D, E, F ? Can you show us the partition layout of the internal disk? Is there one internal disk?
 

My Computer My Computer

At a glance

Microsoft Windows 7 Home Premium 64-bits 7601...Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz4,00 GBATI Mobility Radeon HD 5400 Series
Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
"Can I just active that primary partition to solve this problem?"=> Yes you can. But which partition is ACTIVE now???? You have reinstalled already... so actually you have a clean win7 anyway.
I won't solve the "disk read error"
 

My Computer My Computer

At a glance

Microsoft Windows 7 Home Premium 64-bits 7601...Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz4,00 GBATI Mobility Radeon HD 5400 Series
Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
What is on C, D, E, F ? Can you show us the partition layout of the internal disk? Is there one internal disk?

I active my partition and repair with windows installer, and it works!!!thank you!!
 

My Computer My Computer

At a glance

win 7 64 Home Premium
Computer type
PC/Desktop
OS
win 7 64 Home Premium
Is there some reason why you would ask for help here and then completely ignore it, and instead recklessly and randomly continue messing up your system? Why didn't you wait for us to tell you how to get Win7 booting again like we have done for thousands of others?

We need the screenshot requested of Disk Management - Post a Screen Capture Image. to see what you have done. Click the blue link to see how. It sounds like it is not correct at all.


Marking Active a Win7 partition which was not previously booting Windows will not magically make it boot. It must have the boot files moved onto its partition and be made bootable by either running Startup Repair - Run 3 Separate Times
or Bootmgr - Move to C:\ with EasyBCD - Windows 7 Forums.
 
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