It is not supporting your BIOS version.
2) You receive an “erase chip failure” when trying to run a flash loader.
Write protect change to “disable” in integrated peripheral.
3) After installing new BIOS, the system now asks for a password.
Clear the CMOS by jumpers and try again.
4) The PC doesn’t boot after upgrading the BIOS.
That BIOS version is not supporting your hardware.
5) The drive has trouble accepting or rejecting a CD/DVD.
Check the mechanism of that CD/DVD drive.
6) Disk cannot be read.
Motor problem, lens problem, and check out all the devices in that drive.
7) The disk does not turn.
Spindle motor problem, so check its mechanism and replace if necessary.
8) The optical head cannot focus its laser beam.
Checkout cable connection, increase laser beam intensity, clean lens surface using propyl alchohol.
9) The computer locks up while reading a CD/DVD.
CD/DVD problem, laser beam intensity problem and cable connection.
10) You cannot access a CD-ROM drive under windows 9x/Me.
Try uninstalling the drive and reinstalling it.
11) The drive will not read a CD properly.
CD problem, lens intensity problem.
12) You cannot “see” a second session reading a CD-RW disc from a
CD-ROM drive.
Check drive compatibility, disk information.
13) You receive a “Buffer Underrun” error when you are writing in
CD-R mode.
Increase buffer size.
14) The CD-RW doesn’t show up in My computer or Windows explorer.
Check up installation, try to uninstall and reinstall it again.
15) You receive an error message while double clicking on CD-RW drive.
General checkup for the drive.
16) You receive an “invalid media” error when trying to boot from the
CD-RW.
That is not a bootable disk.
17) You cannot copy directly from a CD-ROM drive to the CD-RW drive.
DMA, cables.
18) Changes to CMOS are not saved after rebooting the PC.
Battery problem, jumper settings.
19) Some drives are not detected during booting.
Cables, power connectors, jumpers, check out hardware.
20) The system boots from the hard drive even though there is a bootable floppy disk in the drive.
Check out setup BIOS and set first boot device to floppy.
21) Power management features are not available.
Check in BIOS setup.
22) PnP support is not available, or PnP devices don’t function properly.
Your BIOS doesn’t support PnP feature.
23) COM ports do not work.
Check IRQ, port, check in BIOS setup whether the device is enabled or disabled.
24)The RTC doesn’t keep proper time over a month.
CMOS battery problem.
25)The RTC doesn’t keep time while system power is off.
Battery problem, so better to insert new battery.
26)You encounter “CMOS checksum” error after updating flash BIOS.
27) You get a beep code or I/O POST code indicating a possible CPU fault.
Jumpers, CPU clock setup in CMOS settings.
28) The system boots with no problem, but crashes or freezes when certain applications are run.
RAM mismatches speed.
29) The system boots with no problem, but crashes or freezes after several minutes of operation.
RAM problem, fan settings, due to bad hardware.
30) The CPU refuses to boot after a drive adapter is installed.
Insertion problem.
31) The fan is producing an unusual amount of noise, but it seems to be working properly.
Check out whether the fan is inserted correctly or not and also check its surroundings.
32) The fan has stopped running.
Check fan connections.
33) The CPU freezes intermittently.
RAM, cable, general checkup.
34) You are experiencing frequent CPU failures.
Check SMPS, fan, RAM, SMPS cable to motherboard.
35) You are experiencing frequent drive failures.
Check SMPS connection for HDD.
36) The floppy drive is completely dead.
Change the floppy drive and check.
37) The floppy drive rotates a disk but, but will not seek to the desired location or track.
Stepper motor problem, general checkup.
38) The drive will not read from/write to the disk.
Read/write head problem, clean head.
39) The A: drive appears in My Computer even though no drive is installed.
BIOS settings either enabled or disabled.
40) When copying large files, the copy problem is eventually interrupted with a “blue screen” error.
RAM problem.
41) The hard drive is completely dead.
Logic board, cable, power supply.
42) You see drive activity, but the computer will not boot from the hard drive.
Cable problem, bad sectors on tracks so try chkdsk and scandisk.
43) Your IDE drive spins up when power is applied, then rapidly spins down again.
Required wattage is not available from SMPS.
44) You see an “Error reading from C:” error message.
File system or file allocation table (FAT) error so better to format, O.S not loaded properly so try to repair.
45) You see “track 0 not found” error message.
Fix MBR, Fdisk, repartition the disk.
46) You see a “Hard drive controller failure” or a large number of defects in last logical partition.
Bad sectors, scandisk, zerofill if it’s a worst case scenario.
47) You see “Disk Boot Failure”, “non-system disk”, or “No ROM Basic- SYSTEM HALTED” error message.
General checkup, cable connections, bad sectors, insert bootable disk and change boot priority.
48) The drive will not as primary device, but not as a secondary (or vice versa).
BIOS setup enable/disable.
49) When booting from a floppy disk, you cannot access your FAT32 hard drive partition(s).
The O.S in floppy in not supported by FAT32.
50) You see an “Invalid Media” error message when formatting a FAT32 partition.
Cable problem, media problem or the utility doesn’t support FAT32.
51) Opening a folder seems to take a very long time.
Virus, bad sectors, virtual and cache memory.
52) You find two keyboards listed in the Windows Device Manager.
When USB keyboard is connected it will show PS/2 also connected.
53) Your laptop doesn’t detect a PS/2 keyboard.
IRQ settings.
54) You see a “ROM error” message displayed on the monitor.
Clear CMOS memory.
55) You are encountering a memory error with HIMEM.SYS under DOS.
Copy HIMEM.SYS from boot CD using command “extract” in base folder.
56) You see a memory error such as “Unable to control A20 line” (PII/PI).
Set the A20 line in slow in BIOS setup.
57) The mouse pointer moves very vertically.
Horizontal rollers not working, windows of rollers, sensors.
58) The new serial mouse is not detected by windows.
IRQ, BIOS settings Disabled/enabled, pins, port header, and mouse is not working.
59) USB pointing device do not work in safe mode.
While in safe mode we will not get any other external devices.
60) The serial mouse is not listed in the Device Manager under windows Me.
Normal check, enable BIOS settings.
61) The mouse pointer moves erratically when pointer speed is set high.
Setting to changes in device manager.
62) Your modem diagnostics feature cannot access the modem under Windows98.
Check out the normal settings if not it was damaged.
63) Your modem properties are not available through the modems icon in your control panel.
Modem is not detected, try scanning for new hardware.
64) The modem is connected and turned on, but there is no response from the modem.
Serial port, cable (or) problem with modem.
65) The modem will not pick up the phone line.
Busy, it’s already in use.
66) The image is saturated with red or appears greenish-blue (cyan).
Cable problem, port, and settings in monitor color.
67) You see a “Invalid BOOT.INI file
Booting from c:\windows” error message during booting.
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