No bootable devices

Hi this is hari,I have a prblem regarding bootable device
My dell Xps M1530 laptop suddenly showing problem like

No bootable devices--Strike F1 to retry boot,
F2 For setup utility
press F5 to run onboard devices

I try to install OS by bootable usb pen drive, but it is showing that no bootable devices to reboot

My CD rive also not working properly, previously I installed windows7 OS through Pendrive only

I run F5 but it showing no bbotable devices, error code 2000 0141

please help me regading this Issue
 
ouch! I lost my Toshiba with similar symptoms, but the HD was just fine so I lost no data.

You can remove the HD from the system easily and take it to a buddy to see if the HD is still readable.
If so, the Dell is trashed and you'll need another system. If the HD is not readable, then you can attempt to
perform a partition recover.
 
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