On Boot up press these keys...
AMD, ACER F1
Gateway F1/F2
Toshiba hold escape key while powering up, then F1
DELL
f2 or f10 or del or escape get into the bios
f12 to see the "one time boot menu" - choose diagnostics
boot-up and repeatedly press Ctrl-Alt-D
Press and hold the
key, and then press the power button to power the system on. Release both buttons. The PSA diagnostics sequence begins.
Dell portable computers now have the Drive Self Test (DST) included in the BIOS as part of the Preboot System Assessment (PSA) diagnostic suite.
1000-0141
or
2000-0141 No Drive Detected
1000-0142
or
2000-0142 Drive Self Test Failed Status Byte=XXh
1000-0143
or
2000-0143 Drive Smart Read Command Failed
1000-0144
or
2000-0144 No Support for Drive Self Test
Error Code Error Message
1000-0145
or
2000-0145 Timeout waiting for Drive Self Test to complete
1000-0146
or
2000-0146 DST Log contains previous error(s)
1000-0147
or
2000-0147 Unit (x): IDE status failed. Status byte = (x) Control Code = (x) Msg = (s)
1000-0148
or
2000-0148 IDE ERROR: status (x) (s)