Unplug the system, remove the battery and remove the hard drive (service manual below). Mount the drive in an external case and attach it to a working system by USB. BACK UP the files you cannot afford to lose to the working system's hard drive.
You will likely need to do a complete system recovery or format-reload afterward, but get the data backed up FIRST before you any other troubleshooting.
ejn63
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March 14th, 2017 10:00
Unplug the system, remove the battery and remove the hard drive (service manual below). Mount the drive in an external case and attach it to a working system by USB. BACK UP the files you cannot afford to lose to the working system's hard drive.
You will likely need to do a complete system recovery or format-reload afterward, but get the data backed up FIRST before you any other troubleshooting.
Service manual:
www.dell.com/.../manuals
Hardware required -- for example:
www.newegg.com/.../Product.aspx